OpenTechnical

OT-2026-000073326

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000073326) never changes.

Identity and time

Publication numberOT-2026-000073326 · never reused
Internal UUID01a0ae92-efb7-7a72-960e-1cbe503e878f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073326
StatusPUBLIC

Content hashes

Canonical textdf834b7cdb3c4213545fef46ead207fc87180d63342016017179c7c797c26e5d
Markdownc48b1c0492488468b545964e1a495a049c51e704138b2dfcb9430b171e0c4c68
PDF
Publication page791c89727a471637b67628909c58b9dc343ad1333dfc986913f7113e63943ab6
Manifestf58227dc8838b4cd75858104564d4cf48471eea241e83dba56dd8355750e4c50

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
SignatureJLdhco6tu+bJaGz395jafWhnspgcLOJjIYzpUu4RM8uGJXQb9Fw78Xt/Op9DMPvxH1pi2QPQirNBdbXfHBBSCQ==
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

2026-09-17T10:21:20.145890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073326
observed 791c89727a471637b67628909c58b9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.127987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073326/manifest.json
observed f58227dc8838b4cd75858104564d4cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.108688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073326/publication.md
observed c48b1c0492488468b545964e1a495a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.089561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073326/publication.txt
observed df834b7cdb3c4213545fef46ead207fc...
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.