OpenTechnical

OT-2026-000034287

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000034287) never changes.

Identity and time

Publication numberOT-2026-000034287 · never reused
Internal UUID01a0ae75-df0e-78fa-b61b-d4c6eef9b7ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034287
StatusPUBLIC

Content hashes

Canonical textc6396df9d211795f05d3157a313b0c2402796521e8cc94d8cd04ca08a6b81e79
Markdown884f979b1b4a8786ff4bf27ade5d69646ead6f5897ca5716d5d82fd25a52c330
PDF
Publication page059aa93e70c4db8c92955db038d19f3831dcfe98d50b076e0b038de4216cb3ed
Manifestb4664708cbfb0f79a0f41bf64ccf73b425d235c794e9fb6fe6ba18892bbfd8d2

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
SignatureQSEU0cBaYcnBW4qozbifBbEVBobsfnKpxJPaP22reFfhjNjazXujq9LYF3+0+frndxL2jMfwrSpi7BToxDDtAw==
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

2026-09-17T11:30:58.437077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034287
observed 059aa93e70c4db8c92955db038d19f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.417718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034287/manifest.json
observed b4664708cbfb0f79a0f41bf64ccf73b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.396510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034287/publication.md
observed 884f979b1b4a8786ff4bf27ade5d6964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.378591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034287/publication.txt
observed c6396df9d211795f05d3157a313b0c24...
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.