OpenTechnical

OT-2026-000097516

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000097516) never changes.

Identity and time

Publication numberOT-2026-000097516 · never reused
Internal UUID01a0aea1-55b4-7a9b-b159-65ea5d7ac3f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097516
StatusPUBLIC

Content hashes

Canonical text878d62abaafeac49bb7d2cb6a45911d926266d16fb8b2d1d35ce5a54f86a70a3
Markdown891663dafef91f661f65da4a25bcaa57070b3380e3f00e69325865f24e506c8b
PDF
Publication page3b4055cd7c2abf5139a4385dd13db8a257377f73585281aabe6f45c713310ae0
Manifest793381423a8c68f5548f5342b727b4509d50e50043c84a7f727b8163b68fd9c2

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
Signature2jSD3Xzx/CeBZT11zYPVKALLEUXXm7GE+POXA5t05t1B3/vlLhBejYSxbLdD0IGOSlB3UejinVIw1x57AcKJAQ==
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

2026-09-17T09:33:23.571426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097516
observed 3b4055cd7c2abf5139a4385dd13db8a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.554289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097516/manifest.json
observed 793381423a8c68f5548f5342b727b450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.537836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097516/publication.md
observed 891663dafef91f661f65da4a25bcaa57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.520495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097516/publication.txt
observed 878d62abaafeac49bb7d2cb6a45911d9...
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.