OpenTechnical

OT-2026-000077092

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000077092) never changes.

Identity and time

Publication numberOT-2026-000077092 · never reused
Internal UUID01a0ae94-f507-799f-8a43-dae73ccc9963 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077092
StatusPUBLIC

Content hashes

Canonical text935da953ac687c919463bd4990996bb25280636875d68f3b4be2c8c919388820
Markdowneecacc72f5a618c7e7278e787913857ffd4f39eb6fc81b3a551604b614cad6b2
PDF
Publication page8f9e63b27f0951268265f75624dc5ded7e7f25153cffe8fa8d3036ab987e7320
Manifest7295d0203e95281920b42a02b5c7af75fc6df29586f5e3412ac91cceb2be5604

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
SignatureBVfFKBc1i9P9zfgCZuAL7F/JYczbK1pBYBmgXaACcrjllAsUuwH8EM5rMG9RWOypQJ1WQ3EkqrjkkW/9wvbBAg==
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

2026-09-17T10:11:30.772546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077092
observed 8f9e63b27f0951268265f75624dc5ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:30.755827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077092/manifest.json
observed 7295d0203e95281920b42a02b5c7af75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:30.739249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077092/publication.md
observed eecacc72f5a618c7e7278e787913857f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:30.721027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077092/publication.txt
observed 935da953ac687c919463bd4990996bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.124532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077092
observed 8f9e63b27f0951268265f75624dc5ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.107196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077092/manifest.json
observed 7295d0203e95281920b42a02b5c7af75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.086940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077092/publication.md
observed eecacc72f5a618c7e7278e787913857f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.069020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077092/publication.txt
observed 935da953ac687c919463bd4990996bb2...
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.