OpenTechnical

OT-2026-000102728

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000102728) never changes.

Identity and time

Publication numberOT-2026-000102728 · never reused
Internal UUID01a0aea4-858c-7d8f-bfcc-8e93edca0d09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102728
StatusPUBLIC

Content hashes

Canonical texta5ff7ba10049db2cd72b88de48c9cabf3a99ffd30f98660188635b0d385b8a9a
Markdowna14fc7fab4299d9f59bc14c4aa52f650b59078135a8de4b8522e0fcd05f44dfe
PDF
Publication pagec88f3933cd6421c8b85289ac0165470422d2db28776b77c0aab6cf59f09a8c2a
Manifest2194883b387d2020844b759f9fff722ba7bd0049483374b181c38bdbf68d3894

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
Signature6jeKKjShzTmcnrve46YPOimijsKNuFTEAF0DNzn9iFr8pb7JtbzDwv8kdXr1+DP1c8PJUnxm4ZB4LhJDx5hRBA==
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

2026-09-17T09:24:14.677626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102728
observed c88f3933cd6421c8b85289ac01654704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.657505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102728/manifest.json
observed 2194883b387d2020844b759f9fff722b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.639852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102728/publication.md
observed a14fc7fab4299d9f59bc14c4aa52f650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.619836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102728/publication.txt
observed a5ff7ba10049db2cd72b88de48c9cabf...
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.