OpenTechnical

OT-2026-000091177

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091177) never changes.

Identity and time

Publication numberOT-2026-000091177 · never reused
Internal UUID01a0ae9c-f16b-700b-af4b-9397d3968700 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091177
StatusPUBLIC

Content hashes

Canonical textd8d0de637823bda0daac3ac78f9e1d2611ca82d3b163112c9bbc184502356517
Markdown3d391591197ebf574a3bc508611ca59cb5229b930c0cb2b718db21ecebff7a15
PDF
Publication paged0ddbc2df02f536031096fc625fda366d236221f6781c01dfb473e500cc523c4
Manifestd55cae18aa89992582b640a19d9706c3b58db6d8ece396567c726229dfd27815

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
Signaturee6lgJNiTaKaMKpkL2rlPAhM+mWpix/CbSgMcNbK9lFwhIeGzF7TIkvJnAztTlXQLBlI3UyBmGjQ+Wu1l84hPAQ==
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

2026-09-17T09:43:20.169767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091177
observed d0ddbc2df02f536031096fc625fda366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.151352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091177/manifest.json
observed d55cae18aa89992582b640a19d9706c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.135588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091177/publication.md
observed 3d391591197ebf574a3bc508611ca59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.118539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091177/publication.txt
observed d8d0de637823bda0daac3ac78f9e1d26...
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.