OpenTechnical

OT-2026-000097612

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000097612) never changes.

Identity and time

Publication numberOT-2026-000097612 · never reused
Internal UUID01a0aea1-92f2-71e5-a2e8-abd21fc17559 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097612
StatusPUBLIC

Content hashes

Canonical text5a7d7a5d3ef130a9d5d97040ca929cab604fbbce59d97f6cd9603da53ceb68ee
Markdownb0ac03195b9994ab5315660cfd85eea939d5a9d6654b9cda65cfb6ab6961d2c6
PDF
Publication pagec7ad1b88b9c9fca9bc3c3e3eb3c51ce9af0f6127d20081ca865e2701f868c5c8
Manifest868f8beae8530bdedbbcf424748ef8be3311caf75f7543ab1680ccbc44869f5e

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
SignatureXcJ/QVoqvJnQvx6xm+hbnPcHhMCGu7VIDPUF5kEZ4g5WHqt2WrcdafbU5OmowzjnUgvEkWE4jwGfIwKO4G3UCQ==
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

2026-09-17T09:32:26.768408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097612
observed c7ad1b88b9c9fca9bc3c3e3eb3c51ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:26.751178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097612/manifest.json
observed 868f8beae8530bdedbbcf424748ef8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:26.734144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097612/publication.md
observed b0ac03195b9994ab5315660cfd85eea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:26.716761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097612/publication.txt
observed 5a7d7a5d3ef130a9d5d97040ca929cab...
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.