OpenTechnical

OT-2026-000015817

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000015817) never changes.

Identity and time

Publication numberOT-2026-000015817 · never reused
Internal UUID01a0ae6e-0c4c-7cad-9525-5bedc643727b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015817
StatusPUBLIC

Content hashes

Canonical text94d774ffdccd8b47c7e5265370afceeed9cc74fc88c240fc1a118dd803666a22
Markdowna99d7319af5dcb6841a698d4dd1d8ad1c0421035c45400af295ef65ec8630104
PDF
Publication pagec01f56b0f03e43f8e5bee2299b9598fc3067d858087c49f906fafb0a5dc05c44
Manifest8d867e65c581ef965ebd5108bc8085efcc7587da293a3f482c3fa0647cd2660a

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
SignaturedesIdwJ6lvayzplzpLr4EllcO5hZNuki9jleJQg51Gb6kCrVirIqO4KJn9s/keAH6AaF47w2MI3xsIoV+4KSCA==
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

2026-09-17T12:05:07.778537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015817
observed c01f56b0f03e43f8e5bee2299b9598fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.758131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015817/manifest.json
observed 8d867e65c581ef965ebd5108bc8085ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.739945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015817/publication.md
observed a99d7319af5dcb6841a698d4dd1d8ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.720903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015817/publication.txt
observed 94d774ffdccd8b47c7e5265370afceee...
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.