OpenTechnical

OT-2026-000017429

Publication integrity record

Two cup 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-2026-000017429) never changes.

Identity and time

Publication numberOT-2026-000017429 · never reused
Internal UUID01a0ae6e-76c9-7a4f-9d41-8b4d5f3424df · 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-2026-000017429
StatusPUBLIC

Content hashes

Canonical text9200cad3617c52fb7d69a058dcce91a89b183422b5f2cdfc6f4716f3ead27412
Markdown2da5cae41ba257363ea4f4b5d2b151f9e23c861cb5048038a963a8d03cec86c1
PDF
Publication pagecb71542c28b30ef1b389d27c1c0240678481f9f004969a9ecb1e0209f172983f
Manifestf24db6acb64bf14fc6b678f4da8d0a7c3e85984f363cd213ab05a7c49bc65d9d

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
SignatureJa65LHVG6bVbuBY0flRZz4FFbKK8lFftGjiFIOEtVOSorKmR+8SOfz2OU2HMtiP8BOeff+/pxfNDi+Bgl14wBA==
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

2026-09-17T12:02:33.638245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017429
observed cb71542c28b30ef1b389d27c1c024067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.620190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017429/manifest.json
observed f24db6acb64bf14fc6b678f4da8d0a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.602746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017429/publication.md
observed 2da5cae41ba257363ea4f4b5d2b151f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.584794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017429/publication.txt
observed 9200cad3617c52fb7d69a058dcce91a8...
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.