OpenTechnical

OT-2026-000074510

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented before 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-2026-000074510) never changes.

Identity and time

Publication numberOT-2026-000074510 · never reused
Internal UUID01a0ae93-717b-74c0-a38b-aa1bff61009f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074510
StatusPUBLIC

Content hashes

Canonical texta0a3c18323078b4f3d16a7ad8c9865d0457d0cfcc8ec537937f3136948a462a4
Markdown208d633a9585edb650fef66f05d27ea0c43951703ccc52ed434d0efb8a845921
PDF
Publication page9d8218f638ba51775f4616b634cca807da6c5b55089972fd00f342e51fa51627
Manifest13b302970c17bf2c8615e6aa103b65570c7fa645ca8886cbd4ff28fb0ad77b57

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
SignatureUWgoTl7Hj0EhE55hwb8pJJ4TIUmw53MxTYC6gQBneqh1UVV31s4HkPrNI3uT+QfkFsmz8U+VlsybEHoExYUABg==
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

2026-09-17T10:19:29.025617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074510
observed 9d8218f638ba51775f4616b634cca807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:29.000817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074510/manifest.json
observed 13b302970c17bf2c8615e6aa103b6557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.981985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074510/publication.md
observed 208d633a9585edb650fef66f05d27ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.963706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074510/publication.txt
observed a0a3c18323078b4f3d16a7ad8c9865d0...
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.