OpenTechnical

OT-2026-000025094

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000025094) never changes.

Identity and time

Publication numberOT-2026-000025094 · never reused
Internal UUID01a0ae71-2729-717b-903d-51746e451a50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025094
StatusPUBLIC

Content hashes

Canonical text922a52786591d33e2c40a0ea16b40be5a1167e510bbd7c344e73dc6fa1718fa5
Markdown3cbd55ec4447032f5f6f66fe9506c317d92d1af746df38cd2ef5e446c5c0a11f
PDF
Publication pagec90bfe896160b56adef63b8f4e1cb8b08375bd447011ffbc2597c7d4f59f56dc
Manifest6a3a9aeef0530b1113b5620367c444ffe4ae9693965fcaa0ebc4f757cfcd7d3f

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
Signature28f6CMrbaNrEMjCHhwA2lA9J++d2SkK7MdJczP4FMtEVM51ETxeYuq52ne1DSDhh5uItvzXcyQmfkW9vmOQTAw==
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

2026-09-17T11:48:30.835150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025094
observed c90bfe896160b56adef63b8f4e1cb8b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.818519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025094/manifest.json
observed 6a3a9aeef0530b1113b5620367c444ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.801606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025094/publication.md
observed 3cbd55ec4447032f5f6f66fe9506c317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.785231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025094/publication.txt
observed 922a52786591d33e2c40a0ea16b40be5...
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.