OpenTechnical

OT-2026-000097481

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000097481) never changes.

Identity and time

Publication numberOT-2026-000097481 · never reused
Internal UUID01a0aea1-55b3-7601-9f3e-9c9e06397e0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097481
StatusPUBLIC

Content hashes

Canonical textfb6ca710556eee4c3dd0fb8464ea907872ca3b236a2b866107b59fdc2a899f76
Markdown8974de274b189aee08b263672b65735806571ed6a3e9118ab6cd7e7f5c021622
PDF
Publication pagea033d1c1890b4ef9514b46a34cbd2d5f112c0f3ec07191eaa5afdef325fe2aec
Manifest7c5a93352496e265bad6f80f933862450f4e55219cba791047871f8bd0828c47

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
SignatureqX4jgVd+F3wFEsdrhIuePX7bCYjpmcOG2g4ITdJKec+9U3G6W2r4riYbSNCDjhyrZeyyqa3Pwq+mnoddxJPzCg==
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

2026-09-17T09:33:21.099098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097481
observed a033d1c1890b4ef9514b46a34cbd2d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.081174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097481/manifest.json
observed 7c5a93352496e265bad6f80f93386245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.064915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097481/publication.md
observed 8974de274b189aee08b263672b657358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.049298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097481/publication.txt
observed fb6ca710556eee4c3dd0fb8464ea9078...
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.