OpenTechnical

OT-2026-000099554

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000099554) never changes.

Identity and time

Publication numberOT-2026-000099554 · never reused
Internal UUID01a0aea2-c975-775f-b27c-a5932a52e700 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099554
StatusPUBLIC

Content hashes

Canonical text2ff38ca1e8036c896143e5ef5e8e9f5a88f759ab75c0d29f5544733bc0897905
Markdown1ceb02cc1bfaabd48229dcf5cb8b9892b72288bb9b7adf8f7da8b0e558ec99be
PDF
Publication pagec065cb131b5f8eaab4b937bec84e5d1b642fb53b542373f091672301ae6be621
Manifest2158735f04d2f54a79ae96b7efc251472f8625295362584d3dba65fa35090502

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
Signature+nv25b6K/GUu3b6IT0iPvXzMFpvF0EuC1cldH1bcsqnB8U6O44ZBiG6ziaRofkQNcmbQ9iOD+3D+boHG/aWsDw==
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

2026-09-17T09:29:27.755469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099554
observed c065cb131b5f8eaab4b937bec84e5d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.735080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099554/manifest.json
observed 2158735f04d2f54a79ae96b7efc25147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.714796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099554/publication.md
observed 1ceb02cc1bfaabd48229dcf5cb8b9892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.695505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099554/publication.txt
observed 2ff38ca1e8036c896143e5ef5e8e9f5a...
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.