OpenTechnical

OT-2026-000088402

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000088402) never changes.

Identity and time

Publication numberOT-2026-000088402 · never reused
Internal UUID01a0ae9b-5d27-71af-a5ab-f8059a144280 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088402
StatusPUBLIC

Content hashes

Canonical text5ce13bc8a1368810424c6acd7c9970b9ac0ff0b2b341d3bd5339b961181cf4be
Markdowne9d18a493f5f285a1c484947a64842ccc26473372c7559dfea258b5815699fc7
PDF
Publication page8398bd133b6c4eafba9d4712dab1a9bf6a1d7b8cf74dd7b693ac5692cda753b3
Manifest016f7297ba8bad36bdb1a7263464e5fd4e8ab4147b08f926e6f102192168d989

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
SignatureoCmlt3rj9WAp7Z9c2XqkVWgqQ/p3kqEKpr/daOdFXNM8eu+sYdumS8J9j8hMPAksMaJvnWrztlSk8Vrnisg/BQ==
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

2026-09-17T09:48:45.848211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088402
observed 8398bd133b6c4eafba9d4712dab1a9bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.830376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088402/manifest.json
observed 016f7297ba8bad36bdb1a7263464e5fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.812115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088402/publication.md
observed e9d18a493f5f285a1c484947a64842cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.791414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088402/publication.txt
observed 5ce13bc8a1368810424c6acd7c9970b9...
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.