OpenTechnical

OT-2026-000022369

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000022369) never changes.

Identity and time

Publication numberOT-2026-000022369 · never reused
Internal UUID01a0ae6f-f4fd-79d0-bbec-a8946559f816 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022369
StatusPUBLIC

Content hashes

Canonical textfd44f0d15eeb5706cbb4e28bb6396ec6d5cc8ed61a32003102365fc949695e8a
Markdown449e0caf6a183bfac2d398e6d57ac9d64139d0e9b15c309e5c4bc7ee735a1cbc
PDF
Publication page33002904b62fe9be503e2b31b80af385788e5f86ecb3d2d507d885022c626b15
Manifest49d7600925377619d4aef9603743c55fb857f4bf8d64706a63ef7e0c51314afe

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
Signature4iTY8kkhVVYLfhguMpayT+aRxIHWPdrEKN3TVpJ0+NGbn6ZMfrLTqSW5AQUf/hHgr5exMT3RNbwu5zrGwaR0CA==
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

2026-09-17T11:53:44.320131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022369
observed 33002904b62fe9be503e2b31b80af385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.302387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022369/manifest.json
observed 49d7600925377619d4aef9603743c55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.282015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022369/publication.md
observed 449e0caf6a183bfac2d398e6d57ac9d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.264262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022369/publication.txt
observed fd44f0d15eeb5706cbb4e28bb6396ec6...
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.