OpenTechnical

OT-2026-000015730

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single 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-2026-000015730) never changes.

Identity and time

Publication numberOT-2026-000015730 · never reused
Internal UUID01a0ae6e-0c4b-7791-ac18-61c141ebc8ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015730
StatusPUBLIC

Content hashes

Canonical text3afb7c3ffd96c2401629689a055b4757d5ef04f466fc190c46fd75427f70f3a2
Markdown8c974d25ce3f937ce419f2c96d48062ffdd19fb5110e4de1dfb8a6c320626972
PDF
Publication page348f2407431a4d465249991bec6e7fc09b64e7403a299da43cc085eb64081638
Manifest011ac6a7ae3c48e6c9bdd4b3fd2aa50330bd0868c1ce2961b290490129c985e1

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
SignaturegzNndnqilwSvhVTAWmgjua2zAVLcihEbvX38N8rWR7JIcPhfv4G6RK0qm8K9Gz9HlVvV85YIfirBMV0+JT4RCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:00.997936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015730
observed 348f2407431a4d465249991bec6e7fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.980421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015730/manifest.json
observed 011ac6a7ae3c48e6c9bdd4b3fd2aa503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.961349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015730/publication.md
observed 8c974d25ce3f937ce419f2c96d48062f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.942737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015730/publication.txt
observed 3afb7c3ffd96c2401629689a055b4757...
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.