OpenTechnical

OT-2026-000075001

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three 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-2026-000075001) never changes.

Identity and time

Publication numberOT-2026-000075001 · never reused
Internal UUID01a0ae93-ac2d-7cb3-878b-df7a8bd1e426 · 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-2026-000075001
StatusPUBLIC

Content hashes

Canonical textf4a0156dbe286711ea3269c4c7557debcddb93b1c712f552dfb13790783374cf
Markdownf4410a86c043f381aa3008fad5ce5cdacb4840c9c97e51d8e7d6c426c91ed125
PDF
Publication pageb538680ac86b6a84c6be2163679b96701c3ccdb8f8e2541a3b8eabd832de4b0d
Manifesta423fb6c9b5fcb4797f78124a12d33644aa9eacbba0dd7847f8316561a2a547a

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
SignatureObz5dQ8JtoBTcrUA3GlcMLGNxsmOVbvD9oKczn7FLve6sBM1SLpLhy8O3Wwu51c3fAXNmfVbK+nbleB9Fkz9DQ==
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

2026-09-17T10:18:48.582116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075001
observed b538680ac86b6a84c6be2163679b9670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.564198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075001/manifest.json
observed a423fb6c9b5fcb4797f78124a12d3364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.546584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075001/publication.md
observed f4410a86c043f381aa3008fad5ce5cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.527749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075001/publication.txt
observed f4a0156dbe286711ea3269c4c7557deb...
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.