OpenTechnical

OT-2026-000076301

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000076301) never changes.

Identity and time

Publication numberOT-2026-000076301 · never reused
Internal UUID01a0ae94-6a70-7541-bf71-dba88a74b31b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076301
StatusPUBLIC

Content hashes

Canonical text12e9cf212bf4a360d0266207e2db2a29319a487e40d4a1735d00d7d71daac121
Markdowna6193c6a518c639699bd52d54a68fb659f6a38d73e00f9d445d16ee598326289
PDF
Publication page4d0cb7baf5ae1fb9482160d0606323d8d091e8c7df82ddd8c9d4bb01e4b295a3
Manifest92ba3a4687adf9dab54d2cba3b48bebb5d1758ff9877f0367f520ac9db1653b6

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
SignatureCQINLVzQDlMcjV0lF0rpj05hWUV+7+sjzkec8tjetQ8wnSsy6Ot49O6QINYtrxszRB2H/Bpa419ojLYvfGErAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:08.267675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076301
observed 4d0cb7baf5ae1fb9482160d0606323d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:08.246299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076301/manifest.json
observed 92ba3a4687adf9dab54d2cba3b48bebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:08.224383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076301/publication.md
observed a6193c6a518c639699bd52d54a68fb65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:08.204673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076301/publication.txt
observed 12e9cf212bf4a360d0266207e2db2a29...
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.