OpenTechnical

OT-2026-000025142

Publication integrity record

Foam pad vacuum gripper, 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-2026-000025142) never changes.

Identity and time

Publication numberOT-2026-000025142 · never reused
Internal UUID01a0ae71-5fa5-724e-a12b-6ff72a72d6ea · 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-2026-000025142
StatusPUBLIC

Content hashes

Canonical text0e03f3ecbe19e7eb839eb0ee73b8a52685c3a3d68fe11c54cb1a96926d59572e
Markdowne7e63f82b4c0e3d51076d38af44f5a7df53254f494db5bc4b045bd0afa6bfea6
PDF
Publication pagead3670f14790dae6df4a0a1d8b54b6bef4fe6a12133560e7939d1ede10f74a1c
Manifestab0b08c294ed01044dc46461ede6af7a5d8e4b39e80855ffed9f299adf3a766b

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
SignatureeA0C3oAN2D4ohbptkvSUoV6zTnbCYyvJqwXVFdEZKHVHzsb+8T1qq2yYwW1oxXZtYvqnvqGfd5Vg1t94huKbDg==
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

2026-09-17T11:47:01.541620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025142
observed ad3670f14790dae6df4a0a1d8b54b6be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.522572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025142/manifest.json
observed ab0b08c294ed01044dc46461ede6af7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.504514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025142/publication.md
observed e7e63f82b4c0e3d51076d38af44f5a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.485701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025142/publication.txt
observed 0e03f3ecbe19e7eb839eb0ee73b8a526...
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.