OpenTechnical

OT-2026-000025150

Publication integrity record

Foam pad vacuum gripper, common isolation valve, 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-2026-000025150) never changes.

Identity and time

Publication numberOT-2026-000025150 · never reused
Internal UUID01a0ae71-5fa5-7462-aa5e-7d2a702e31c5 · 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-2026-000025150
StatusPUBLIC

Content hashes

Canonical text3232bd327ac98058de47b6f2704cefd838487302156cec1140e642efd9c5eba8
Markdownf544a9905a30986dba9ea996cc601da5d453a120acd136197e72de887c284590
PDF
Publication page58f6a4831be40fbbb6dced4e4e5e9088f6f0b9ba8cd486b3177db4e224f92422
Manifest613abd9d5d168150b8b1555d7f9f8ee2e146c6dbe748b18ebfa6a763229a39b1

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
SignatureREBRZ10AB+g+vc3lrduyowJPvb9G8tChUb54utxyfjD9VMuvJkKFQhyJdBN6brRlRmK+qfairp/NGQVTdDhICA==
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

2026-09-17T11:47:02.197571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025150
observed 58f6a4831be40fbbb6dced4e4e5e9088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.178458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025150/manifest.json
observed 613abd9d5d168150b8b1555d7f9f8ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.160950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025150/publication.md
observed f544a9905a30986dba9ea996cc601da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.142616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025150/publication.txt
observed 3232bd327ac98058de47b6f2704cefd8...
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.