OpenTechnical

OT-2026-000062197

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000062197) never changes.

Identity and time

Publication numberOT-2026-000062197 · never reused
Internal UUID01a0ae8c-0abd-7483-90da-eb9d02164c74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062197
StatusPUBLIC

Content hashes

Canonical text3f8876d6806829017b1c99d894c1ecd37c67323862dca75b76b2d40f3f7f94a4
Markdownddbf753ba4aa244a86d90f273f171dbc9f24ea8fa33ec34d5993c815a0ef2904
PDF
Publication pagec54d31032c9040ac09cef0799997a9171c1811b82b9a1ff68a0fbf991d7f687a
Manifest73ff783d7ebf09b6e3fa596f3c2685ea4c0bf60b3d31adce08c021a5cf2631a5

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
SignatureFfNq+Fx28AsmBb3T7YHW5sN7buBTY3NbglGGKzw3p+z8yAUF44UxU/jb9pvv+AeCqCTSHpNK1fC/pPBFxIBnBg==
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

2026-09-17T10:39:27.715408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062197
observed c54d31032c9040ac09cef0799997a917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:27.695611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062197/manifest.json
observed 73ff783d7ebf09b6e3fa596f3c2685ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:27.674512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062197/publication.md
observed ddbf753ba4aa244a86d90f273f171dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:27.653954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062197/publication.txt
observed 3f8876d6806829017b1c99d894c1ecd3...
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.