OpenTechnical

OT-2026-000088292

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000088292) never changes.

Identity and time

Publication numberOT-2026-000088292 · never reused
Internal UUID01a0ae9b-5d26-7642-b490-246f270ea7ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088292
StatusPUBLIC

Content hashes

Canonical textace87b85057fa29193140db45e0ef01b52d31297d55aa7748ec0895a1b569ae7
Markdownb6fc98f9bf6cb6a3b5b2d6aa7d9f692d4709c87cb335627a23d54bff8d3cbb6b
PDF
Publication page1fd44fd0a6dcea7c394f379ccd71eaee88517f48aace08a937e7e6153ab3764a
Manifest0a3e66c2da2cdb567decc8bd7a81f0d35eb089eb77e309c9c596f1faec9755da

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
SignatureEu3qAZFRqw7eGgYtwIPoDSFR/nNOkg2yL4NcZtGLhwqOueWTXE7g74/QZt4tsM2yOwXDfqlQbvEsDNvT+xeZAQ==
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

2026-09-17T09:48:37.432536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088292
observed 1fd44fd0a6dcea7c394f379ccd71eaee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.414171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088292/manifest.json
observed 0a3e66c2da2cdb567decc8bd7a81f0d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.397103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088292/publication.md
observed b6fc98f9bf6cb6a3b5b2d6aa7d9f692d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.379036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088292/publication.txt
observed ace87b85057fa29193140db45e0ef01b...
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.