OpenTechnical

OT-2026-000040513

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000040513) never changes.

Identity and time

Publication numberOT-2026-000040513 · never reused
Internal UUID01a0ae79-6d0d-7734-a757-91ae6cc50a6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040513
StatusPUBLIC

Content hashes

Canonical texte0831851d56d829560b72d3be240acb832c2c355dc6d7fc796fc9324064be4de
Markdown2c0ca71c51de13fd3b76f3bd05f8c55dcd10afd9786d45d8e59d0aadd21ff984
PDF
Publication pagebf170a4a7691cb9f93f0b16f9d36c55a46035cf8dbd7ea2de98e66463c2c9910
Manifeste7a00dfe700e2132bf52975983709e500d542f51ed2292570699609d82f27728

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
Signature4orT8Kj9UEtkVo4z3rtU3V2NhAZWKvMeH+AEvB+Ywp2rdAddUI/F+t20XtEt13nbPMQpz/pM5lu+pdpbuEMFDQ==
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

2026-09-17T11:17:33.675546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040513
observed bf170a4a7691cb9f93f0b16f9d36c55a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.658013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040513/manifest.json
observed e7a00dfe700e2132bf52975983709e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.638497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040513/publication.md
observed 2c0ca71c51de13fd3b76f3bd05f8c55d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:33.618980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040513/publication.txt
observed e0831851d56d829560b72d3be240acb8...
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.