OpenTechnical

OT-2026-000083427

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, sustained blow-off before set-down

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-2026-000083427) never changes.

Identity and time

Publication numberOT-2026-000083427 · never reused
Internal UUID01a0ae97-c964-78e3-8cce-c2ce52f9c934 · 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-2026-000083427
StatusPUBLIC

Content hashes

Canonical text7ba1b875d5bccac61c27d685b73cc0e7a7a60a60dbcfd2eb8042391ceca4ce33
Markdown32646673a67e5ef2eed2f218bd880ff2ff9d1a14037558409ffd2b8eb1627c55
PDF
Publication page05d59a293545725952ce46b3e71af9acd47eb2d841a8080dec23adaf228ac0f1
Manifest72ac9728c61cc40e68a1c7f801564eff917134fb63ca2c08240e02c51ff7c823

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
Signature21qbJCbw+1sHJXjiuAmN7TuwgmloX4UHpDEmJ7xn7jcT3IGVxCvBRQNxMkXgqoF5MsANAWI/9XQtm49wJaBhDg==
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

2026-09-17T09:57:50.568784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083427
observed 05d59a293545725952ce46b3e71af9ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.549611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083427/manifest.json
observed 72ac9728c61cc40e68a1c7f801564eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.530843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083427/publication.md
observed 32646673a67e5ef2eed2f218bd880ff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.513009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083427/publication.txt
observed 7ba1b875d5bccac61c27d685b73cc0e7...
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.