OpenTechnical

OT-2026-000054181

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000054181) never changes.

Identity and time

Publication numberOT-2026-000054181 · never reused
Internal UUID01a0ae85-b3a8-7802-afe0-b1ace2402054 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054181
StatusPUBLIC

Content hashes

Canonical text12317c24df17d715c373fdbf32aa27aacfed8833961b859177b0656aecb2b319
Markdown04b239a9a0607e5458b9459710878da01a9b0c20050128f5f5d10fa4e3bf5249
PDF
Publication page998a3ca84d14f7ef7304a5c0280e96a1ba149cbba5cf42aec72bdcc92d165760
Manifest4027075bdac4f2b64d6886a3eeb659298a325c0b901cf189d579b2b389a8e6ff

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
Signatures55vudw856YbMaAArZgkvywX8f25Z3bWidcoT+556oD9TsfUtCAzPJPkaSYxs7C3IISzTD/jWNTPv9slP/oxBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:37.878310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054181
observed 998a3ca84d14f7ef7304a5c0280e96a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:37.857292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054181/manifest.json
observed 4027075bdac4f2b64d6886a3eeb65929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:37.839757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054181/publication.md
observed 04b239a9a0607e5458b9459710878da0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:37.820767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054181/publication.txt
observed 12317c24df17d715c373fdbf32aa27aa...
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.