OpenTechnical

OT-2026-000076243

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000076243) never changes.

Identity and time

Publication numberOT-2026-000076243 · never reused
Internal UUID01a0ae94-6a6f-7f6e-9d73-34bd6e0e7af2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076243
StatusPUBLIC

Content hashes

Canonical text8f6a0faab5cfd0f425ff1108283c2cd075ef0c765df4a365e15341161040e8fd
Markdown2d0329df8da3b801b7faed1a8585693aecce71cfca452d8f1383fa44bb559ce6
PDF
Publication page596eb837c4f85ceaa4300e14b794809a3233bb2785cc7215468e40a53a82b432
Manifest8ccba6aa81424d75f4cfb375dd119fb6dbc95ea04e2b694e1c0934bb5794295f

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
Signaturelc29yAHdhluEKKGYGzDodBAv3xc+TYDQSjCEUleaVhBEXKDIpAgSYdXv1mCG91FSbtSXWMKAashgWNRwb4WRDw==
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

2026-09-17T10:11:44.267010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076243
observed 596eb837c4f85ceaa4300e14b794809a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:44.243843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076243/manifest.json
observed 8ccba6aa81424d75f4cfb375dd119fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:44.220620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076243/publication.md
observed 2d0329df8da3b801b7faed1a8585693a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:44.196625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076243/publication.txt
observed 8f6a0faab5cfd0f425ff1108283c2cd0...
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.