OpenTechnical

OT-2026-000017570

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum 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-2026-000017570) never changes.

Identity and time

Publication numberOT-2026-000017570 · never reused
Internal UUID01a0ae6e-76ca-76e0-a8c9-6a8ac249b879 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017570
StatusPUBLIC

Content hashes

Canonical text4b3dd678733d8e06a68be7fdaba4b8244d054a65d32dce96f3d3d703cde2ab61
Markdownfaa33db40275b3b3a7e923e5112f6d50fa83deb1c967d66688d482d7aa7d271e
PDF
Publication pagefa4c86d6bfd576d5b36fd98f137a28dbc8ccc5cc6936a18fc81ba6097cf84bd7
Manifest90e43a5959b8826eb9f1855fb628275ed0e4a662e3d9d82e3383c361b1046f7f

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
Signaturel/6SpdHJdZR0ofrvlYZZNSgiUypPH4sk1KmR7jYnbB7t3B6WavaUYw/GJtQVTg4exb/P96OYUUdPHStDEiO8DA==
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

2026-09-17T12:02:44.520197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017570
observed fa4c86d6bfd576d5b36fd98f137a28db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:44.500433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017570/manifest.json
observed 90e43a5959b8826eb9f1855fb628275e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:44.481810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017570/publication.md
observed faa33db40275b3b3a7e923e5112f6d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:44.463254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017570/publication.txt
observed 4b3dd678733d8e06a68be7fdaba4b824...
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.