OpenTechnical

OT-2026-000038757

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three 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-2026-000038757) never changes.

Identity and time

Publication numberOT-2026-000038757 · never reused
Internal UUID01a0ae78-769e-7e77-abe5-e64681ca5d28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038757
StatusPUBLIC

Content hashes

Canonical text701f943c2d38098e8f71f595329166bf6cb9689ec6e0398d9f9d522ad043ab59
Markdowna65a70a301023a1bb62057db124889ffad2fbc7f62f703ff7d96f8bc8d28b4d7
PDF
Publication pagee8e4e36aa0b6699f74fbd7080cae36f37055d76a8da7db441b2d416c3c654026
Manifest34b52a2d90653b2887e603874a05984074bf05282c621b0d2520e17979dda84e

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
Signature2bhaBJGZfZuajW7NgnK4wrulJc5T+bHG+u+Tij04G5ZRwZPOx3xHXJqkkl1bsBq0F+g/0nMIV6VaMal2wAw1BA==
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

2026-09-17T11:21:17.725455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038757
observed e8e4e36aa0b6699f74fbd7080cae36f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.707251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038757/manifest.json
observed 34b52a2d90653b2887e603874a059840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.688430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038757/publication.md
observed a65a70a301023a1bb62057db124889ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.668956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038757/publication.txt
observed 701f943c2d38098e8f71f595329166bf...
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.