OpenTechnical

OT-2026-000038694

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038694) never changes.

Identity and time

Publication numberOT-2026-000038694 · never reused
Internal UUID01a0ae78-769e-7325-8b39-ad402cd55bbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038694
StatusPUBLIC

Content hashes

Canonical textacaddeb473bd6e8b1d2210d4a9eedae936205ae2173f4cf12382a4b47a0bcb9f
Markdownce69666ba62409dc75d9171bf21f38ade11496bfc23b46a1f1b562c0bd334e2c
PDF
Publication page7922748b96d9eea28f847c50dae5562685402e8893c854424d03859d005e9c30
Manifest659107c48517ca5bdf29d855fbb7b019c298547d8cfed6253efddae0c0dc7f67

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
Signature2A+KDEkdRBGUE7NNKmncsCyBa1yDmrq+yX9aODtieQL8xtr1/YXTbwYS69uVBrTI0e2NUcOtUxBq7ZbUy2pnBg==
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

2026-09-17T11:21:12.706438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038694
observed 7922748b96d9eea28f847c50dae55626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.689897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038694/manifest.json
observed 659107c48517ca5bdf29d855fbb7b019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.673321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038694/publication.md
observed ce69666ba62409dc75d9171bf21f38ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.656749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038694/publication.txt
observed acaddeb473bd6e8b1d2210d4a9eedae9...
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.