OpenTechnical

OT-2026-000020545

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000020545) never changes.

Identity and time

Publication numberOT-2026-000020545 · never reused
Internal UUID01a0ae6f-437c-71ba-8d93-2ed5778d2481 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020545
StatusPUBLIC

Content hashes

Canonical textcaff1de54ce1471980331d8632dc8d73ed79b01cf872d2de203c88f300b1b55b
Markdownf98b880c80f3e1f0b4863fc00afc92f256b951e6c46cc7dfed85d433c8c7115f
PDF
Publication page706920694219b762a55b95905e17071e662241f85d5329fcd33ef61631304c2f
Manifest6b454f4d463c561cb027113da07ba2216d7074fd92c6166d6ca01a5245f65e76

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
Signatureiy6G+DIp8NahMLbUj9Y/odCzRN33ZYOvEiaHAFg5PsUhFlIaqO/XZ2xtQEKTmcU9q57eMOnE5pZbqb3zKW51BA==
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

2026-09-17T12:00:31.802119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020545
observed 706920694219b762a55b95905e17071e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:31.782461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020545/manifest.json
observed 6b454f4d463c561cb027113da07ba221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:31.758177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020545/publication.md
observed f98b880c80f3e1f0b4863fc00afc92f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:31.736471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020545/publication.txt
observed caff1de54ce1471980331d8632dc8d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:34.380663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020545
observed 706920694219b762a55b95905e17071e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:34.364520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020545/manifest.json
observed 6b454f4d463c561cb027113da07ba221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:34.348510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020545/publication.md
observed f98b880c80f3e1f0b4863fc00afc92f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:34.330093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020545/publication.txt
observed caff1de54ce1471980331d8632dc8d73...
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.