OpenTechnical

OT-2026-000020069

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-2026-000020069) never changes.

Identity and time

Publication numberOT-2026-000020069 · never reused
Internal UUID01a0ae6f-1fb8-769d-b015-02a8a19faf5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020069
StatusPUBLIC

Content hashes

Canonical texteeb05b2690bf65416057708fa8fe36f4ca12ffc6b3fb3e3788f1aaceb27639e6
Markdown56d8b6e5ccf978b817a6014764664f8617878920fa62a0dc4169cf9503e4a40b
PDF
Publication pagef89f611721350dd58a10339d809b6ddcbacf4e37bbc65931476594ce96fc6f8e
Manifest3abbe9aecab3c106ee5fd2a9e9187dcdbc26065f9f8e4999430b12acd001f39d

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
Signatureq38sIsbWdQljOn1+IYNTtaX5F74/Rn9Zo/IACpv/WcP8OXQDywuReZPCCyJMNVrC271rjMYnpiSCU2M+w5ZADA==
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

2026-09-17T11:58:20.694702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020069
observed f89f611721350dd58a10339d809b6ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.677606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020069/manifest.json
observed 3abbe9aecab3c106ee5fd2a9e9187dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.660605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020069/publication.md
observed 56d8b6e5ccf978b817a6014764664f86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.639077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020069/publication.txt
observed eeb05b2690bf65416057708fa8fe36f4...
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.