OpenTechnical

OT-2026-000018105

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line 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-2026-000018105) never changes.

Identity and time

Publication numberOT-2026-000018105 · never reused
Internal UUID01a0ae6e-b487-7d32-84b1-43bb4dad73b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018105
StatusPUBLIC

Content hashes

Canonical textef73e97ad887700a4df1f88fad9e027cbe52e06c28dda81ce7f55cb77d8762ba
Markdown3ba76abc648aaad51ec15a17e39dd0c3cd91cd1635e8233eea84402b2983faff
PDF
Publication page574beecae9e1b3f88057fc6203c33e1c4df87ba81a0ea119cf8e9f60f21bd0b4
Manifestf02a3deb58dc169a9c81abcc004be107063758bc5c5b862916a026767d5cbd3c

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
SignaturenbLxefaKdIzxh4/EPBWhTeBVAIJmuid4/Ts9Az7yPyX7b0NXhJMxpo3kK9P7Qti0ufWf+YM86ma5Hne0ijsnDA==
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

2026-09-17T11:59:50.492465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018105
observed 574beecae9e1b3f88057fc6203c33e1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.474556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018105/manifest.json
observed f02a3deb58dc169a9c81abcc004be107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.454988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018105/publication.md
observed 3ba76abc648aaad51ec15a17e39dd0c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.436034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018105/publication.txt
observed ef73e97ad887700a4df1f88fad9e027c...
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.