OpenTechnical

OT-2026-000063412

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000063412) never changes.

Identity and time

Publication numberOT-2026-000063412 · never reused
Internal UUID01a0ae8c-f944-7c96-a058-f92ca8eded36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063412
StatusPUBLIC

Content hashes

Canonical text88e168e0b3b414b99cefa2dc58b23884c83bd7b8cee90715286c9e46954c7624
Markdownd48396ab70c5b78702cba1eb2532859b428a40e3dfd4f1bf502d9c85db0e3f10
PDF
Publication page61b199eca94ce85eb51789fd0bdc4d3a848f433769cc4c0dacee7c0db557b5f2
Manifest7f94c7760e73acdca2aeff60221b3e61571df2f8bb0a53200816349bc8fd6d4a

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
Signature03Fp6EHCMsFo/S2FwNWE78JDZUyvX569NLIsd6xEA36+HVkwZPdrg4HTlc0PdXO+CdoRnELta5MRrtfRPP3WCw==
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

2026-09-17T10:37:19.946622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063412
observed 61b199eca94ce85eb51789fd0bdc4d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.930205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063412/manifest.json
observed 7f94c7760e73acdca2aeff60221b3e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.914390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063412/publication.md
observed d48396ab70c5b78702cba1eb2532859b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.898116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063412/publication.txt
observed 88e168e0b3b414b99cefa2dc58b23884...
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.