OpenTechnical

OT-2026-000021037

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000021037) never changes.

Identity and time

Publication numberOT-2026-000021037 · never reused
Internal UUID01a0ae6f-65e4-7e0d-8698-09ab06db090d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021037
StatusPUBLIC

Content hashes

Canonical text55233d94e24a81a59c757b5537075b28afb3464ba8c08b7685003217a11d5f49
Markdown85ea549a80c674a8b7c216a44fd63c6dcae821774a4958911e1b68add2f59210
PDF
Publication page51cd1a2eec53961aabae98f24a1d3ada78210ed153b9c5660bb254a600946250
Manifest90b0d2cb2e733e5750a8a2e9d270b4c0962528f0344602916fa502bd29c49402

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
SignatureoEq1FCi/QAs2C7fSZhB5ugQM02LQAvJciczP1w41CPDFcImwr8wlTZYDZc3NiX5d9UIE15LqHUF8Etn6T612DQ==
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

2026-09-17T11:56:12.096884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021037
observed 51cd1a2eec53961aabae98f24a1d3ada...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:12.077808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021037/manifest.json
observed 90b0d2cb2e733e5750a8a2e9d270b4c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:12.060114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021037/publication.md
observed 85ea549a80c674a8b7c216a44fd63c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:12.042399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021037/publication.txt
observed 55233d94e24a81a59c757b5537075b28...
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.