OpenTechnical

OT-2026-000083631

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000083631) never changes.

Identity and time

Publication numberOT-2026-000083631 · never reused
Internal UUID01a0ae98-0416-79c8-9b80-cb7ca959d70f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083631
StatusPUBLIC

Content hashes

Canonical text9e7770444cf228fe077028f91e7dff9d460dd063a4b24bc501ecdf39c74a0a86
Markdown971afe02b13a9c0bf46f1565f613f4d6f1f2f6875dec03d4cd019bce2f5f65a1
PDF
Publication page1c2e55a4d0a4822426f60476b98264306a0947081b03a42883667704db681b85
Manifestddb9cbf4acbfa619d9c51287889243527e8d398f494612600ba0a558692ba5a8

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
Signatureabx1Hj4903jeNEsDut8diuYo99GcO5vL2eBNZIbVi5wWJoNMGtzF4EfKq53LI82QQAPQ4snyaXd1TeNSiv4XDQ==
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

2026-09-17T09:57:14.596026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083631
observed 1c2e55a4d0a4822426f60476b9826430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:14.578462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083631/manifest.json
observed ddb9cbf4acbfa619d9c5128788924352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:14.560451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083631/publication.md
observed 971afe02b13a9c0bf46f1565f613f4d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:14.541589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083631/publication.txt
observed 9e7770444cf228fe077028f91e7dff9d...
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.