OpenTechnical

OT-2026-000016987

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000016987) never changes.

Identity and time

Publication numberOT-2026-000016987 · never reused
Internal UUID01a0ae6e-591a-7232-9eb6-8e763433d7f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016987
StatusPUBLIC

Content hashes

Canonical text63d67b0f3b9f647e4d793dced8921b9667088b1efedb19893fb2442bf258ee7d
Markdown9744568ae49de49ed4b514a6af455d9830c2267a62d99e5acb45fdeeea815e56
PDF
Publication page813fccdf18486bd2f2e2f17e8968d756856a159c75acb03839bce461f02d4416
Manifest80d4801ce37654c5d8b0dca4b8b611038a779d6c1eb109bf435c414f9cb15e9a

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
SignatureciviotalPlhXsaboTqtfEoHm8ReSLZk1dC+rqXGl7zNFaRQ81i6YQ1s2UkT0Hd6KWfOg/l/Bdue1vuH1WeNsCQ==
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

2026-09-17T12:03:23.520388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016987
observed 813fccdf18486bd2f2e2f17e8968d756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.503650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016987/manifest.json
observed 80d4801ce37654c5d8b0dca4b8b61103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.485801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016987/publication.md
observed 9744568ae49de49ed4b514a6af455d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.468919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016987/publication.txt
observed 63d67b0f3b9f647e4d793dced8921b96...
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.