OpenTechnical

OT-2026-000073007

Publication integrity record

Four cup vacuum gripper, four zone face, four 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-2026-000073007) never changes.

Identity and time

Publication numberOT-2026-000073007 · never reused
Internal UUID01a0ae92-c815-7dd9-8a51-e901bde281c0 · 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-2026-000073007
StatusPUBLIC

Content hashes

Canonical texte429eceb99bff8bfcec1d2a528b7a356cd15c8d1333454739d7b87d047ab820c
Markdown866458cbde862cc9b6e32f57d7c0cb6a1eebfc933894c24965b867276d29638f
PDF
Publication page0da18e2b58525f54ae202f6862aaa6910b31861bef6ed03774a8b63e81a3c378
Manifest4308113c1582205611430e54364f377e982af8918d397c015d0627dc7baa00fd

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
Signature55RSeLUlLNHCtsMrKTcD8noZqgrwjELs6SGG5yCUBv85lOwu+SVwas7UG2n6aHQKLpdYIg3dZLnFUxpG3IP6DQ==
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

2026-09-17T10:21:56.563535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073007
observed 0da18e2b58525f54ae202f6862aaa691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.546848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073007/manifest.json
observed 4308113c1582205611430e54364f377e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.529508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073007/publication.md
observed 866458cbde862cc9b6e32f57d7c0cb6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.511429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073007/publication.txt
observed e429eceb99bff8bfcec1d2a528b7a356...
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.