OpenTechnical

OT-2026-000097054

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, 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-2026-000097054) never changes.

Identity and time

Publication numberOT-2026-000097054 · never reused
Internal UUID01a0aea1-01c9-72b5-ad6c-1c415321dcb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097054
StatusPUBLIC

Content hashes

Canonical text59fe67ab66d07bab69dc5748bb47f394c33e7faef47e5234dc34084898c29434
Markdownbf557105b5c9f1df8cec3b1ed89c7bb084bacd4d2daf5e335bb8e31a8482e76e
PDF
Publication page77606753aec8651a356338dc99128e79bd34537305a52f33865d0268e439d586
Manifest62f303b962dd86b4d3bc72a0369e1f926889fbc6af7728238540f340fcea9bbf

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
SignatureiUrOGKXVdkCwnB5MuNgKlgicAXkKnLneZKYy6J7oRgE72PmeJCKo4HZJBpVfbGVnIv37NfEn7Rek+fi/6J/4Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:36.386802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097054
observed 77606753aec8651a356338dc99128e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:36.368533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097054/manifest.json
observed 62f303b962dd86b4d3bc72a0369e1f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:36.350094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097054/publication.md
observed bf557105b5c9f1df8cec3b1ed89c7bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:36.205408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097054/publication.txt
observed 59fe67ab66d07bab69dc5748bb47f394...
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.