OpenTechnical

OT-2026-000031635

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000031635) never changes.

Identity and time

Publication numberOT-2026-000031635 · never reused
Internal UUID01a0ae74-bacf-7c29-adb9-b2d73b9d8b8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031635
StatusPUBLIC

Content hashes

Canonical text04371b8ba3b2d661d1d18a02d8e4ee13e78e73480daf81acf42928aaf9aa1d0c
Markdown48614447528f492a1573fa6bad90f5b1711d41a913e5b6f312c91dda5868b0a1
PDF
Publication pagea8b868117df77065f79b9d6e2e2fb8eb7865e4b4d30a7bd65e87402d99a23a43
Manifest36568b1bf470165c98f209a64c2419d1f58a5abd3474058f29a525a866108b07

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
SignatureKvpwZoqL1iNi7KR+US3lG/KLM2KDDLmNzJg6E/lN8mj3EnzXH8S8FXhiqsfvc7raTsY7rHqaO1IA/saJOKJYAQ==
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

2026-09-17T11:34:41.285430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031635
observed a8b868117df77065f79b9d6e2e2fb8eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:41.267035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031635/manifest.json
observed 36568b1bf470165c98f209a64c2419d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:41.249882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031635/publication.md
observed 48614447528f492a1573fa6bad90f5b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:41.230984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031635/publication.txt
observed 04371b8ba3b2d661d1d18a02d8e4ee13...
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.