OpenTechnical

OT-2026-000010180

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000010180) never changes.

Identity and time

Publication numberOT-2026-000010180 · never reused
Internal UUID01a0ae6b-cb7a-78e6-b5a2-b5cd1a7d06cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010180
StatusPUBLIC

Content hashes

Canonical text9add1133fd841bfc8d2def531b45193b66d8156b36d404eeb04a2d74df43b3ab
Markdown7dbbbd202588269e69b02b7cb45c80686b4e2a62525b8ec5bb5b56596c21e796
PDF
Publication page47d72acca2639ff09517a6df869355fa97a612cd8af3f7c46577f80bc0734669
Manifestc411af6fd5729bd0abf6ca68c1a89370fce95e8a6d8ccbbd08d8139102ed6ffb

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
SignaturekS5lml2a7690Pa5pKPgZbJVo3vP9xg5qwAwcVEdk4tzwieAqnPuY7feh8tphsjp5TNO5FSwwY9QSGpJPdFsDCg==
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

2026-09-17T12:16:17.639834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010180
observed 47d72acca2639ff09517a6df869355fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:17.621104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010180/manifest.json
observed c411af6fd5729bd0abf6ca68c1a89370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:17.598856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010180/publication.md
observed 7dbbbd202588269e69b02b7cb45c8068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:17.581304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010180/publication.txt
observed 9add1133fd841bfc8d2def531b45193b...
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.