OpenTechnical

OT-2026-000013569

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000013569) never changes.

Identity and time

Publication numberOT-2026-000013569 · never reused
Internal UUID01a0ae6d-6fcb-723b-971b-34fc50b04aea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013569
StatusPUBLIC

Content hashes

Canonical text833e41fdc5d934e15c69dd44e7d2288e858d3bfe027ff94bf3bf5c928b3ae9c8
Markdownf719cb551b7a9eed0e9a85bfdf67d9b17b8039e29b4afbf92a2e5bb36e5dde78
PDF
Publication page6098a28db3a614ac41445dc8f4526fb79c07b2c43377276e51ededdca78cc234
Manifestd92ed36d47fd2e2c1fba57c170de7acf93b2ae12577c655f1242f9580777659a

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
SignaturemDov9lf75ux5N6t+zHFYr6K1Y7DCBaIxase+9XC07Q0/0bZRSx9NtW1MXTkQoml1T6unkLROUzH6uhtsIzz2DA==
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

2026-09-17T12:10:06.820787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013569
observed 6098a28db3a614ac41445dc8f4526fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.803336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013569/manifest.json
observed d92ed36d47fd2e2c1fba57c170de7acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.780481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013569/publication.md
observed f719cb551b7a9eed0e9a85bfdf67d9b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.757177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013569/publication.txt
observed 833e41fdc5d934e15c69dd44e7d2288e...
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.