OpenTechnical

OT-2026-000097711

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000097711) never changes.

Identity and time

Publication numberOT-2026-000097711 · never reused
Internal UUID01a0aea1-92f5-7612-88bc-2cde685c808f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097711
StatusPUBLIC

Content hashes

Canonical textff90af0aa4a78e6468c35b4e7ac60ced324af62af293ccbccc31420db1ee0cb9
Markdown8f48745f17e708bc7d38dedfbefeabf9929f6e488b1750f035dfa575d13917bc
PDF
Publication page3bd5289fff8b65686f805e6e776364881bd25ffa5904913b0580e6cd37a64d85
Manifestbf2eef952eaeba8c0ac8d7019ec7277782f63ee75988311dda7f610344ef2231

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
Signature/AQc1Wz7CG8VW3m5fQLJU6+miP0jsdOkXaUvXHggckQrAIWnfYTve9JwjKDSiZXUQmtNx13u+LbnV3/y1HCrDQ==
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

2026-09-17T09:32:44.390613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097711
observed 3bd5289fff8b65686f805e6e77636488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.371689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097711/manifest.json
observed bf2eef952eaeba8c0ac8d7019ec72777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.355669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097711/publication.md
observed 8f48745f17e708bc7d38dedfbefeabf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.338102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097711/publication.txt
observed ff90af0aa4a78e6468c35b4e7ac60ced...
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.