OpenTechnical

OT-2026-000084561

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000084561) never changes.

Identity and time

Publication numberOT-2026-000084561 · never reused
Internal UUID01a0ae98-e25b-7d81-a680-f5b1d82de098 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084561
StatusPUBLIC

Content hashes

Canonical text69992673b9bf6d5b24053b89faf49465d406b4080575141f5de245dad873fc61
Markdowne2952c3086bf9c292385a30e7c22e02c311e833f7ee8b54d7750c44cf3e07604
PDF
Publication page68c56977577965908931e1d392c5e76991e458be5681e28d2520ef3d5ed6cb1d
Manifestce29bec0b0fa700fcd2d5555bd05c15a55cf300f5aa00da7968dab65f6d879f2

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
SignatureGrqsqoW6OtPv5hoebuNafHUN3K6/5/zLqaQGvPADZXnHeBdQJscB3tyfUt1F8NBKCjT845ivYNy9QPhBq7+oAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:27.332551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084561
observed 68c56977577965908931e1d392c5e769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.315336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084561/manifest.json
observed ce29bec0b0fa700fcd2d5555bd05c15a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.297102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084561/publication.md
observed e2952c3086bf9c292385a30e7c22e02c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.280831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084561/publication.txt
observed 69992673b9bf6d5b24053b89faf49465...
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.