OpenTechnical

OT-2026-000067311

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000067311) never changes.

Identity and time

Publication numberOT-2026-000067311 · never reused
Internal UUID01a0ae8f-6bd6-746c-b5e8-61d9c3aa9526 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067311
StatusPUBLIC

Content hashes

Canonical texte3f39c8fb3d094afba08f8a08c6a8841e7c2d69495f9c8d4b62a1b7bd21612f5
Markdown0e039fec4a724f0e1131da980908ca47d3f9d4fc7da80fe2e5f0ba34c8cdbd1f
PDF
Publication page91ee1952977a5b9a6967bc008290a9ab8e4a16335b6e23af1ec6fbfaff9f9b73
Manifest9e052a67b9e924dc2aa79be7dd752033b2e050907642a71f5c26bc859319ec7b

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
Signature/tS4OBUvlLcUcycVH+DrolRTgysB198YxM2yK0d7pqbA7UGILqNLx3jRv3idHfRGLEeN068B6P190MjEKSfOAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-10-02T20:41:11.555853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067311
observed 91ee1952977a5b9a6967bc008290a9ab...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T20:41:11.489279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067311/manifest.json
observed 9e052a67b9e924dc2aa79be7dd752033...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T20:41:11.417381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067311/publication.md
observed 0e039fec4a724f0e1131da980908ca47...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T20:41:11.258815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067311/publication.txt
observed e3f39c8fb3d094afba08f8a08c6a8841...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.997359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067311
observed 91ee1952977a5b9a6967bc008290a9ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.979650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067311/manifest.json
observed 9e052a67b9e924dc2aa79be7dd752033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.961031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067311/publication.md
observed 0e039fec4a724f0e1131da980908ca47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.943584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067311/publication.txt
observed e3f39c8fb3d094afba08f8a08c6a8841...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent