OpenTechnical

OT-2026-000045725

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000045725) never changes.

Identity and time

Publication numberOT-2026-000045725 · never reused
Internal UUID01a0ae7d-8f04-7737-96ec-1c6c3eac5597 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045725
StatusPUBLIC

Content hashes

Canonical text5e6078034da6872512ab5ba7d00a90c9c12cd10ebfe7179e770729c891adc579
Markdownd4c7880e7ffb3fe019eb507abf450725403214ce816ca943147af7b171e43d2b
PDF
Publication page981c51a83dc84f76bca9c0292e514063f426e9c993eddf095406926f25d625bb
Manifestbb6816d86091cd77c93c9290ff434dfe458129dc9c80a862dd12a782ade9f9d0

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
Signature6HFwxSqQXiQHS/Qbq91C/FVowKvwcrRvx2cGWwpcB+k79EQXQHIXZlGUNswWuwBvvIs+wSvBl2seaNaFvb5mBA==
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

2026-09-17T11:09:32.382952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045725
observed 981c51a83dc84f76bca9c0292e514063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.360555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045725/manifest.json
observed bb6816d86091cd77c93c9290ff434dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.342235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045725/publication.md
observed d4c7880e7ffb3fe019eb507abf450725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.323126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045725/publication.txt
observed 5e6078034da6872512ab5ba7d00a90c9...
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.