OpenTechnical

OT-2026-000009857

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000009857) never changes.

Identity and time

Publication numberOT-2026-000009857 · never reused
Internal UUID01a0ae6b-cb78-7619-b7ff-8165daddf8a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009857
StatusPUBLIC

Content hashes

Canonical textc5fa32e2f1a6cbba997997046c506d174826245a15372d290dc2a127b1af4cf7
Markdownfa659cc0de73c12d8ade2a297d0986ba6302f93d92b0c6b4de44429c3983c9ed
PDF
Publication pageaacace888563658eef483c926552e2ee692c3b9ba277d37f1889db9c0aee083d
Manifest5f4d954009fb62748aebfd94013df40d067115a6fc9d2adbea353554fca879dd

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
SignatureQHBMZI/9aEt15/s55dlJcCD+kjXtiIU0cr6d6MMS8ZlE5vkxeUEuU9cLFM282+WVQLyLfOaC8zwEghTaDd/UAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:51.428020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009857
observed aacace888563658eef483c926552e2ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.408671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009857/manifest.json
observed 5f4d954009fb62748aebfd94013df40d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.389312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009857/publication.md
observed fa659cc0de73c12d8ade2a297d0986ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.367496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009857/publication.txt
observed c5fa32e2f1a6cbba997997046c506d17...
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.