OpenTechnical

OT-2026-000097529

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000097529) never changes.

Identity and time

Publication numberOT-2026-000097529 · never reused
Internal UUID01a0aea1-55b4-7cee-8e73-095c0a06da10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097529
StatusPUBLIC

Content hashes

Canonical text776b23d4c6d8252ab8a9b6a0cada89ec7509b0ccb9d70cd8f5036909e8466cce
Markdown31b1600606e26d253571831525d5e15779197fdef9d7f979593f18e100e1df11
PDF
Publication page21406688fe82b26fe09962cb56c5cebac17c6a116d747f8524bdfdc9590e0439
Manifestd2fe738e5622148ff393c3e0751bb1dab5af79743a43500d3cdcf681782e7ba9

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
Signature7OpLd99/Dj/kqw3qa1zCmialiNQJLQmkAoA6KT3DAfwRsav3CzDP1ItWohWuBBlgzipb2BZ6WPYGtk0OxhHpAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:24.260562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097529
observed 21406688fe82b26fe09962cb56c5ceba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.243872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097529/manifest.json
observed d2fe738e5622148ff393c3e0751bb1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.224507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097529/publication.md
observed 31b1600606e26d253571831525d5e157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.205181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097529/publication.txt
observed 776b23d4c6d8252ab8a9b6a0cada89ec...
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.