OpenTechnical

OT-2026-000072225

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000072225) never changes.

Identity and time

Publication numberOT-2026-000072225 · never reused
Internal UUID01a0ae92-47c2-7fec-bca6-bbc46b024f42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072225
StatusPUBLIC

Content hashes

Canonical text43a8aa3fe038ba17c3e9dc3301e7a26927d43bc1080e4949d798df0cf8ab653b
Markdown3bb6fba883d482e5eb6551e8a20d8b5c101b9be972f0e60b0617d61bf255a0ce
PDF
Publication page53ecd2de74ebd09cf259918031b1b668c2cda6008b7094d2cdf2e11a53f663ea
Manifest6bbf90891b54de6a731f2ea8b687b3e7b3890b32d0ae520e1c6ab8974ea66ddc

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
Signature50Ma2Wq/cC8BRcxP1unqBVUMPndfy/xmTDOItnlE/9f18X85L2iAnWISMpZaPfyfNj450Qx892M8GyPLAn7oBg==
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

2026-09-17T10:23:19.768586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072225
observed 53ecd2de74ebd09cf259918031b1b668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.750273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072225/manifest.json
observed 6bbf90891b54de6a731f2ea8b687b3e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.734602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072225/publication.md
observed 3bb6fba883d482e5eb6551e8a20d8b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:19.718026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072225/publication.txt
observed 43a8aa3fe038ba17c3e9dc3301e7a269...
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.