OpenTechnical

OT-2026-000015300

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000015300) never changes.

Identity and time

Publication numberOT-2026-000015300 · never reused
Internal UUID01a0ae6d-ef48-7ee8-a932-d7f82d2cd540 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015300
StatusPUBLIC

Content hashes

Canonical text40e43191c3664cb65d51c504050bb574f93b5cc40d39dc22aa59f200e18f41cd
Markdowncd9e23b846581cbeeddea4576e0e685188b39713f2958ad9ad2d496b00ab3e1c
PDF
Publication pagec8ebfd0414b79f37223ba5ea95cf0fed05d989bd7e54ab9530fd0da325022ec8
Manifest230906932ba021a2287393bd7da4a548fd66dfd94f12759d8e9c2db535cada40

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
SignatureRHNnvD1n9eZh10hTU6/qGBOYrI3Eqq+UbXrADrG5hm8SlD/byD0iFhTJFNQDCcnTpecy/fB240CrEEHolJgqDQ==
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

2026-09-17T12:05:59.365305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015300
observed c8ebfd0414b79f37223ba5ea95cf0fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.342916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015300/manifest.json
observed 230906932ba021a2287393bd7da4a548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.323758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015300/publication.md
observed cd9e23b846581cbeeddea4576e0e6851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.304403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015300/publication.txt
observed 40e43191c3664cb65d51c504050bb574...
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.