OpenTechnical

OT-2026-000003348

Publication integrity record

Vacuum lifter

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-2026-000003348) never changes.

Identity and time

Publication numberOT-2026-000003348 · never reused
Internal UUID01a0a6b4-6af7-784a-ba4e-78e6a2151726 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:13:56.856163Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003348
StatusPUBLIC

Content hashes

Canonical textbada2295bfdf06c2fc048ec1d31b98e0a49b9a433ffa57c8c49cda25e08700b3
Markdown8495f61d55e97adadd25c4dc00fe7e114f0febb1f50d6566d6cf86fc31a3f701
PDF
Publication page12531e6f825ddd0be36ed5513e5b26016731e94067befb1661d68c7254086392
Manifesta447cd9e314cc907a72a00831c1a3a8b7e0b1496503f950532f38c9ac037c564

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
SignatureWpNTK7XvZNmfpjIrku4sFKunL5Z26ntbfUK1Kf3TdIVjCRkZt0eAmdPSaS55JxfW097GErofRixjvzsjhEgOAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:27:02Z
batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof
root 0d980c01ea01b2d7f69845e24a85320c...

Independent retrieval

2026-09-20T04:23:30.803883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003348
observed 12531e6f825ddd0be36ed5513e5b2601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-20T04:23:30.789882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003348/manifest.json
observed a447cd9e314cc907a72a00831c1a3a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-20T04:23:30.774423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003348/publication.md
observed 8495f61d55e97adadd25c4dc00fe7e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-20T04:23:30.659107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003348/publication.txt
observed bada2295bfdf06c2fc048ec1d31b98e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T20:20:06.832582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003348
observed 12531e6f825ddd0be36ed5513e5b2601...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:06.804717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003348/manifest.json
observed a447cd9e314cc907a72a00831c1a3a8b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:06.670871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003348/publication.txt
observed bada2295bfdf06c2fc048ec1d31b98e0...
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