OpenTechnical

OT-2026-000036321

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000036321) never changes.

Identity and time

Publication numberOT-2026-000036321 · never reused
Internal UUID01a0ae77-01d0-78d5-b9bd-5da2e8155541 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036321
StatusPUBLIC

Content hashes

Canonical textd81d4decf17f1c387235b6c5dbbca290e75f37f63908dece9562dbc639280312
Markdown493e2148347067d010d9cb97889d2eabda914d0ea64b357a0c1a06c7c77a6733
PDF
Publication page220050c65e5f162b2897698efa71b4bebb70043414024718058e52db35e44c9e
Manifest50c74187746d7ef559343512b5a31b936ddd63f8f4ba2bc5156306f1870a2511

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
SignatureXjt3GD744vXc/AN7hIzsaGrmaqvoyB+fmgZUHu9h2dIKLB1b+i4ev95PicAuv9cE7eXxNFEgh6ePziXb7gAwAg==
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

2026-09-17T11:26:35.799314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036321
observed 220050c65e5f162b2897698efa71b4be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:35.780090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036321/manifest.json
observed 50c74187746d7ef559343512b5a31b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:35.762052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036321/publication.md
observed 493e2148347067d010d9cb97889d2eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:35.743352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036321/publication.txt
observed d81d4decf17f1c387235b6c5dbbca290...
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.