OpenTechnical

OT-2026-000074137

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000074137) never changes.

Identity and time

Publication numberOT-2026-000074137 · never reused
Internal UUID01a0ae93-7177-7dfa-823f-d2d4e9c10563 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074137
StatusPUBLIC

Content hashes

Canonical text356bcc9b219c6df8ba40dd5f162a2b083e24f8c761eea8bd9efc7c13a3f06c7b
Markdown20e5cffcfde962d9c213de72b77355bb4cb1e0a07f2f6280b5456a6eaedb1fb4
PDF
Publication page2a94fbddec9901efc45b0a486840b458690ee1e54a4bd983d89ca070fa856fb0
Manifest62c6f18d0727cd9238949b95cf17b9ee303cc311fce3eee98137ac48555a2478

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
SignaturebhI1xgMO9SiN2oT1nofiQvsIVrr14wfbXWjw7n7yRk+qe3Ih5VAl6Wy3zHHU6xBaaNz7xF1mr1/8WH+V2t3ABg==
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

2026-09-17T10:18:58.834485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074137
observed 2a94fbddec9901efc45b0a486840b458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.816740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074137/manifest.json
observed 62c6f18d0727cd9238949b95cf17b9ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.798408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074137/publication.md
observed 20e5cffcfde962d9c213de72b77355bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.781619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074137/publication.txt
observed 356bcc9b219c6df8ba40dd5f162a2b08...
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.