Cross-Referential Authentication

Cross-Referential Authentication is the procedure by which a holding's cross-references are verified as belonging to that holding, rather than having accrued to it through adjacency, transcription error, or the slow migrations of Referential Sprawl. It is distinct from Cross-Referential Anchoring, which stabilizes references already judged genuine, and from Referential Fumigation, which disperses those judged to be neither genuine nor worth severing cleanly. Authentication sits between the two: it is the finding of fact on which both later procedures depend.

The practice is governed by Concordance 14, though the operative definitions are found in Concordance 22, which the Librarians have never reconciled with the earlier instrument. Disputes over which Concordance governs are ordinarily settled by citing whichever is nearer to hand.

Procedure

Authentication proceeds by the tracing of a reference back to the entry that first raised it, a route recorded in the Provenance Register and, where the route is broken, in the Register of Interrupted Provenance. An authenticating clerk compares the reference under examination against the entry of origin and enters one of three findings: confirmed, disputed, or provisionally ancestral. The third finding exists because a reference may descend from an entry that has itself since been reclassified, and no procedure yet devised can authenticate against an entry that no longer holds the position it held.

Findings are entered in triplicate on Form CR-3 'Certificate of Referential Provenance', one copy of which remains with the clerk. The remaining copies are dispatched to the Bureau of Referential Integrity and to the floor of origin, where they are filed whether or not that floor still exists. Certificates dispatched to dissolved floors are retained in the Unclaimed Certificates Hold, Floor 1,208, which has no staffing and no published hours.

"No reference shall be confirmed which cannot name its ancestor. Where the ancestor is unnamed, the reference shall be held in suspension, and the holding shall not be moved, recopied, or lent."

— Concordance 22, Annex 3, clause 6

History of the office

Authentication was for two centuries a duty of the Department of Categorization & Cross-Referencing, performed by clerks of the Second Scriptorium in rotation. The arrangement broke down in the winter of 4,110, when a clerk named Osia Fern authenticated a reference descending from an entry that had been moved three floors during her own absence and returned under a different name. Fern's certificate was correct at the hour of issue and false by the hour of filing. The resulting reprimand, recorded in Ledger of Minor Reprimands, Vol. XLI, was later struck from the ledger on a technicality, but the practice was not restored to the Scriptorium; authentication passed to the Bureau of Referential Integrity under the Cross-Referential Mandate, where it has remained. Fern's own account of the affair, appended to her Statement of Circumstance, is the most complete record of the winter's proceedings and is not admitted as evidence in authentication disputes.

Disputed doctrine

The principal scholarly contention concerns the status of the finding provisionally ancestral. Concordance 14 recognizes only two findings and is silent on the third, while Concordance 22 treats the third as the ordinary case. The Office of Concordance Revision has declined four times to issue a consolidating recension, noting in its Fourth Refusal that "the Concordances are not in disagreement; they are in sequence, and the sequence is unpublished."

A minority position, advanced by the Readers' College and never formally adopted, holds that a reference requires no authentication at all beyond the fact that a reader has followed it. This position is not refuted in writing. It is, however, not acted upon.

Interaction with audits and alignment

Authentication findings are the ordinary input to a Cross-Referential Audit, which cannot commence until every reference under examination has a certificate attached. Certificates marked disputed are held over to Day 4-5, where they are authenticated again by hand under Form OV-7 'Writ of Referential Scrutiny'. Where repeated authentication returns conflicting findings across successive Days 4-5, the reference is entered in the Cross Referential Echoes schedule and may subsequently be severed under Referential Severance. Cases in which authentication and severance disagree about whether a reference ever existed are recorded as C.7: Cross-Referential Inconsistency and referred back to the Department.

Known failure: the Floor 3,046 affair

In the summer of 4,388, authenticating clerks on Floor 3,046 confirmed a body of references tracing to an entry held on Floor 955. Floor 955 was at that time closed for recataloguing and had been since 4,301. The certificates were nonetheless issued, filed, and accepted, and the references remained confirmed until a reader attempted to follow one and arrived at a wall. The subsequent inquiry, published as the Report on the Floor 3,046 Certificates, found that the clerks had authenticated against the Floor 955 entry as it appeared in the Master Cross-Reference Ledger, which had not been amended to record the closure. The Report recommended that authentication be performed against the floor itself and not against the Ledger. The recommendation was adopted in 4,392 and reversed in 4,394, the Ledger having proved more reliable than the floors.

No certificate issued during the affair has been withdrawn. Clerks are instructed to note their continued validity when passing the wall.

See also

• Principle of Referential Integrity
• Cross-Reference Review
• Cross-Reference Echo