OpenTechnical

OT-2026-000012045

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000012045) never changes.

Identity and time

Publication numberOT-2026-000012045 · never reused
Internal UUID01a0ae6d-1943-793e-89f7-ddbe2d08088f · 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-2026-000012045
StatusPUBLIC

Content hashes

Canonical textdef0370e9d200a0d6def15e9de7c2dd64fbc259a18dcac2498063f420a0ab70c
Markdown35b48d521308ee7110617e27b80ec9d73bc6e6de32b631cb226f5a90bd24ec0e
PDF
Publication page45c5388850328b458055114ab0f5e12540b9f50bb2086c2d7b3395beb36e3642
Manifest8a8989d1bcd7e9c47c53c16eda98c4f2c786aa58bfa0246d33076dbb449da528

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
SignatureQ5L2kQbcA9k5ECv7KU+2h+DArFa/jbKbYrtjHSdBlN+UdW7NURHQ85RbBBoL8mE66JukNBTZ0oabCnt8mBeVBQ==
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

2026-09-17T12:12:10.741329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012045
observed 45c5388850328b458055114ab0f5e125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.725122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012045/manifest.json
observed 8a8989d1bcd7e9c47c53c16eda98c4f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.701535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012045/publication.md
observed 35b48d521308ee7110617e27b80ec9d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.679260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012045/publication.txt
observed def0370e9d200a0d6def15e9de7c2dd6...
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.