OpenTechnical

OT-2026-000083458

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000083458) never changes.

Identity and time

Publication numberOT-2026-000083458 · never reused
Internal UUID01a0ae97-c965-7fdb-8985-4e2c4c37d8cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083458
StatusPUBLIC

Content hashes

Canonical texteb99865b5af6fbe0fff5f2be3f68f0aa9665bb01527fc95b4700701ceb52e92a
Markdown8b1be591526e4b3c498bae15cc7c3399644e9d2246e648ef8856776f11f65854
PDF
Publication pagebf4e4cdcfeb647edc8267c5157e3fe7b3af50316943d80fb595ded36a8dbde6f
Manifestf764603b229cf35100b153cbfd1f5a3f896472f3d0cae13e310ad2c662e4b4a4

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
SignatureVHIlUsgLIUuVijYm6eG14WMIA3NKc/1sgjOLIoCAQ4VqFeQXF0adwfG2VIR2mwg/YF6PSpQYSN1kwT51iqv9Bw==
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

2026-09-17T09:57:52.696357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083458
observed bf4e4cdcfeb647edc8267c5157e3fe7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.678904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083458/manifest.json
observed f764603b229cf35100b153cbfd1f5a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.662326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083458/publication.md
observed 8b1be591526e4b3c498bae15cc7c3399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.643969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083458/publication.txt
observed eb99865b5af6fbe0fff5f2be3f68f0aa...
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.