OpenTechnical

OT-2026-000071775

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000071775) never changes.

Identity and time

Publication numberOT-2026-000071775 · never reused
Internal UUID01a0ae92-1e91-7991-a83a-acb7cf74b8ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071775
StatusPUBLIC

Content hashes

Canonical text9dc51fc31ab29b367bc9565a7964d3e0502f031ae5c918eef225f05ce4145216
Markdown9e05fc4a22434c02605f8d677e8a977ea74f841e5d76e43bd35506f3747a3b7a
PDF
Publication page75149f4944829f2bb0df9b7e06bfa789f257c359b6d1a2102d1d087e14d768f5
Manifestbb05a921b2689e3fd8fca64c391c157b05b918232374eb507c2378b778e526ce

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
SignatureK9Hv5LkTSXLIWI4ytvT/ZNWrbwwirH2o7bCkG4VgSYGh5IIx0G1vz9zeXBr6pz9vFzAzY5J6WiyfeoR9hhOTBw==
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

2026-09-17T10:23:56.296048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071775
observed 75149f4944829f2bb0df9b7e06bfa789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.277500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071775/manifest.json
observed bb05a921b2689e3fd8fca64c391c157b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.259160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071775/publication.md
observed 9e05fc4a22434c02605f8d677e8a977e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.241889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071775/publication.txt
observed 9dc51fc31ab29b367bc9565a7964d3e0...
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.