OpenTechnical

OT-2026-000097874

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000097874) never changes.

Identity and time

Publication numberOT-2026-000097874 · never reused
Internal UUID01a0aea1-92f6-7171-81d1-3c664c76529e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097874
StatusPUBLIC

Content hashes

Canonical text02b4cf878fd0b61adba342dd5d8d732f9084f2969d9a95437d8249a7440e302b
Markdownb887400f08b4a10afffe53b80700acb8f1abc60e0ecc486fa7d33ce58c2be53f
PDF
Publication page6d0ce6561639b8422a944b0d63ccf88283d6b0cc342b2805c1db4ce2c088c379
Manifest1793afc372a3fe15f77b1b5c437eb532594d85de8ecc7d1213f07b356848af11

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
SignatureEC/RWpx5mtIhD7Etb+RnIqsmosmEiCRVGuJ2rMeG5J+GUa7MJvstQw+IqKPW5vQ9Qv+stm0UiFku/eGdnEfDDQ==
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

2026-09-17T09:32:59.367181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097874
observed 6d0ce6561639b8422a944b0d63ccf882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:59.348895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097874/manifest.json
observed 1793afc372a3fe15f77b1b5c437eb532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:59.330132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097874/publication.md
observed b887400f08b4a10afffe53b80700acb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:59.312768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097874/publication.txt
observed 02b4cf878fd0b61adba342dd5d8d732f...
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.