OpenTechnical

OT-2026-000039657

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000039657) never changes.

Identity and time

Publication numberOT-2026-000039657 · never reused
Internal UUID01a0ae78-d8d4-7139-94ef-da1abfc8d65e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039657
StatusPUBLIC

Content hashes

Canonical text2909ad00b9f4a8559bd552e928093b7635260cc1977be83a264de46bbe18bc65
Markdownc438fa34c56b7fb357d414cfa0bcd243b350adcb135127d92b2198712d526d60
PDF
Publication page31c004f9c213c1a18248efcd6bc6a8acd03fc0d672d319b4ed2690ca09db01c7
Manifesta20255306197c10132e32fa0fbca2a37d0920ded5668fc2d0233d78983d31628

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
SignaturewOMJrveyFt8ynHHZfnrzzcBTJw6F6Guf7iGk2Jg4WyD4g3kIrj1gZOUp4WVmS+VRvziqH6RJPb8X5VN6DW/eCw==
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

2026-09-17T11:19:49.775996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039657
observed 31c004f9c213c1a18248efcd6bc6a8ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.757523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039657/manifest.json
observed a20255306197c10132e32fa0fbca2a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.736849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039657/publication.md
observed c438fa34c56b7fb357d414cfa0bcd243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.690599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039657/publication.txt
observed 2909ad00b9f4a8559bd552e928093b76...
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.