OpenTechnical

OT-2026-000101371

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000101371) never changes.

Identity and time

Publication numberOT-2026-000101371 · never reused
Internal UUID01a0aea3-c379-76a8-a869-2dd2776b6eee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101371
StatusPUBLIC

Content hashes

Canonical texteb70bda6745236090a81c3012ae802d2381059bc711102147ad66c941c0e7430
Markdown5650d8d829b08c334b993cac3f1ab181dc46927e4c4a0c347524e8c13fa992e9
PDF
Publication page6807beef108b11df9db527a1fc553a3126ede188e0b7d795ef904ffd7259618e
Manifest8f218e72d14e262e9cb409208c5739128264b19ae9db035054c23fb8f3e56572

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
SignatureBEO2t/NEHaVzuaiTpNDHlZaaXgNdRO3lrT/gecjffLh3O3WbfREJ94JV/Ies5kkIESvSWA5YUiz9pSBoJjoxBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:05.427814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101371
observed 6807beef108b11df9db527a1fc553a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:05.410020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101371/manifest.json
observed 8f218e72d14e262e9cb409208c573912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:05.393267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101371/publication.md
observed 5650d8d829b08c334b993cac3f1ab181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:05.375622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101371/publication.txt
observed eb70bda6745236090a81c3012ae802d2...
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.