OpenTechnical

OT-2026-000025153

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000025153) never changes.

Identity and time

Publication numberOT-2026-000025153 · never reused
Internal UUID01a0ae71-5fa5-78e7-8072-944b6e4d613a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025153
StatusPUBLIC

Content hashes

Canonical text17efd07021f2c1e67096f722429bfa27c5c6ab4ad8cf1f6ce4cf99d4c6027e48
Markdown95e844a4e512c0942c40ccf9f6f6175bdefb6c244a9fbf9e71c7d14d2e3d8a08
PDF
Publication page6fe0290a76879a4397a6cafee4df8db665cb9edbdb3ca09e41a6f82f8c0a55ff
Manifestd12e734eb0392b49dc8a0cddf40e2d13197471b0c2de63905094c1923ad44b41

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
SignatureIRud6/dIyNveQ6ThSgmaCOIJbWseQ7hE9PbmQ8AWvBtlz+OekCyoCUzvJSjz7Vz1BUerXvh9e5l8RtXoGGWMBQ==
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

2026-09-17T11:47:02.432677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025153
observed 6fe0290a76879a4397a6cafee4df8db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.414855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025153/manifest.json
observed d12e734eb0392b49dc8a0cddf40e2d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.396182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025153/publication.md
observed 95e844a4e512c0942c40ccf9f6f6175b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.376955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025153/publication.txt
observed 17efd07021f2c1e67096f722429bfa27...
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.