OpenTechnical

OT-2026-000025914

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000025914) never changes.

Identity and time

Publication numberOT-2026-000025914 · never reused
Internal UUID01a0ae71-a83f-7e21-ab68-d19696113adb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025914
StatusPUBLIC

Content hashes

Canonical text7b39549ae38b1cdb91d30aa34d1633e7bdd9aeed17499fe2105a6d3b04d79716
Markdownb51c2a6a99e4b8c00b0682f98b2179b1cd066e8abd0b5be28c6ada2766bb2fc8
PDF
Publication pagee5a9b281cafedab8401dfffc4d69ac79dbfad74c6a2412fe60e5350b1b26067a
Manifest2c2722bc9d9be93c927a14c22554314a8e7d0adb8ddd7565aa9f5770ccc72405

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
SignatureK4SkYi2e3Y0WdncKKxdE60hwRk6gBJYIMFgLxaSut5NOtekXgVLfxsB8hCByayUTGbmn5avLJRE97L8Pc4dODg==
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

2026-09-17T11:46:15.968668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025914
observed e5a9b281cafedab8401dfffc4d69ac79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.949265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025914/manifest.json
observed 2c2722bc9d9be93c927a14c22554314a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.930842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025914/publication.md
observed b51c2a6a99e4b8c00b0682f98b2179b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.913731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025914/publication.txt
observed 7b39549ae38b1cdb91d30aa34d1633e7...
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.