OpenTechnical

OT-2026-000063414

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000063414) never changes.

Identity and time

Publication numberOT-2026-000063414 · never reused
Internal UUID01a0ae8c-f944-7807-af3a-d30e10a47f8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063414
StatusPUBLIC

Content hashes

Canonical text448497dea4cc382c06c04c2d23bb79d3d50d1426b4f50dd9eea939bb0a5a5ca2
Markdown6016e298525bbc78f9c9429370e7e9d9337423443cd9f5459876a5946c2a557f
PDF
Publication paged70aa0e688d0ea1b93ca05846caf4b8b84c20f776966a1bc3a669c3c6e9b6a48
Manifest84cade799485e5f377fac3ef86a828a7951ddfc4efee293eebc71ed884e8823b

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
SignatureOHHZVjn7dhmlQUkfKzT/jHUAMAwP0c4PqGJN2sO4MHRG8kssu0jLWnhkQD8e8/oKMOSkD1Jm9d/iUXR+IJsiAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:20.100909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063414
observed d70aa0e688d0ea1b93ca05846caf4b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.081374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063414/manifest.json
observed 84cade799485e5f377fac3ef86a828a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.062390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063414/publication.md
observed 6016e298525bbc78f9c9429370e7e9d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.043803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063414/publication.txt
observed 448497dea4cc382c06c04c2d23bb79d3...
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.