OpenTechnical

OT-2026-000079636

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented after 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-2026-000079636) never changes.

Identity and time

Publication numberOT-2026-000079636 · never reused
Internal UUID01a0ae96-0b92-77af-8b50-9064d446e097 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079636
StatusPUBLIC

Content hashes

Canonical textfaba66654250604ce24c84c0c504f4cfc302d0be2cc34d0f5ecf79f9299a8258
Markdown963259c8badd990cc817c226bd468b87ce4c7fc01945abc7aaf913d06368949b
PDF
Publication pagec7e9117ce2f9babcc523efe6ca1afe0e8da743266ba3430cb9b8d7d418c12ab7
Manifest03b899b2b7ecb799a066b39bf674a3dc4d6271bcfc3dafbacd847529bb72089f

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
Signature3Vw7D9cb2jv+vX579K9w++UvvAN+hUbnI7Q4YRWtI2XvzwHaOTVSHlwFND+brLIYmNfxHSzQ5WOGoiMT+gevDQ==
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

2026-09-17T10:05:18.280739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079636
observed c7e9117ce2f9babcc523efe6ca1afe0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.263611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079636/manifest.json
observed 03b899b2b7ecb799a066b39bf674a3dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.245017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079636/publication.md
observed 963259c8badd990cc817c226bd468b87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.229135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079636/publication.txt
observed faba66654250604ce24c84c0c504f4cf...
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.