Sigh of Closed Systems

The Sigh of Closed Systems is the collective designation for twenty-three matched volumes held in the Reliquary Annexe of Spiral Staircase Omega, together with the procedural apparatus that governs their consultation, correction, and — in the view of some recensions — their eventual exhaustion. The volumes are not a treatise on sighing; they are the record of a single sigh, distributed across a closed corpus in such a way that no one volume can be read to completion without the reader's own breathing being entered into the ledger. The Sigh-Moss Cultivation Board has cited the work as the sole documentary authority for the activation of its principal cultures, a distinction the Board has never fully enjoyed.

Composition and the Seventeenth Sigh

The original master copy was bound on the ninth landing of Spiral Staircase Omega in the winter of the year recorded only as 7/441, before witnesses whose number is disputed but whose names are not. Seven members of the Social of the Seventeenth Sigh attended the binding; all seven later deposed that the closed volume emitted an audible sigh. The depositions disagree on its duration — five seconds, seven, or "longer than the binding itself, which took an hour" — but agree that it was not attributable to any witness present.

What followed was twenty-three volumes of recension, collation, and commentary, produced over eleven years by a rotating staff of Transcendentalist archivists under the general direction of Master Index (person). The Transcendentalist method, as practiced in the Annexe, holds that a document may be expanded indefinitely provided the expansion remains within the closed system of the original. Accordingly the twenty-three volumes contain no new information. They contain the same information, increasingly well organised.

"The integrity of a system is not defined by its final state but by the momentum of its suspended processes. A volume that has been brought to completion has, in the strict sense, failed."

— The Sigh of Closed Systems, Vol. I, Axiom 2

Procedural exhaustion and torsional fatigue

Protracted processing of the corpus produces what the founding treatise calls torsional fatigue in the archival media — a measurable warping of the quires, most pronounced in Vol. XIV, which has been rebound four times and once, briefly, mistaken for a fan. The fatigue is not considered damage. Under the doctrine of Principle of the Closed Loop, it is the medium's correct response to sustained attention, and volumes exhibiting it are catalogued as responsive.

Fatigue in the reader is governed separately. Readers who have processed a sufficient number of volumes enter procedural exhaustion, the threshold condition required for Sigh-Moss activation, and are thenceforward accompanied by an attendant from the Board who logs their respiration in the margin. Three readers have requested reassignment to other staircases; the requests were granted, and the attendants followed them.

The Error Protocol

Corrections to the corpus are governed by the procedural framework for Sigh Filed in Error, which requires that any sigh entered into the record in the wrong place be struck, annotated, and re-entered in the correct place without alteration of the original sigh. The practical difficulty is that sighs are not readily locatable. A filing error discovered in 7/458 concerned a sigh attributed to Vol. XIX which proved on examination to have been the sigh of the clerk copying Vol. XIX, a distinction the protocol had not anticipated and has since been amended twice to accommodate.

The amendment of 7/463 introduced the category of aperture sighing, for sighs occurring at the seam between two closed volumes, which belong to neither and must be recorded in both. The amendment of 7/464 abolished the category, and the amendment of 7/466 restored it with a note reading, in its entirety, "Restored." The matter is regarded as settled.

Jurisdictional dispute

Authority over the corpus is contested between the Reliquary Annexe and the Guild of Metallic Maintainers, the latter on the grounds that Vols. XI through XXIII are chained, and that chaining is maintenance. The Annexe holds that chaining is custody, and has cited Third Concordance for the proposition that custody of a closed system inheres in the office that closes it. The Guild has replied with the Ninth Concordance, Annex 6, which provides that any object requiring a key is the Guild's, and has not been pressed further.

Both offices observe the standing rule that no volume may be opened on a landing where the wind is audible from the stairwell. The rule was introduced after Vol. VII was read aloud in a draught and could not afterwards be closed to the satisfaction of the bindery. Readers requiring the use of a landing during audible wind should apply to the Annexe, which will advise.

Related holdings and dissenting views

The corpus is routinely confused with the later and shorter Sigh of the Closed Book, which records a single volume sighing once and contains no recensions. It is also distinguished, by ruling of the Librarians in 7/471, from the Fading Sigh of Clerk Theobold, which is a private matter and not a closed system at all.

Dissenting scholarship, chiefly associated with readers of the Sigh of Archivist Kappa, maintains that the twenty-three volumes do not record a sigh but constitute one, and that the distinction between the sigh and its documentation is a convenience of the bindery. This view has never been refuted and has never been adopted. The array of related phenomena — including the Sigh of the Drowned City, the Sigh That Curdled, and the elaborate case of Case Gamma-7/889 ("The Impermissible Sigh") — is catalogued under separate cover, at a distance from the Annexe that the Librarians have declined to explain.

Inventory of physical extent

The corpus as presently held comprises the following, and nothing else:

• Twenty-three bound volumes, quires numbered in sequence, pagination continuous.
• One master copy, unbound, sealed, not to be opened for any purpose.
• Fourteen respiratory logs, three of them illegible.
• One key, held by the Guild.

The postern at the north end of the Annexe is locked at the close of the reading day. Readers are reminded that the sigh is to be left in the room.