OpenTechnical

OT-2026-000084102

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000084102) never changes.

Identity and time

Publication numberOT-2026-000084102 · never reused
Internal UUID01a0ae98-5b5e-7c3b-88e2-758f7b6232e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084102
StatusPUBLIC

Content hashes

Canonical text4f3734f21a25f1928f6144fa228baaf9cd3caa96ff711a2e451b9c375356d357
Markdown0495c20a053d1023ab3c08ea15ad3333fabf9a34efbaae9b68ed608301c0ad89
PDF
Publication pageea6cfb4891a8cddeb4ec01b1ccef550b17f24526df00eec3859f029f5f543bba
Manifest70b68299b26707de4d12f06bd51b1fd00f1e7b033c1965fedf2e7026293bc1d9

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
SignatureAfi4LiTD0NzU7zlq8tpPi9PYZj67srq1HZSW7vOusNO71M0mcsgqnf6hVYaNA6L1UWEywNq3lr6Eys6Wk/SGCg==
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

2026-10-24T12:41:11.874916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084102
observed ea6cfb4891a8cddeb4ec01b1ccef550b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T12:41:11.787995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084102/manifest.json
observed 70b68299b26707de4d12f06bd51b1fd0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T12:41:11.695231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084102/publication.md
observed 0495c20a053d1023ab3c08ea15ad3333...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T12:41:11.445456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084102/publication.txt
observed 4f3734f21a25f1928f6144fa228baaf9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T04:23:12.482030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084102
observed ea6cfb4891a8cddeb4ec01b1ccef550b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-15T04:23:12.468200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084102/manifest.json
observed 70b68299b26707de4d12f06bd51b1fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-15T04:23:12.454099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084102/publication.md
observed 0495c20a053d1023ab3c08ea15ad3333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-15T04:23:12.407078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084102/publication.txt
observed 4f3734f21a25f1928f6144fa228baaf9...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent