OpenTechnical

OT-2026-000025381

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two 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-2026-000025381) never changes.

Identity and time

Publication numberOT-2026-000025381 · never reused
Internal UUID01a0ae71-5fa7-78be-a4e4-1d5ab7ac64b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025381
StatusPUBLIC

Content hashes

Canonical textfe8ac3620a55b8044cc36ee9f710fe068c0274260f3e5b2ee5b494c03ea2606c
Markdowna44b54ebc161e52e7662fb5b058e755814f2f7d33cfb228a30f18b8bf5643653
PDF
Publication pagefc2c6c89620ba931b61c1a0cb88ea910aac46bdd6cdf9c675ef58031bf3f041e
Manifesta62ec2a3056b9467bdcf83da030e89377094e470511b846becd2cc436c56ea5c

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
SignatureXT7Z8ZTUQl7I2T6vaMIHa9Ibt1LHhSFLJ6/SUZDY8AtBE2IV0yWmit+dgXLe3Uoc2gc3mWLFIIDrauHqN5IABA==
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

2026-09-17T11:47:26.758782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025381
observed fc2c6c89620ba931b61c1a0cb88ea910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:26.740583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025381/manifest.json
observed a62ec2a3056b9467bdcf83da030e8937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:26.721751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025381/publication.md
observed a44b54ebc161e52e7662fb5b058e7558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:26.703086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025381/publication.txt
observed fe8ac3620a55b8044cc36ee9f710fe06...
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.