OpenTechnical

OT-2026-000089311

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000089311) never changes.

Identity and time

Publication numberOT-2026-000089311 · never reused
Internal UUID01a0ae9b-db01-77b5-a525-07340db1b5e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089311
StatusPUBLIC

Content hashes

Canonical texte58eacaf6c3254ba4bd2c24b470bc731ba24b6a80dbf45af7f5453efca64a990
Markdowndb7a267b1003096079aad98945da94d1e17a7a8e614dedb69e86507fa9ff4562
PDF
Publication pagea22246e1ff83c760d065b70462458687aec2f9fa6a6fd988d82c56c3d3be0682
Manifest7286822cffe5b8361e249f727c29a3740b9a466e129f9baf6de22482f17d7b70

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
SignaturewSzUb8sljX9tGBfXQDVzrqW+/XfFHVkTiC6AUNvAbaXtJWwSe8wNbU5obiNEfj8HzGT5WejVPFOu1xecysyhAg==
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

2026-09-17T09:47:21.661533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089311
observed a22246e1ff83c760d065b70462458687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.643571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089311/manifest.json
observed 7286822cffe5b8361e249f727c29a374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.626170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089311/publication.md
observed db7a267b1003096079aad98945da94d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.609188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089311/publication.txt
observed e58eacaf6c3254ba4bd2c24b470bc731...
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.