OpenTechnical

OT-2026-000022494

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down, on a tool changer

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-2026-000022494) never changes.

Identity and time

Publication numberOT-2026-000022494 · never reused
Internal UUID01a0ae6f-f4fe-75bf-beb5-c27a84549341 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022494
StatusPUBLIC

Content hashes

Canonical textf0b8cc4b19c66e224989fe274fb700055d541ed72fad559a27b1297d821b19c4
Markdown6cb9218cf380fb144e6a5b06ffb78916bf3908446e2babc366b4eafeaa6e134d
PDF
Publication page9f52782c56e9df2fa061fef37ada06f34c93bb08b7cb808633d1e05b14f18d86
Manifest0185de476537e4e09205943de3cd80d0bfac3b41b3413259e9dfbf2dd4ec84ad

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
SignaturepmX8jzLz2NPowjlZNxF+IcckmPFi/bi96ONRCeVafVytFYHvmILCdpOUJuZdlEfrAgGZLP36X6a4EWomC2NvBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:54.982620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022494
observed 9f52782c56e9df2fa061fef37ada06f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:54.964225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022494/manifest.json
observed 0185de476537e4e09205943de3cd80d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:54.940811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022494/publication.md
observed 6cb9218cf380fb144e6a5b06ffb78916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:54.922341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022494/publication.txt
observed f0b8cc4b19c66e224989fe274fb70005...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.