OpenTechnical

OT-2026-000015323

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump 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-2026-000015323) never changes.

Identity and time

Publication numberOT-2026-000015323 · never reused
Internal UUID01a0ae6d-ef49-7f43-88a1-d28af9511acc · 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-2026-000015323
StatusPUBLIC

Content hashes

Canonical text55dcb0cb346f47b0b24702fa3d94e0d4fdd90c166eaa4641d9bbf6adcc4a9e49
Markdown6a349d537d011f845a54efec821d003cc0c338b4b749ac3181038f013ece68a9
PDF
Publication pagedad363d1a7598daafbf0087a3425442943244d46ec2c9a7c5bc15930c31e26c8
Manifest47069522e7e3aff128c7a1d4a40fbfde38af2dd5a0602172d2f86315746b1cc2

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
SignatureLJirEhlKi4oACr0okqe0JI9N0Bg+2T+e1H+lC90TVuSMGwN5aYeNpNimwaJbxxKQEqR39TMLowpwWFA4649cBg==
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

2026-09-17T12:06:01.206748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015323
observed dad363d1a7598daafbf0087a34254429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.185917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015323/manifest.json
observed 47069522e7e3aff128c7a1d4a40fbfde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.165440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015323/publication.md
observed 6a349d537d011f845a54efec821d003c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.148177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015323/publication.txt
observed 55dcb0cb346f47b0b24702fa3d94e0d4...
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.