OpenTechnical

OT-2026-000007601

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000007601) never changes.

Identity and time

Publication numberOT-2026-000007601 · never reused
Internal UUID01a0ae62-76bc-7246-a6e1-985a47e4ebb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007601
StatusPUBLIC

Content hashes

Canonical texte65cd49c03b04f2a3a1d94f9f0b52389ffe52895118129b46f335004b693da3b
Markdowna496e407be17b774e26ca8697196e558755087458662f84ac6a6163f86be35c2
PDF
Publication page5defce43c4f85b8e7358a9e3c3a650916a858c09273fcafdbbb1b0e3de190bf0
Manifest862df3f199efa0e0136aaf16d84813ab68ec7b07f23ff6d8af4d7cd4ba68f5e2

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
SignatureI1QTOiUIfe1SLG5FjwON0FtsR7Jmg4W45Dr1QCsh7s1AQnTUb7vkmH05rh8C4HqwXnoCumEYRzVKSV2FAlLtDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:12.707974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007601
observed 5defce43c4f85b8e7358a9e3c3a65091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.688771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007601/manifest.json
observed 862df3f199efa0e0136aaf16d84813ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.670560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007601/publication.md
observed a496e407be17b774e26ca8697196e558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.651792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007601/publication.txt
observed e65cd49c03b04f2a3a1d94f9f0b52389...
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.