OpenTechnical

OT-2026-000092218

Publication integrity record

Two cup vacuum gripper, two zone face, pump 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-2026-000092218) never changes.

Identity and time

Publication numberOT-2026-000092218 · never reused
Internal UUID01a0ae9d-875a-7787-bc9e-0f61e7d454c8 · 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-2026-000092218
StatusPUBLIC

Content hashes

Canonical textd2eb7e0a62f4ba7430fa671ad2d2f32a824ef46f064bf90ce24368c14f568da8
Markdownbf59f9a4a7cb799953608f332abef1c31ffdcf03afddfc4d4be4cdb9c6473589
PDF
Publication page1b4144e2e08e8118c88c840a6a09e9a42a614d6413f95b524db62adcdf677549
Manifest7ada39eceb9ac1b59696d4443a506c5e9c56e66b0afbfb3408d6bfd2f6d362da

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
SignatureRXsHl2s5NbEoGSHP8rcjCYBduUtZAXr7ha7dWLT7HxpD+JHISXnvFyffz+XBpjmrRElUAybL58lA/GnN9w+uBg==
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

2026-09-17T09:41:43.835189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092218
observed 1b4144e2e08e8118c88c840a6a09e9a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:43.816370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092218/manifest.json
observed 7ada39eceb9ac1b59696d4443a506c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:43.790136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092218/publication.md
observed bf59f9a4a7cb799953608f332abef1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:43.694807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092218/publication.txt
observed d2eb7e0a62f4ba7430fa671ad2d2f32a...
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.