OpenTechnical

OT-2026-000007860

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, vented after set-down

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-2026-000007860) never changes.

Identity and time

Publication numberOT-2026-000007860 · never reused
Internal UUID01a0ae6a-908a-708e-8dc3-393cfd369213 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007860
StatusPUBLIC

Content hashes

Canonical text94c1bd86c11f04cfee9f60ff4cad01f4eb057fdb724a2cdac7840c2c4d872337
Markdownc7bd659aba8ee03221e8851b3b816750dcfc4947a360ce2b3417a573a61d738f
PDF
Publication page7b937e75264337d91d740fa0eacc1e3ba3bd2906323ea1fedf0d6c9aa500583d
Manifest2141f55a820f7165c0775cfc1ceb7378be2d1f55a0d405cfa568ac667f0d41ea

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
SignaturezkcN3CWzebpbnk+kYUz+S4VXi81ezI1MPoDc5PhVhVnsdw9WA2mtFfpPr+r0TkHxIGKz0w6hb99cGw2k40BEDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:18.920616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007860
observed 7b937e75264337d91d740fa0eacc1e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.904108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007860/manifest.json
observed 2141f55a820f7165c0775cfc1ceb7378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.886285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007860/publication.md
observed c7bd659aba8ee03221e8851b3b816750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.867754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007860/publication.txt
observed 94c1bd86c11f04cfee9f60ff4cad01f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.850178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007860
observed 7b937e75264337d91d740fa0eacc1e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.831587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007860/manifest.json
observed 2141f55a820f7165c0775cfc1ceb7378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.813751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007860/publication.md
observed c7bd659aba8ee03221e8851b3b816750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.793149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007860/publication.txt
observed 94c1bd86c11f04cfee9f60ff4cad01f4...
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.