OpenTechnical

OT-2026-000050897

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000050897) never changes.

Identity and time

Publication numberOT-2026-000050897 · never reused
Internal UUID01a0ae82-c7b3-7fe3-8991-c6c1db40e62f · 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-2026-000050897
StatusPUBLIC

Content hashes

Canonical text75577ad3837d6f81fde626d095c6db9f21f0250c44ff594c8627409f81e2da8f
Markdown68989c95b15cf4ac7bf0e278e8b051c9920d65a4c14094b971c0a6187a60ae0e
PDF
Publication pageba1b4615dccb642fa5ace0c41be54140b45ea78026ceb8aa921158c0bd256553
Manifest687169bccd6c7b8dcfffa7cd69cbba5c5a5ddd4d5b6ac87e57e7b51552260d21

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
SignatureWASGwWIoOA9JzUrEXl0dYFwFBKq4KImMvKCy+6DlA2yZ/8SsnMHV+hzTFBKfmPEiudako4VA4jdM7XAGL5ueCg==
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

2026-09-17T11:00:38.417227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050897
observed ba1b4615dccb642fa5ace0c41be54140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.396996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050897/manifest.json
observed 687169bccd6c7b8dcfffa7cd69cbba5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.377680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050897/publication.md
observed 68989c95b15cf4ac7bf0e278e8b051c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.367694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050897
observed ba1b4615dccb642fa5ace0c41be54140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.361121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050897/publication.txt
observed 75577ad3837d6f81fde626d095c6db9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.347664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050897/manifest.json
observed 687169bccd6c7b8dcfffa7cd69cbba5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.294581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050897/publication.md
observed 68989c95b15cf4ac7bf0e278e8b051c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.258518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050897/publication.txt
observed 75577ad3837d6f81fde626d095c6db9f...
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.