OpenTechnical

OT-2026-000015310

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000015310) never changes.

Identity and time

Publication numberOT-2026-000015310 · never reused
Internal UUID01a0ae6d-ef49-75cd-98c6-16b5b5b30207 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015310
StatusPUBLIC

Content hashes

Canonical texta865c4f2d731b564d0225fe000f1d0d2fdb50907aebc9f1c8d58ce8363d7b915
Markdownbd2cb918829582f890245964688fcdcb072e57656051357382cce337729bc1b8
PDF
Publication pageef9c91fa606f0e3b0af92f345a0524922761f3fe4e56cec8b96cccaf3235a92b
Manifest301ac0f08d4c1b060aa2ff7146abb02962882b3941eaba055660285e33a2b9fa

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
SignaturecUxEzBXJdbXZYvUpc6gT/IuXpSWWe7JVbu118X9JW0I7tDtLDKMfT8I6y8JTVyLVy3j/uxlhMeZBFCgFFcr+Ag==
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

2026-09-17T12:06:00.188019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015310
observed ef9c91fa606f0e3b0af92f345a052492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:00.170233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015310/manifest.json
observed 301ac0f08d4c1b060aa2ff7146abb029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:00.152447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015310/publication.md
observed bd2cb918829582f890245964688fcdcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:00.134887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015310/publication.txt
observed a865c4f2d731b564d0225fe000f1d0d2...
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.