OpenTechnical

OT-2026-000011770

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, pulsed 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-2026-000011770) never changes.

Identity and time

Publication numberOT-2026-000011770 · never reused
Internal UUID01a0ae6d-1941-730d-9dbb-c711b02dbe74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011770
StatusPUBLIC

Content hashes

Canonical text4a350717675da675de01d7d3b9d36cf5ea7f16e8eb96ebea979ec6040e86c1cf
Markdown0777dd19fe72ed21c79d8b8c8c54b34865db20dd8feee968d9baacb5d9dfb0eb
PDF
Publication page499c19c468f3733897c05eefab581f612d30af84d27d0203fc60b1ec3cc6b2eb
Manifestfa0c4f58c53f18739eec3e2a7aa87f48e4480829ab91a5b71b1c5d92dba524fe

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
Signature7MrJF6ZAtEyylKnKjZ5+5L3SHPj5KwnZxXmooCtSpy1wf+pSJo3uU4/cR4uSfJyaPS7N2yo1rzDkADtY+HouDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:29.065933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011770
observed 499c19c468f3733897c05eefab581f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:29.045461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011770/manifest.json
observed fa0c4f58c53f18739eec3e2a7aa87f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:29.026512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011770/publication.md
observed 0777dd19fe72ed21c79d8b8c8c54b348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:29.007653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011770/publication.txt
observed 4a350717675da675de01d7d3b9d36cf5...
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.