OpenTechnical

OT-2026-000025489

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000025489) never changes.

Identity and time

Publication numberOT-2026-000025489 · never reused
Internal UUID01a0ae71-5fa8-7eab-91ad-26ea2a536e9e · 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-2026-000025489
StatusPUBLIC

Content hashes

Canonical text36434c9e7d9a876a83376b32f84c4503718c12cb9ad15f689ce4b4ffd7667d8f
Markdownb83ad04c7c8b7ca7d2ef30b63b71af72c83d050dcc365aca9636ed6a7e9b200b
PDF
Publication page254af0e6c622795fccde05f290694be5ed9bb04004c23c7000ff20d3206b1ef3
Manifestedd68574dbaf38655bc7bad39b6f1a47e30f851bafd9ae6226f583f3d1285753

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
SignaturequX43MxLggldgbiJ+sIypDixE9bgjNO5tu75ZMzbeD2eh7FDzW0J+xGYLNPpK1xtVj1+Pjmbcxiop/eciDKgAw==
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

2026-09-17T11:47:34.955057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025489
observed 254af0e6c622795fccde05f290694be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.929638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025489/manifest.json
observed edd68574dbaf38655bc7bad39b6f1a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.910910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025489/publication.md
observed b83ad04c7c8b7ca7d2ef30b63b71af72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.892397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025489/publication.txt
observed 36434c9e7d9a876a83376b32f84c4503...
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.