OpenTechnical

OT-2026-000009019

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, vented after 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-2026-000009019) never changes.

Identity and time

Publication numberOT-2026-000009019 · never reused
Internal UUID01a0ae6b-31b8-7e4f-911a-b8ea2a1df38b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009019
StatusPUBLIC

Content hashes

Canonical text7c6561b1630e907b899865256bebc8445f2fd66646bd2e73692b076a137d08dc
Markdowna176b7f5f06a7d55d34f41a1a0e6e868ad727320079209bb7a440361f567dd92
PDF
Publication page1e5bb0529f4df3a4eb77cb42560e39c6dde73a5b71ae5a531852159496177752
Manifestfaad67d72c05fe9580e3ff707886246f0cf42beb4f9fac8ef80734b0a730c504

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
SignaturezF35mJISfEIQuBezqX68gqnNO6Rclmat03uPAWhZKnVgUQIPUqqfhfD+lb61bfqw7CTeaVP0cLYzrrOzRkiQBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:39.628237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009019
observed 1e5bb0529f4df3a4eb77cb42560e39c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:39.608569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009019/manifest.json
observed faad67d72c05fe9580e3ff707886246f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:39.589685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009019/publication.md
observed a176b7f5f06a7d55d34f41a1a0e6e868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:39.571374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009019/publication.txt
observed 7c6561b1630e907b899865256bebc844...
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.