OpenTechnical

OT-2026-000099170

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000099170) never changes.

Identity and time

Publication numberOT-2026-000099170 · never reused
Internal UUID01a0aea2-8288-71d0-a0a5-e9dbd61c82a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099170
StatusPUBLIC

Content hashes

Canonical texte7abf7c9752e1a568f1799fef38a0a230b0e2ea758afff69fd5d81e754ef8781
Markdownad8855196c7d196701da9e3bb4a25bdd03f2f902b4c6d35bd1780849c96bbe64
PDF
Publication page040d0713847144ca1bd2df0e44c6efc7099f612877cf0ccac29ecd440861bda5
Manifestb2573ccaa9f340236574d855ce8bd0a6d26e37fed502b619d28aec7d85dedd06

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
SignaturecB/srvBTa+2Xxu1SdqkTUhZ1+7NgSxVvssfDooLdDwwgVIyyK9eRZjKPbmE3c2/b0h3Qx1eMdNX3fxWkixQWCA==
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

2026-09-17T09:30:33.180276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099170
observed 040d0713847144ca1bd2df0e44c6efc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.162797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099170/manifest.json
observed b2573ccaa9f340236574d855ce8bd0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.142476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099170/publication.md
observed ad8855196c7d196701da9e3bb4a25bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.123954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099170/publication.txt
observed e7abf7c9752e1a568f1799fef38a0a23...
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.