OpenTechnical

OT-2026-000062191

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000062191) never changes.

Identity and time

Publication numberOT-2026-000062191 · never reused
Internal UUID01a0ae8c-0abd-7867-8fa8-ac3db81b35cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062191
StatusPUBLIC

Content hashes

Canonical text75575c422b68684a7810b882e58a36bcce0b1a4cd0c7157f8c7b62a0798e6666
Markdown85125e7b987f9f23383963ac9b09ef3d83d4befb2962485ad18217efe9a5993a
PDF
Publication pagea34914581f889c3b272e333c2619f3943c9ed7d6f636c8bcff27610101d96e4a
Manifestbfd8085461054b0f611f41f1aad1fa10ad24a2ad7ed2d877ff0b40a4cfbf945b

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
SignatureFyS15wS6b/9Im97n3dP7J30LsgvruJd7yQcEMC9pZ27qYXpbMdJADJ4E0QzpS0qT30mrMq5IYC8X63CDCrYbCw==
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

2026-09-17T10:39:27.249145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062191
observed a34914581f889c3b272e333c2619f394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:27.230120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062191/manifest.json
observed bfd8085461054b0f611f41f1aad1fa10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:27.210466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062191/publication.md
observed 85125e7b987f9f23383963ac9b09ef3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:27.191315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062191/publication.txt
observed 75575c422b68684a7810b882e58a36bc...
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.