OpenTechnical

OT-2026-000070373

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, 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-2026-000070373) never changes.

Identity and time

Publication numberOT-2026-000070373 · never reused
Internal UUID01a0ae91-545f-7011-a948-c1647a483bef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070373
StatusPUBLIC

Content hashes

Canonical text2c93551801a5994413b94a71338d9e07f87c7048a92cfea4aa2626608b0f7589
Markdownf32807305b6463432ba2dd9d297519688b76ab92dc0efc27dce5d0efc67f0b2d
PDF
Publication page4884b398dea4fe4594d8f64b0dd7e77f609262d02250e9999dbf74d3ed18f603
Manifest46689bae70f93ca0ada5787380c48db9f216a21df5b0e19a0553461b13aa784a

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
Signature5WtH+Lb5qS2ExbjO1DwXBBXAm/pnTUNDLEFeNtysIaYzEDCLZwSLQ/FPvjwd80qFzaGY3Ql7hDUkZRvpy1OlBA==
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

2026-09-17T10:26:10.593433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070373
observed 4884b398dea4fe4594d8f64b0dd7e77f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:10.576565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070373/manifest.json
observed 46689bae70f93ca0ada5787380c48db9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:10.557875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070373/publication.md
observed f32807305b6463432ba2dd9d29751968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:10.540482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070373/publication.txt
observed 2c93551801a5994413b94a71338d9e07...
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.