OpenTechnical

OT-2026-000069855

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000069855) never changes.

Identity and time

Publication numberOT-2026-000069855 · never reused
Internal UUID01a0ae91-1860-7078-820c-0abcccb0d293 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069855
StatusPUBLIC

Content hashes

Canonical text35e9b5b27a12d649a49fc7216aedd731b1c5a91a6e7467414ff69ab5aafabc73
Markdown5b5c2ba699219a1a2fdd1572c5cd1d99a331e748850a377f69b5f8c67054061b
PDF
Publication page2a7b1637ee597e5914d8d2dcfb8ed6ca82c2d6d568f81aad065f013c0041c2f7
Manifestf763b94f564671c6e27d279016193f1f8cf2a612dca132b49e865c115ec4bdb3

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
Signature8AVXkrhRcTaHAOC08CofLENf7C8eoadXNRo/qqvbKnoO3M4ZsRd9AfF8Pa+NV9bPy8uCrnWDO4QmwZ2SZ0/pDQ==
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

2026-09-17T10:26:41.155019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069855
observed 2a7b1637ee597e5914d8d2dcfb8ed6ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.137156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069855/manifest.json
observed f763b94f564671c6e27d279016193f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.119246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069855/publication.md
observed 5b5c2ba699219a1a2fdd1572c5cd1d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.101882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069855/publication.txt
observed 35e9b5b27a12d649a49fc7216aedd731...
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.