OpenTechnical

OT-2026-000002621

Publication integrity record

System and method for lubricating a 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-2026-000002621) never changes.

Identity and time

Publication numberOT-2026-000002621 · never reused
Internal UUID01a0a67d-c403-7aa3-92dd-374499886492 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:14:15.171775Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002621
StatusPUBLIC

Content hashes

Canonical text4d85a142d7f430f7a67b9bee4739549e0daabaddd4772f48b4d3522ad4a3ec72
Markdownb0a0bd8bc10286a6912f2a7451149ccf6b7afab26dd49a81a6315501d7519c71
PDF
Publication page92f8775289e7ede8a42e873ade1f51a6488a394ce45c3450d713c94b650e8cd4
Manifest16804c767ac23ab5ad308cc533b414b96490ca3400f3ed880d22dbb2fe900210

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
Signature5GH329Ix/Ezsngi5adttPXmjYlPh5aco9pcbOArWRvYuqmRgnP6+JA/G8CG+3jsvlMt3gQMfmTNzhNfHjSobCg==
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

2026-09-16T04:23:08.531313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002621
observed 92f8775289e7ede8a42e873ade1f51a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:08.513876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002621/manifest.json
observed 16804c767ac23ab5ad308cc533b414b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:08.498145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002621/publication.md
observed b0a0bd8bc10286a6912f2a7451149ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:08.482107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002621/publication.txt
observed 4d85a142d7f430f7a67b9bee4739549e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T19:30:24.195648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002621
observed 92f8775289e7ede8a42e873ade1f51a6...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:24.158552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002621/manifest.json
observed 16804c767ac23ab5ad308cc533b414b9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:24.144923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002621/publication.txt
observed 4d85a142d7f430f7a67b9bee4739549e...
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