OpenTechnical

OT-2026-000035109

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000035109) never changes.

Identity and time

Publication numberOT-2026-000035109 · never reused
Internal UUID01a0ae76-6a1d-7c71-97bc-f1564cb6da8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035109
StatusPUBLIC

Content hashes

Canonical texta728e257fc922a54399cfe3a8c8dc7232d8f18c6a3b4060e0dfd0ca0cf5ff437
Markdown0baafa16984951e73b47401f26288abe5d10f8888153cda5149d0e765014ffa6
PDF
Publication page5b54cba829dc24a2b6432d679b80cff9de4798d902b47cadec7b7993cc79ac7b
Manifest71bf66d17827cc6d1b21c8051a7a54779bc1a4351d0d04151373a0cbb09ed0c9

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
SignatureLXLXuJSXMBduO6IxDvBgQvUHzsjrzDjwqVdxcF99WKHtkw/LUoH5s7VfLijZdBSRVQBOCGdkVB04QUmDnKbLCQ==
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

2026-09-17T11:28:11.175240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035109
observed 5b54cba829dc24a2b6432d679b80cff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:11.157976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035109/manifest.json
observed 71bf66d17827cc6d1b21c8051a7a5477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:11.141318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035109/publication.md
observed 0baafa16984951e73b47401f26288abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:11.124633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035109/publication.txt
observed a728e257fc922a54399cfe3a8c8dc723...
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.