OpenTechnical

OT-2026-000034249

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000034249) never changes.

Identity and time

Publication numberOT-2026-000034249 · never reused
Internal UUID01a0ae75-df0d-71be-a52e-0d286f5f2ff7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034249
StatusPUBLIC

Content hashes

Canonical textef848130bd5e84efdc7a7c55a98e2ceeb7b2b9e3ed00c5f497b8d6bdce3b8d49
Markdownff8e28c7a8247fe546806c7a71d03da10ff42873a23ace4ee6ee4c6458419e9a
PDF
Publication page045626277d50059b34aa1c15dafc6bb526fab9431789e3b80bd09ff2df685a06
Manifest26c2d8c8d8efc92b5ff8dbc7ad7e78295f12c32419699222c2e7fb1823465ed1

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
SignatureLqzJ3RzIDwR2mF3I5daj50341epd5glWMCt2T1idryaOMJchmwC8BX0RTw8LhBBfM9/AtshoNcHGZM1gCVhyCw==
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

2026-09-17T11:30:48.358988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034249
observed 045626277d50059b34aa1c15dafc6bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.339966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034249/manifest.json
observed 26c2d8c8d8efc92b5ff8dbc7ad7e7829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.319391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034249/publication.md
observed ff8e28c7a8247fe546806c7a71d03da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.303144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034249/publication.txt
observed ef848130bd5e84efdc7a7c55a98e2cee...
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.