OpenTechnical

OT-2026-000038523

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038523) never changes.

Identity and time

Publication numberOT-2026-000038523 · never reused
Internal UUID01a0ae78-2d53-7820-acc0-c2ff3f64475a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038523
StatusPUBLIC

Content hashes

Canonical textb5f9358c81529ea3e44e5a100787ac7f2294a2afbdd3a46277d876484879b12a
Markdown83f2871fa41c431048e7af843a89fc574535083bb1b55d97fb782928994f4c0d
PDF
Publication paged72e8d9de7c8987bd3638b14629925096435ddc88e3550b1e67a3ee6e745812f
Manifestb423703f0351a89829d2ddf7af533b9ececa7ee850b822cf8e1daaa0268b56be

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
Signaturep50HQfRgv7relHC6vSSB8/3P8k3jHY0jgnYG46TbUBtso0i5YpKfGSFy3Zp0K2ajzRawsNkbLpBDyVuZgZK1Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:46.690290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038523
observed d72e8d9de7c8987bd3638b1462992509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:46.674146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038523/manifest.json
observed b423703f0351a89829d2ddf7af533b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:46.657840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038523/publication.md
observed 83f2871fa41c431048e7af843a89fc57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:46.637873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038523/publication.txt
observed b5f9358c81529ea3e44e5a100787ac7f...
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.