OpenTechnical

OT-2026-000038854

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000038854) never changes.

Identity and time

Publication numberOT-2026-000038854 · never reused
Internal UUID01a0ae78-769f-71ea-9fcd-7d6e73323034 · 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-2026-000038854
StatusPUBLIC

Content hashes

Canonical textbf9abaed0b42645bffe9519972193bb2d59aeb0fd1d96c11c0986569d099420c
Markdown24664ffe51c6c28e66d36409ef73398777112ae2afab67223d07f494657b8f9f
PDF
Publication page83f8e73eec68fb7dee02efcdccc6d179cac18e46ffc2eacb8125c5cf09028a94
Manifest4657cf600648a17b2b5d9739922cc6d20fc51af29ab0de9199f77aaa6b559dad

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
SignatureAxRQY1Ne0ecxezzwiOuD1Rj8UJ7KTDPNimHGe7GVdnxYThQu9H4C4AUV+LY6vXraMeQfUvr8TxoUKNBJSsPnBw==
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

2026-09-17T11:21:25.714246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038854
observed 83f8e73eec68fb7dee02efcdccc6d179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:25.693675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038854/manifest.json
observed 4657cf600648a17b2b5d9739922cc6d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:25.674680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038854/publication.md
observed 24664ffe51c6c28e66d36409ef733987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:25.655460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038854/publication.txt
observed bf9abaed0b42645bffe9519972193bb2...
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.