OpenTechnical

OT-2026-000097317

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000097317) never changes.

Identity and time

Publication numberOT-2026-000097317 · never reused
Internal UUID01a0aea1-01cb-7839-9770-5c22a6e00e2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097317
StatusPUBLIC

Content hashes

Canonical textb7a0051197965fdfd3e5f9960e320639d1ca41075f1360b7570b530ccd48490e
Markdown7d20c12a307dd9177c4f5236d40ee5093b9065a4a169ae754c03a9a8638a9254
PDF
Publication pagee3c93a5536c66f4a8ceca16dd7d4d26fde4d9603798c773a61ba96d15f9dae81
Manifest2f57eb6f5ac33f74d76acfba8f165457119f432eb00f3f78f93d7571ff5c15b8

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
Signature9ZNYDOReyz0oTMfB6BJ8kQ9GLKE+hAAtLgdTMarUE0Ft4jSwmuzDCUmciS3coyGkzUzBZkXDuoMUR7mEd/ZaBg==
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

2026-09-17T09:33:34.779609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097317
observed e3c93a5536c66f4a8ceca16dd7d4d26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.763325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097317/manifest.json
observed 2f57eb6f5ac33f74d76acfba8f165457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.747499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097317/publication.md
observed 7d20c12a307dd9177c4f5236d40ee509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.732185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097317/publication.txt
observed b7a0051197965fdfd3e5f9960e320639...
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.