OpenTechnical

OT-2026-000041742

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000041742) never changes.

Identity and time

Publication numberOT-2026-000041742 · never reused
Internal UUID01a0ae79-e8a1-79c7-ab4d-f63c7b88b1ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041742
StatusPUBLIC

Content hashes

Canonical texte2774d841b79065bb49e00bb759c421271ba93cb9d465bb5fe044288467a8c74
Markdown06c78c013028f2462e97dba8695530d87f8bcd46f3e08f0da0de16b221b74e0c
PDF
Publication page2a36c832d41bc38b317d05e2d8201bd77724f1a3def4aa51af12d4d81a6cea9f
Manifestc3340568572f0ef4ceab364aec0b7cf0a40572ca0f27893593244ba1320c4d09

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
SignatureCJk6sp+GN9z9hbJzYDiBUo8d0VI4fZuN4Ut2ouPm30nZA/6ziKzMdq4LUMoRcHjmvj2FDabKCEwQbkuazK0PCQ==
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

2026-09-17T11:16:35.115624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041742
observed 2a36c832d41bc38b317d05e2d8201bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.099914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041742/manifest.json
observed c3340568572f0ef4ceab364aec0b7cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.083184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041742/publication.md
observed 06c78c013028f2462e97dba8695530d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.066628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041742/publication.txt
observed e2774d841b79065bb49e00bb759c4212...
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.