OpenTechnical

OT-2026-000084487

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000084487) never changes.

Identity and time

Publication numberOT-2026-000084487 · never reused
Internal UUID01a0ae98-5b63-7200-b03d-08bda9dd6265 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084487
StatusPUBLIC

Content hashes

Canonical text7a3c9a704adc66888cd401268bec02c6ad734c9323933019b4b7b1c4b079655a
Markdown07563c45b8efc25546b322455fa868dcec8c3ef4b340ccfdf3eb16a38fc92ecb
PDF
Publication page74dd3f55ec50855406ef0b7c064076fce179c593f3eec51fe7ff0c40666e8fe9
Manifest3ce12948073abc479cf0cbd09fcf024b7e42ce2a75fe2b28d6c286742ab44587

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+M3xSxXjEFwkd2HnTFwSS2iY8hlC0wutNgLg4Ws87SYkyc+G8IllZKSHXh8mtnh9JdJwt4Q8HNzoMlmCzdMZDw==
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

2026-09-17T09:56:27.348806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084487
observed 74dd3f55ec50855406ef0b7c064076fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.331182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084487/manifest.json
observed 3ce12948073abc479cf0cbd09fcf024b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.313565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084487/publication.md
observed 07563c45b8efc25546b322455fa868dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.296401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084487/publication.txt
observed 7a3c9a704adc66888cd401268bec02c6...
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.