OpenTechnical

OT-2026-000015957

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000015957) never changes.

Identity and time

Publication numberOT-2026-000015957 · never reused
Internal UUID01a0ae6e-0c4d-7cb1-8036-1403e51f790d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015957
StatusPUBLIC

Content hashes

Canonical text42817a92143baa0614315c54c7cfc7b1c4b3ca71aba049192a209e5fdff7a286
Markdown6f25cc695878676cc93eb86d7362e0ad742d8a064984d3bf1c7115355181ff56
PDF
Publication page8325739fe019cffbb66afd20d86dc1b8c5c9ddc0090a6cfa6d55e09f8d0c1ab7
Manifesta053b62ab990f06b3e198f74e863d83c0baa06adab68a2d2764f7c3c86bfcc36

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
SignatureNQItWR2ZEGjiZ4pcPYa67IjklrBjjtfT9yZcr1sqtHS+u+Rxp00TC7los0xWTg5g8QBty63bT9gpe6/UIX/3DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:26.822020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015957
observed 8325739fe019cffbb66afd20d86dc1b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:26.797198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015957/manifest.json
observed a053b62ab990f06b3e198f74e863d83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:26.772573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015957/publication.md
observed 6f25cc695878676cc93eb86d7362e0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:26.747091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015957/publication.txt
observed 42817a92143baa0614315c54c7cfc7b1...
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.