OpenTechnical

OT-2026-000015587

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000015587) never changes.

Identity and time

Publication numberOT-2026-000015587 · never reused
Internal UUID01a0ae6d-ef4c-7978-95be-fe21d4b191d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015587
StatusPUBLIC

Content hashes

Canonical textf670107d0f58f5511257e1947689a0aea867a9ab0c742419bc67014b62e38e8f
Markdownda8851f3c3672eae20b160e877a8cbb215e83121006443fdb6702d61eb151a6f
PDF
Publication pagef3e42e7dccc652bcf401efbe7608e5239ea590720df70abe905a8f9fff1ccec7
Manifest32d082913a3ba600b106679d1f9f768ab95b614072166368a758ecfd94e2c550

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
Signature66k4uiATB4wvdqlnaA3QnrzQiiv/yDYaZ1rYzoWp/CPs/wpyoy5NGP39Dxm9V2HHrdrH72LkRciGUDY1ZSo5Bg==
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

2026-09-17T12:06:23.110363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015587
observed f3e42e7dccc652bcf401efbe7608e523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.090219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015587/manifest.json
observed 32d082913a3ba600b106679d1f9f768a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.071086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015587/publication.md
observed da8851f3c3672eae20b160e877a8cbb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.051138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015587/publication.txt
observed f670107d0f58f5511257e1947689a0ae...
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.