OpenTechnical

OT-2026-000072213

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000072213) never changes.

Identity and time

Publication numberOT-2026-000072213 · never reused
Internal UUID01a0ae92-47c2-710d-a2af-ca7ca9e55889 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072213
StatusPUBLIC

Content hashes

Canonical textcacc612e8b42b09ec01faee24dd9027605a2194c7f3364bf27b83ec302be1c28
Markdown7aa806df090d495461bda505c858907b8b8225cac2fab68b9021d4beb3fab4d8
PDF
Publication page24eb200e5e0400d3fb666d9e56bf9e4686cbd8a9f063cdcb58b84f4304f3aea1
Manifestb6b12a423535cc9e4ac6448476f2f0301f3efbe4bb3aa119e913055d3572a3f0

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
Signature6QVoQOl6t2+tE7sQcUdS1mY2JXxoYloA3dMcAa8RB489FelMvrRAwKs7JQGYHSxOgjp6/gQ5ed9weWaSNIy7AA==
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

2026-09-17T10:23:18.915394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072213
observed 24eb200e5e0400d3fb666d9e56bf9e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.899256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072213/manifest.json
observed b6b12a423535cc9e4ac6448476f2f030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.883325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072213/publication.md
observed 7aa806df090d495461bda505c858907b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.867080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072213/publication.txt
observed cacc612e8b42b09ec01faee24dd90276...
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.