OpenTechnical

OT-2026-000064230

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000064230) never changes.

Identity and time

Publication numberOT-2026-000064230 · never reused
Internal UUID01a0ae8d-a460-7118-9a70-0cd31f8f67a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064230
StatusPUBLIC

Content hashes

Canonical texta4e0af0586f361d3b45fc8597bed3537134b4a3708bcecb63731a8a60816fcce
Markdowne29338d4f3a8c4b3fdda6b68441c5bb8ffd8691367d50bc7b79937350473f175
PDF
Publication pagedad8621ace923b31285ea59976f55c22722f84fa546f4a11ad0421ae8977e737
Manifest2c924e17051d9dbb8b2a9410b7a7a555802c38a7204789416aa550359bf34453

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
SignaturegIb6oGZGBYkDmrzQjj4ro/PAhDHWJocQvDVgnQZM4AwY+onIlfX4KNE8jH0msAjh/ep8YCZ3STwpW4R1GBRkAg==
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

2026-09-17T10:36:21.351088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064230
observed dad8621ace923b31285ea59976f55c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.334944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064230/manifest.json
observed 2c924e17051d9dbb8b2a9410b7a7a555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.319098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064230/publication.md
observed e29338d4f3a8c4b3fdda6b68441c5bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.300947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064230/publication.txt
observed a4e0af0586f361d3b45fc8597bed3537...
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.