OpenTechnical

OT-2026-000095517

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000095517) never changes.

Identity and time

Publication numberOT-2026-000095517 · never reused
Internal UUID01a0ae9f-8f74-79ec-9ab3-19f891a2a317 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095517
StatusPUBLIC

Content hashes

Canonical text4273abfd0e53c8bd6584cb5ebfb2da5988bb01a2f342cdfff575af864961df53
Markdown602e709357fd380be1b963214d6151159093d518db835a9363ae9999ff028a8d
PDF
Publication page4dc53c8320d8f7e350c72823eb24c3acdf6d541900c97564fb56cdffd7474b1c
Manifestd6287ff025036ddcd3fb2b7426eb09d70830bde5b238bf29fca0d8567d62bdc7

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
SignatureZHfUrdijPsX/dywqJugddL4Ut/+Pyy6yz18Jv07WiKW12Xykjhjox+Oc2oCzVadyZM9ARMrrKTc616PufFRHCg==
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

2026-09-17T09:36:55.544654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095517
observed 4dc53c8320d8f7e350c72823eb24c3ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.529732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095517/manifest.json
observed d6287ff025036ddcd3fb2b7426eb09d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.514516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095517/publication.md
observed 602e709357fd380be1b963214d615115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.498746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095517/publication.txt
observed 4273abfd0e53c8bd6584cb5ebfb2da59...
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.