OpenTechnical

OT-2026-000100919

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two 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-2026-000100919) never changes.

Identity and time

Publication numberOT-2026-000100919 · never reused
Internal UUID01a0aea3-c376-7884-93e0-dd592353a18b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100919
StatusPUBLIC

Content hashes

Canonical text67e3ad588309132d6a390b2fa9568c19a4b8ae89aa941787b190a3115a22b8e3
Markdown1b81c7c25897352b1455b87c05c121e8a3c1a075d89395511472a714058bfea1
PDF
Publication pagea5ccb31d59a4cd3fd146560afcc0bb3e1f4b2b154f7ff8b63e2b0b4b3f7fdbc8
Manifestcdd5a21e0ed48b160b72d1316c4df6393ea0cd97361c844fd25fbd0734eac9d8

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
SignatureblrNpp883EdMHUSYMdvofezkvnJ4X3kvB2IJnHNmohamS5Eu/sEk3po3BqwFZIhibdzcZM6Lo/kfRgrZNDqSCQ==
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

2026-09-17T09:26:25.098480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100919
observed a5ccb31d59a4cd3fd146560afcc0bb3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:25.081132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100919/manifest.json
observed cdd5a21e0ed48b160b72d1316c4df639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:25.062761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100919/publication.md
observed 1b81c7c25897352b1455b87c05c121e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:25.044631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100919/publication.txt
observed 67e3ad588309132d6a390b2fa9568c19...
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.