OpenTechnical

OT-2026-000037463

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000037463) never changes.

Identity and time

Publication numberOT-2026-000037463 · never reused
Internal UUID01a0ae77-b8ce-7297-8bf6-4380459804a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037463
StatusPUBLIC

Content hashes

Canonical textfff717bfffa9e3be7fd2facea44af4dd87e2301dfd277373e7e1ea78301ee45e
Markdownd3cb2c26ca9e4c24ace3bf1155e4be9f3684e7614dbf590530b620c53abcd158
PDF
Publication page6bb2cfa53c0df094a457ebbe62b1ec12569812561e3dfaeb144ed07c0724deca
Manifestd92fec312291ad2e8db5ab30803f604230d41f40af303e9f46d54db3a021af17

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
Signature1UTJ/CCjxp/865JzW0Aq1HC5WyoEvYwUl9jhp4LTWhLRtaRwrbv3qdoOa8IL9E3GG4RHH2sRiwEjhrXKgSzQDw==
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

2026-09-17T11:23:53.990805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037463
observed 6bb2cfa53c0df094a457ebbe62b1ec12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:53.974700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037463/manifest.json
observed d92fec312291ad2e8db5ab30803f6042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:53.957290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037463/publication.md
observed d3cb2c26ca9e4c24ace3bf1155e4be9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:53.938112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037463/publication.txt
observed fff717bfffa9e3be7fd2facea44af4dd...
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.