OpenTechnical

OT-2026-000005832

Publication integrity record

Vacuum cup gripper, common isolation valve, plant vacuum fed, contact triggered on the face

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-2026-000005832) never changes.

Identity and time

Publication numberOT-2026-000005832 · never reused
Internal UUID01a0a946-55e9-7b28-9361-047728c4dcc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:12:34.156771Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005832
StatusPUBLIC

Content hashes

Canonical text32a278cbe2c69a14460c237b6a7a46a4e015ab4f076a3dee79871fc95b2944a2
Markdown2121fa087ae6d84ddc981cbdfb4304fab20ee94e6d1d63f737e2d2de3363d941
PDF
Publication page4643bc32200619128fe722bec3d2ff1b5ee84f8e958f39356c4f8a1014bf2364
Manifest0b01134476a2fb168754c723c987c120aaa89f1198176fb7880fd14f8bfc4bf6

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
Signature/jmlcs0kgql8wzkNABdBY6Ssj/xm5U4SW5dVfnCVeKA71zNyqMkFVBTM7S+ATf4ThB63NNJ0JqJPT/4Q7+UABw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:27.674010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005832
observed 4643bc32200619128fe722bec3d2ff1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.662285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005832/manifest.json
observed 0b01134476a2fb168754c723c987c120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.648273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005832/publication.md
observed 2121fa087ae6d84ddc981cbdfb4304fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.633478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005832/publication.txt
observed 32a278cbe2c69a14460c237b6a7a46a4...
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.