OpenTechnical

OT-2026-000067391

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000067391) never changes.

Identity and time

Publication numberOT-2026-000067391 · never reused
Internal UUID01a0ae8f-6bd8-7ba7-9d46-725fc6302a88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067391
StatusPUBLIC

Content hashes

Canonical textdfb599227ecc507455c94b2544992a4ebcb2a654a2e945e80afa57096d961334
Markdown56cccd01aba780e83ba6adec31f1565924d751b86433c7605180822f05d3a0cf
PDF
Publication pagea6901ffe3907871b6b8bf7845f5cb843b9d9c15e8e2008a513e4448e404203ba
Manifest9618793adad55fba5d3b0d341fcff4e80fb61eb479aa9d8bb14068671d0dcc55

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/2X6yGOUX6wdHwSWeoQSUuGHOWaTeUk++YrgTvsD0LAgaKbAzZFEOFxXNspHGprtoQb8CVBPLD82JEUgNkisDg==
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

2026-09-17T10:31:34.979014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067391
observed a6901ffe3907871b6b8bf7845f5cb843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:34.961761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067391/manifest.json
observed 9618793adad55fba5d3b0d341fcff4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:34.943700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067391/publication.md
observed 56cccd01aba780e83ba6adec31f15659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:34.925968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067391/publication.txt
observed dfb599227ecc507455c94b2544992a4e...
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.