OpenTechnical

OT-2026-000074831

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold 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-2026-000074831) never changes.

Identity and time

Publication numberOT-2026-000074831 · never reused
Internal UUID01a0ae93-ac2c-7cf7-8331-936fa649ef3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074831
StatusPUBLIC

Content hashes

Canonical text6f8ce7da4ce04b96952e03e5154a01ccac62e93cb5d75cae2264e28a9fa2ce75
Markdowne6e21d235bff12457542ee604a03e876c895761f9f7f801877f33bf18075449d
PDF
Publication pagec72e9e933fce0c245a1a1cfc48b8bd65cb4fc5224242ab69d31587efcfea3007
Manifestba8a8d138a1373bb9823583c1044fe9a5ad667760b71611f9c52bfb3ca804b82

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
SignatureBay1pDQ9JW0K+Sc69+YavOq/5yCJV57ItE03eEZbb7C6OlfUW83hzQAwbjdS6TBplZmCrV2mNksIqxFfM6lbBQ==
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

2026-09-17T10:18:05.802013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074831
observed c72e9e933fce0c245a1a1cfc48b8bd65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:05.782128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074831/manifest.json
observed ba8a8d138a1373bb9823583c1044fe9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:05.697626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074831/publication.md
observed e6e21d235bff12457542ee604a03e876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:05.519764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074831/publication.txt
observed 6f8ce7da4ce04b96952e03e5154a01cc...
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.