OpenTechnical

OT-2026-000038898

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-2026-000038898) never changes.

Identity and time

Publication numberOT-2026-000038898 · never reused
Internal UUID01a0ae78-769f-7534-a1c4-d21f24228263 · 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-2026-000038898
StatusPUBLIC

Content hashes

Canonical text0bb22a3e5f24ac8449e2e2b55b1058e4341fafdf7411086fb0e407bddba004c9
Markdowne9027fbecd15927a2dc94666b36862bbf16abfcff799f173200333166f32b100
PDF
Publication paged244e4ada8f38f8e3d381a4444da1a1b6686f006c91ea6acb2d13abd8cc88642
Manifest155778b7bd96843d0bdfac3212184ddc8cf7ffe2bfede752bc11501f778313f1

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
Signatureil+Cqh13iFpf0gQchR/pqXi5mTNwqhsEf7htFhrHfUUKjjH28P6JSUOr+tt2cS5G/HialPSg4X2KkNGoA8sgCQ==
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

2026-09-17T11:21:34.037746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038898
observed d244e4ada8f38f8e3d381a4444da1a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.021053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038898/manifest.json
observed 155778b7bd96843d0bdfac3212184ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.005361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038898/publication.md
observed e9027fbecd15927a2dc94666b36862bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:33.987432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038898/publication.txt
observed 0bb22a3e5f24ac8449e2e2b55b1058e4...
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.