OpenTechnical

OT-2026-000013103

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down

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-2026-000013103) never changes.

Identity and time

Publication numberOT-2026-000013103 · never reused
Internal UUID01a0ae6d-5565-79b8-84b9-0b82b48b54a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013103
StatusPUBLIC

Content hashes

Canonical textd9ff11a0858fe49625b45dcc558e4aadb19ecd2fe92035ff1f6706db9d438287
Markdown23d43e8fecb350892f1fb20db047926fa5bd09719c2bdc44a3545d0ac0aa605b
PDF
Publication page2bade1b7aa1a9aa6ac4c29c32a26129ca67fafd8c6a0bb4762e14f585060b2a4
Manifeste9059efc57ed98e40cb1a083bdde796af7c3cc03924fe1dda24d0cba6803eb7b

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
Signaturen2JoTFY0uM5so8DWgC8WYB6E9jkrzbp1aJzrKt6fKC0VBGXRCLe5MFDOgcN+sx3jzwDPyd0wYOS+0OASIsE8Cw==
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

2026-09-17T12:10:57.334652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013103
observed 2bade1b7aa1a9aa6ac4c29c32a26129c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.317108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013103/manifest.json
observed e9059efc57ed98e40cb1a083bdde796a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.300396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013103/publication.md
observed 23d43e8fecb350892f1fb20db047926f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.282203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013103/publication.txt
observed d9ff11a0858fe49625b45dcc558e4aad...
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.