OpenTechnical

OT-2026-000003685

Publication integrity record

Bellows cup vacuum gripper, three zone face, two outlet manifold, ejector fed, pressure verified

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-2026-000003685) never changes.

Identity and time

Publication numberOT-2026-000003685 · never reused
Internal UUID01a0a90a-bd9d-7883-a0d4-20fcc8b6c3eb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:28.543895Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003685
StatusPUBLIC

Content hashes

Canonical text81bdbc7d7b82916c5a0d31acc4b15f6ccc0359c6dc8d0cceaa841597d4da5d8b
Markdown2529f9d72ef9903f764c6ee2e3308fb429205ddd66eeb4e285c886d2ea604b53
PDF
Publication page544bb44f395a868d56410c651a173a4f9d91f5019c5ac5750400502e40b61c94
Manifest00ce9c5024446023d721e805774b53c2b1ed0990f4de9ed4054870b8c6f87010

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
Signature8Cgfx1vQ8xZcJq92M7HPf8a3yFtkgpY7CWhSCEyyikWxKpg5EFCF0CyB1ws676vrbICEMyQTv0sQd4BBjLMeCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:10:35.438765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003685
observed 544bb44f395a868d56410c651a173a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:35.421860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003685/manifest.json
observed 00ce9c5024446023d721e805774b53c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:35.407804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003685/publication.md
observed 2529f9d72ef9903f764c6ee2e3308fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:35.392789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003685/publication.txt
observed 81bdbc7d7b82916c5a0d31acc4b15f6c...
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.