OpenTechnical

OT-2026-000092302

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000092302) never changes.

Identity and time

Publication numberOT-2026-000092302 · never reused
Internal UUID01a0ae9d-875b-7314-8943-36fb4069bdc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092302
StatusPUBLIC

Content hashes

Canonical textb9fb12d5f8bd7372e1b61567d52d6af075fb681d9cda584785650362dc4590a1
Markdown2a04ebff1389c9715f75f40ad90b6dec71d632b4ba8ec014af104706d984788a
PDF
Publication page21bd9bd94b2fde9af0aa901290cbc16836b5ab2957720983fe3464c0c597a347
Manifest7206c5c3c8f8dfef6525e975abdfa97788a3a59a831fd982963071190fc17f08

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
SignatureKOCasALsMflHLqBnioFlf1/BajqgYUNKaRQmnqR4TnjzGukvAWrlpeYGU6/3saZKGlrQXG1oWnZcJ9+Jl6wxDw==
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

2026-09-17T09:41:45.899553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092302
observed 21bd9bd94b2fde9af0aa901290cbc168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.882999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092302/manifest.json
observed 7206c5c3c8f8dfef6525e975abdfa977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.865753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092302/publication.md
observed 2a04ebff1389c9715f75f40ad90b6dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.847352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092302/publication.txt
observed b9fb12d5f8bd7372e1b61567d52d6af0...
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.