OpenTechnical

OT-2026-000039208

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000039208) never changes.

Identity and time

Publication numberOT-2026-000039208 · never reused
Internal UUID01a0ae78-9673-7534-a407-0b4f2d35c382 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039208
StatusPUBLIC

Content hashes

Canonical text7e78342db1341f66da565612bbffc5b293180e9cdc85087cd8fe6a4b36b8429d
Markdowned838939592fe2bc14005094a1a9c2a9e508a1a1dcfd330ae828edea2737b180
PDF
Publication page536328db6b388afbf6774dce94b050bcc250594cccee3087c4bafb4d7ddad3cd
Manifest3eeb1a58e1a3a92d8b4e46fd3560cb9111d1937000f664a98054c8b0cf8a660f

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
SignatureH3avyeR55SC91F+BfI4i/m3YsCph4Jtc16lafBLwztUJBNW2ASPlQw6cOLf9+E3joAcbAw1tikhJHJXX30i5DQ==
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

2026-09-17T11:20:45.616465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039208
observed 536328db6b388afbf6774dce94b050bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.599204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039208/manifest.json
observed 3eeb1a58e1a3a92d8b4e46fd3560cb91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.581725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039208/publication.md
observed ed838939592fe2bc14005094a1a9c2a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.564298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039208/publication.txt
observed 7e78342db1341f66da565612bbffc5b2...
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.