OpenTechnical

OT-2026-000068444

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000068444) never changes.

Identity and time

Publication numberOT-2026-000068444 · never reused
Internal UUID01a0ae90-2481-764d-85b4-22c947ca6030 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068444
StatusPUBLIC

Content hashes

Canonical texte1ef16aff1c8d0070b8a676884b6ed2f56bab8e5ca7c7337dd47a662a03dc50c
Markdown5c2aa6bb81382ddbc4ee838c9014c011ae684a54f959eb2044e23907ed4f2173
PDF
Publication pagec3778c117d87937bcdf123adbe09687aee8d5b76465f8b1c22d2dcdcf36b02ee
Manifest85007ae2d2b0a6c1fab546a0446655be2cf936efd8f90bab1fa67a6b877752b7

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
Signaturehla96cynkWqJuHeUoTJzZ77FyOrDWB/ULjvqES2m1Y560cPjovuxDL7qZEfeu2GmYWAB3bDgGgkk7T1q4lciCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:35.375065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068444
observed c3778c117d87937bcdf123adbe09687a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.357999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068444/manifest.json
observed 85007ae2d2b0a6c1fab546a0446655be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.340576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068444/publication.md
observed 5c2aa6bb81382ddbc4ee838c9014c011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.321558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068444/publication.txt
observed e1ef16aff1c8d0070b8a676884b6ed2f...
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.