OpenTechnical

OT-2026-000033371

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000033371) never changes.

Identity and time

Publication numberOT-2026-000033371 · never reused
Internal UUID01a0ae75-8980-7ba8-a92b-6c0d95b8ae0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033371
StatusPUBLIC

Content hashes

Canonical textf75b818f980c6cfcf6b32afaad3b7fd2eb39b3cacc0b7416328a642f4f7fcd24
Markdownb159ad96d869974d80e091e8db0a74212bfde3e830b50b4283e13a8c288cee7b
PDF
Publication page303ea1e510c97e8c4b47c38ae7d82bf2d6eba6edfa72d514cfdb33926e9802ef
Manifest45be9f3e537b05417bfd1d4de985da07912f3f9aa5fae9340c82497c69fa94ac

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
SignatureizjVjj+9oc4qVUwfJp87G0Jj3paQzDZwDiTMBFjK5Mmj/KCAtucKYbvpGvxWrasF1unouKPVYbrKMtW8iSonDg==
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

2026-09-17T11:32:08.396232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033371
observed 303ea1e510c97e8c4b47c38ae7d82bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.377190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033371/manifest.json
observed 45be9f3e537b05417bfd1d4de985da07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.353713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033371/publication.md
observed b159ad96d869974d80e091e8db0a7421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.334570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033371/publication.txt
observed f75b818f980c6cfcf6b32afaad3b7fd2...
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.