OpenTechnical

OT-2026-000083147

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000083147) never changes.

Identity and time

Publication numberOT-2026-000083147 · never reused
Internal UUID01a0ae97-c962-73c4-a2c7-0180f8f7ca51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083147
StatusPUBLIC

Content hashes

Canonical texte66627933ef15addfdefd6207ceacc98dc45e355f93201578449a4d196074a69
Markdown549c3bb1c8ec7408f1ed1f3883939e563f332f8d4d2ef595ff08e507ef69216d
PDF
Publication pagee636926ccf0a0548975cbc7168125f23486a2a2ee9fdcc32422e748bb580f879
Manifest68292a1f73f29a6511cc653b0b788aed91ca2b92de076c62975af7471ad8d7cc

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
SignatureMrIOr6X3VDagXFOu9NcA0tOfkg8G9aHnsOkAuS73JkCThqH4dITVjCIhK6+k3fwh9LL3XG5yE7FDC1v5XAXTBA==
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

2026-09-17T09:00:50.863361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083147
observed e636926ccf0a0548975cbc7168125f23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:50.384144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083147/manifest.json
observed 68292a1f73f29a6511cc653b0b788aed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:50.344827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083147/publication.md
observed 549c3bb1c8ec7408f1ed1f3883939e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:49.889846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083147/publication.txt
observed e66627933ef15addfdefd6207ceacc98...
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.