OpenTechnical

OT-2026-000038910

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000038910) never changes.

Identity and time

Publication numberOT-2026-000038910 · never reused
Internal UUID01a0ae78-769f-7e26-a81a-c53e379ff8cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038910
StatusPUBLIC

Content hashes

Canonical textf1b5740169c94317f23d164ef58eaa9bd69f742b92af9abb0d0c099986487d23
Markdownccadbbe343aa05fc5ab25758472fccaf9f0912c684a3cbf9a28aeacb70827f4c
PDF
Publication page0a39942e4bbb008eeb5361f4ea7542b65ed2cb6aa76d9230909e54e6166b70e9
Manifest7759fbe8dee2c2812017b11963c7be440b107c274476ef7359819a8eae3cbd63

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
SignaturejD3hnN4imzfg/9N/nNeQrvniOQUgcE2wMxNwMAFf5qMuS7eQK9bNaPsRwDvi9//r/TuNYUTmOQ0KLYkZLqrGCg==
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

2026-09-17T11:21:34.961984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038910
observed 0a39942e4bbb008eeb5361f4ea7542b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.942927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038910/manifest.json
observed 7759fbe8dee2c2812017b11963c7be44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.925834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038910/publication.md
observed ccadbbe343aa05fc5ab25758472fccaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.907963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038910/publication.txt
observed f1b5740169c94317f23d164ef58eaa9b...
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.