OpenTechnical

OT-2026-000083305

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, 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-2026-000083305) never changes.

Identity and time

Publication numberOT-2026-000083305 · never reused
Internal UUID01a0ae97-c963-769d-b53f-43fe79623de5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083305
StatusPUBLIC

Content hashes

Canonical text382c30499cdf7f33a454307d70db4851844dc6d551b12249926743d418797911
Markdownbbbeb9b355a96cc3789db7364cf730cc85087e94cfc43f2be5019f29d3f0ea21
PDF
Publication page42686c77f637051e6730ebcb5475f521319f44d03249dfe10f1a3c35bd1890e4
Manifestcdb0c736b8814b4b44bcef127c770fbb08de06b017ceaa5724d565f8e1e6b1d9

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
Signature6OpY40E1IpCCMhHbiQrC/v+cmGxDc5oWf607Uz/SMLAp3dii4L0lFKT4qkBC6yVtajlN95wU51zxJ/vkY0MwCw==
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

2026-09-17T10:00:33.569604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083305
observed 42686c77f637051e6730ebcb5475f521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.552487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083305/manifest.json
observed cdb0c736b8814b4b44bcef127c770fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.533975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083305/publication.md
observed bbbeb9b355a96cc3789db7364cf730cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.515116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083305/publication.txt
observed 382c30499cdf7f33a454307d70db4851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.896195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083305
observed 42686c77f637051e6730ebcb5475f521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.880127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083305/manifest.json
observed cdb0c736b8814b4b44bcef127c770fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.865346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083305/publication.md
observed bbbeb9b355a96cc3789db7364cf730cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.849599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083305/publication.txt
observed 382c30499cdf7f33a454307d70db4851...
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.