OpenTechnical

OT-2026-000064037

Publication integrity record

Single cup vacuum gripper, common isolation valve, single 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-2026-000064037) never changes.

Identity and time

Publication numberOT-2026-000064037 · never reused
Internal UUID01a0ae8d-53bd-72cc-a3fc-6ba717b60e38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064037
StatusPUBLIC

Content hashes

Canonical text69ac6ca9e21ff407362b56b161f9b0e082a696b0e26483cfd147a1a6fd83f8fa
Markdownd45c5df2cbc3f6cd67ab5c1298897c866bee3cebd2b7ef02f1c8b45d20b7531d
PDF
Publication pagef78560be20635919aa562c4dd296e07e632c1443a5d97be2e815e86776b46129
Manifestcc828f5d913c1ad399e4be92b6440b7047b5280882689170eed0e99c5efabaad

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
SignatureWS2UwzDEyF5vhRnJmYHsJGesoCYeGBpkRD7CMy36fYw61zEOe+2upUPId7E2PSPOs7aC3RxhF4qsz94FAA05AA==
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

2026-09-17T10:37:07.516376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064037
observed f78560be20635919aa562c4dd296e07e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:07.497616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064037/manifest.json
observed cc828f5d913c1ad399e4be92b6440b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:07.476393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064037/publication.md
observed d45c5df2cbc3f6cd67ab5c1298897c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:07.456088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064037/publication.txt
observed 69ac6ca9e21ff407362b56b161f9b0e0...
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.