OpenTechnical

OT-2026-000104078

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed 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-2026-000104078) never changes.

Identity and time

Publication numberOT-2026-000104078 · never reused
Internal UUID01a0aea5-341f-7728-a730-dd5cc953e8a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104078
StatusPUBLIC

Content hashes

Canonical text725824b37522743b617fd4c0f258644c34b7bbd4405f7044e42c277644aa26f4
Markdown8729ce08b3e60d8baaff35c0b0466654419b1e5366317f1c984d01441e36e75d
PDF
Publication page3b69deb6eec6ab0a28e3fb4e71574dbe38591b337de093c9c116848d9d18628c
Manifestf49a7b4e898b896c7e2881f219548b64f687a2334fe74aac32c5bf34833b94b9

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
SignatureXtGJX0QyD8GJMg4b9+eLMdzBCVVWL34e5jabkGh+aHBrYt+MjJuoI48m+00gYUuH2iBjFrHiCWXC0sCC7Si0Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:08.885606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104078
observed 3b69deb6eec6ab0a28e3fb4e71574dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.867128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104078/manifest.json
observed f49a7b4e898b896c7e2881f219548b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.845557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104078/publication.md
observed 8729ce08b3e60d8baaff35c0b0466654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.827034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104078/publication.txt
observed 725824b37522743b617fd4c0f258644c...
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.