OpenTechnical

OT-2026-000064241

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000064241) never changes.

Identity and time

Publication numberOT-2026-000064241 · never reused
Internal UUID01a0ae8d-a460-7933-bb50-82cf3f61cb3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064241
StatusPUBLIC

Content hashes

Canonical text108817da348e5f506d3fa52577093ff1b2e2dc78158d9970ca47e45d7389690f
Markdowncf16ceab834ba749058cc481d84376dba09f25f27f00372e70d6030869f20be2
PDF
Publication page75383a79123c9b1f8333fc9f4cee49b30c883950cfef691a6b1c7fc534e7e4f6
Manifestba9e8792e733d8fe50a21877322e0acf03919a3e2260304ef3467e3621d05002

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
SignatureE+a01NmOZNatv3RhVrpU0ioI7LAe9SzYvSSxi2pmLCmiHtPDRylYDrRmlwJcoqg2P0dfVEXuXvyWvOAJnaklCg==
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

2026-09-17T10:36:22.187832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064241
observed 75383a79123c9b1f8333fc9f4cee49b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.169607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064241/manifest.json
observed ba9e8792e733d8fe50a21877322e0acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.151132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064241/publication.md
observed cf16ceab834ba749058cc481d84376db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.131892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064241/publication.txt
observed 108817da348e5f506d3fa52577093ff1...
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.