OpenTechnical

OT-2026-000002529

Publication integrity record

Extendable and Retractable Conveyor

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000002529) never changes.

Identity and time

Publication numberOT-2026-000002529 · never reused
Internal UUID01a0a67d-3943-7a15-972a-419aad531247 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:39.652066Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002529
StatusPUBLIC

Content hashes

Canonical text3e35fdf28d9bb57c36a95330f0a5beef53bc6dc0d7fe411d77cd923e4566e6a1
Markdownf54907d4a37b080937a229963bdd9eb4bfd59e0529c0065ba1451b3b5a7c8208
PDF
Publication page308fd11912897094e24d09f71c2a23ee7edd12e8e782e19c100e6ac3734c8c65
Manifest4158eb48480ac8aa96adbbd8c58158ebe465026086ba13be9a7e3501eb105780

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturel+1AXuECck7trIWagkd7vcq1kbJg9le4NhSolWUlAFw1cnyVF0NxP/yJNYElews13D7p4zHGbFwt0tyYM1AgCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-15T19:30:36.690704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002529
observed 308fd11912897094e24d09f71c2a23ee...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:36.662836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002529/manifest.json
observed 4158eb48480ac8aa96adbbd8c58158eb...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:36.648407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002529/publication.txt
observed 3e35fdf28d9bb57c36a95330f0a5beef...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent