OpenTechnical

OT-2026-000017345

Publication integrity record

Single cup 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-2026-000017345) never changes.

Identity and time

Publication numberOT-2026-000017345 · never reused
Internal UUID01a0ae6e-76c8-773c-8719-03f4eb3b1f51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017345
StatusPUBLIC

Content hashes

Canonical text24e76ddb7cd2d3e64f2942b5620c22adc10b0788e6aa8d46fb924b012e99414a
Markdownb3e9caa99519e1539186779e1863079b24279ca91ec2a121d295c7c7c5e74e37
PDF
Publication pagefbea6e3c067e7671551c05762d89c53915a98873200bf3b53c2e338a5febe3e6
Manifestd9d25622f2b42e53f14fbdbe4068ee54555965e4c777a74129b737376f3cc1ce

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
SignatureU7+r6gcoaf2bCaKULoo5r5PkFsjqzn0DjhEpiLyDTb+1HgeG6K+cqUr+h6EQTepYAmSPkLptIyQXm7EkLhRcBw==
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

2026-09-17T12:02:27.373581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017345
observed fbea6e3c067e7671551c05762d89c539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.356161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017345/manifest.json
observed d9d25622f2b42e53f14fbdbe4068ee54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.337384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017345/publication.md
observed b3e9caa99519e1539186779e1863079b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.317668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017345/publication.txt
observed 24e76ddb7cd2d3e64f2942b5620c22ad...
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.