OpenTechnical

OT-2026-000032201

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000032201) never changes.

Identity and time

Publication numberOT-2026-000032201 · never reused
Internal UUID01a0ae74-f7a7-76f1-a85f-883fe02a7371 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032201
StatusPUBLIC

Content hashes

Canonical texte5b67faeccf09260be23ded682aa632278a64378f8d63aca9de276f4b68e3e85
Markdownfbe2e31a1afa94eeb81637c4530fa8791a067c9c71d7052150a1fced85f1fd80
PDF
Publication page27c3ea1a2121a4a11a834b6e8d38d9b72a1cd66d4dd1b30853349cf0c98eef74
Manifest7dd5e5d9537b16068364e9f84a6462593c57dbca7c6fb5466e83880149d16b38

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
Signature+r0D4VdDyyJAT8VF2Z4wA6rvSifNMEUdS/7ayaoZgSvarJw/tJWVoy+uJJed3MatMqWXryoWGxKW0MeWFNUaDA==
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

2026-09-17T11:34:32.794566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032201
observed 27c3ea1a2121a4a11a834b6e8d38d9b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.777029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032201/manifest.json
observed 7dd5e5d9537b16068364e9f84a646259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.760637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032201/publication.md
observed fbe2e31a1afa94eeb81637c4530fa879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.743792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032201/publication.txt
observed e5b67faeccf09260be23ded682aa6322...
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.