OpenTechnical

OT-2026-000050866

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000050866) never changes.

Identity and time

Publication numberOT-2026-000050866 · never reused
Internal UUID01a0ae82-c7b2-7b92-b5d7-90d044d087ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050866
StatusPUBLIC

Content hashes

Canonical text00c2d952d813351d91ad3819a63f3ee27dbade4c6e3fcd92f1d8a0d4be06579b
Markdowna546894325e5df1c981f36af7f9d3eaa853a5a55b239326730446090215a72a6
PDF
Publication page8a1c3780f513f99c63b9ec77adc2b2bc1b1176faf0bb32e88cd7bf1eedc324a0
Manifest4084d001ffca62e6efa9f35064c98800decb101b494292480f446b84aca2e31b

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
SignatureotqP66e6DjQBqxHffaWap1HWaSC4cwafRjgspCf2POiI/Ca/pPeL6C/KUhalb5T77kXPJX2e+fG6/BnNAhS4AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:35.155517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050866
observed 8a1c3780f513f99c63b9ec77adc2b2bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.134706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050866
observed 8a1c3780f513f99c63b9ec77adc2b2bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.128685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050866/manifest.json
observed 4084d001ffca62e6efa9f35064c98800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.113007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050866/manifest.json
observed 4084d001ffca62e6efa9f35064c98800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.107337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050866/publication.md
observed a546894325e5df1c981f36af7f9d3eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.084019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050866/publication.txt
observed 00c2d952d813351d91ad3819a63f3ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.083180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050866/publication.md
observed a546894325e5df1c981f36af7f9d3eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.054286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050866/publication.txt
observed 00c2d952d813351d91ad3819a63f3ee2...
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.