OpenTechnical

OT-2026-000095640

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000095640) never changes.

Identity and time

Publication numberOT-2026-000095640 · never reused
Internal UUID01a0ae9f-fac4-7c40-b7b3-655c72e16a8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095640
StatusPUBLIC

Content hashes

Canonical textc8574c45c93950e234a623b59b6412347f42881d71f8b3038d563f021947fcd6
Markdown019872e366d659358412c71e2ce66395b49cb16b0f72efa29b843a93a566f60e
PDF
Publication page7d4beebe31a68a1c4e1a8ea38eeacb001f1d92a26e800c55dafb5b5ecfba2ccb
Manifest2c2b8f05acf04eaaebbede8af1af93fc94cdf68adef8e22c92e6462afb6b41e7

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
SignatureEU6U1X6ZbBkpzuczbRtYFjCPIVjXCIKyGmcg3ZklOx7NKabhIamxgzTN8vU52aCyijhzF2U1VbnyB9IIMBZMAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:06.342981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095640
observed 7d4beebe31a68a1c4e1a8ea38eeacb00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.324704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095640/manifest.json
observed 2c2b8f05acf04eaaebbede8af1af93fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.306093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095640/publication.md
observed 019872e366d659358412c71e2ce66395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.286781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095640/publication.txt
observed c8574c45c93950e234a623b59b641234...
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.