OpenTechnical

OT-2026-000104274

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000104274) never changes.

Identity and time

Publication numberOT-2026-000104274 · never reused
Internal UUID01a0aea5-3420-7b6b-bd0c-d3c8b8f3b756 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104274
StatusPUBLIC

Content hashes

Canonical textf3821eed269b2d9f00150a68909b57c1dd646dd05d6a435fe151ec428b5127e8
Markdownd27dee74ce65973e423eba0a1e3f9dfd70ed7de0a53539f9b035d8aaa4cc6bb7
PDF
Publication page5256ffe943ba6b0c88991645b425f6c9d5ca5427aa8288ffd555574a34412c3a
Manifest89299539bbdeab12ffd586854403459f66e654d9a77fee1cc87cfea180b42c8a

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
SignatureXW/DLMrdPilbY7lxkSqySdEHTgPZYgy1tZyblsI3YReTCzUM81qSAe1v7rk7JG9nng5LNG8WuwNAMr9LouynAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:23.393453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104274
observed 5256ffe943ba6b0c88991645b425f6c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.374249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104274/manifest.json
observed 89299539bbdeab12ffd586854403459f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.356986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104274/publication.md
observed d27dee74ce65973e423eba0a1e3f9dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.339633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104274/publication.txt
observed f3821eed269b2d9f00150a68909b57c1...
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.