OpenTechnical

OT-2026-000072899

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000072899) never changes.

Identity and time

Publication numberOT-2026-000072899 · never reused
Internal UUID01a0ae92-c814-7572-81b5-216a92bae854 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072899
StatusPUBLIC

Content hashes

Canonical textc0742a381b7e253207ee74030f9fa85a198d8ec38005037a613268856ffbe465
Markdownd22ad6f01a8e2520fb273c779070ec3b1e43823e89bf45f1ed901c35f95733ac
PDF
Publication page2e0d41efc870abedb2257eead5ab747ac7894f835b4fb1f6c4ce01da389d65bd
Manifest821fbd37793ea9b07910efe6e4b6f0ad56e185b3333d3e2c26ca1261fc8ab6ac

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
Signature5VX828OhlJnc0TCdGZeiwKcJFZ0HQNQL8U75HOC4VxgGKkxkmjs5dXvqlBvoglqMtRdYBMzWKAx3lBq3AFdCBQ==
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

2026-09-17T10:21:48.412435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072899
observed 2e0d41efc870abedb2257eead5ab747a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.388981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072899/manifest.json
observed 821fbd37793ea9b07910efe6e4b6f0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.370987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072899/publication.md
observed d22ad6f01a8e2520fb273c779070ec3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:48.275019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072899/publication.txt
observed c0742a381b7e253207ee74030f9fa85a...
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.