OpenTechnical

OT-2026-000039894

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000039894) never changes.

Identity and time

Publication numberOT-2026-000039894 · never reused
Internal UUID01a0ae78-d8d6-754b-a5db-1dcda1697d56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039894
StatusPUBLIC

Content hashes

Canonical text4e59a7f318c61e9adceb0d35d6f580657a06323a283397bd02768d2c03592537
Markdown130e06c1cf780bc8240edf575a4e9f5a85816f643289b32697eb7c0380fb5c9a
PDF
Publication page7fb92fbe9abf3cef92e531cb2246f589be0b4dc718b5bb5ff7c2827cb1249efa
Manifest89e92988a4e3a3ff0b9cb3dc5c63ba0d10a96fc2b1d38fffe524b975ca68c6e5

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
SignatureW58e2//fEnHxxYJLnMzgxAswiuEM1nsNovqxY6hCUSe9KQNzT9tlwKvG/2ej4VO4+22Mqyfxwa4lO9wP4MGIAw==
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

2026-09-17T11:20:10.970987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039894
observed 7fb92fbe9abf3cef92e531cb2246f589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.951640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039894/manifest.json
observed 89e92988a4e3a3ff0b9cb3dc5c63ba0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.933704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039894/publication.md
observed 130e06c1cf780bc8240edf575a4e9f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.916005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039894/publication.txt
observed 4e59a7f318c61e9adceb0d35d6f58065...
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.