OpenTechnical

OT-2026-000017513

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000017513) never changes.

Identity and time

Publication numberOT-2026-000017513 · never reused
Internal UUID01a0ae6e-76ca-71a8-8117-8f44d76c663c · 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-2026-000017513
StatusPUBLIC

Content hashes

Canonical text46cfb1c64854784c116575aa3d0782a680a3c26c40d9c9b160cb449627d95919
Markdowne0feb47b391dc90ebc081c23c5de4f73451c67d38a703e4eeba61a7bd7d8af46
PDF
Publication page839ceb8c456741578fcfa466b871c1d5d6b5080de08c32a3cf2bd7f85b291ccb
Manifest6b0e6b68d956dd0415345209858edade3981f2ed3e8203e67dae8ca1271f1323

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
SignatureX10fT6q9Pn9pIfbtvTWmaxjMyWd55EGyxKGMR4mM8wV80zsQBS7yHgA/niBu4OGtsDdd35yJxsgnbY4mzxoQDw==
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

2026-09-17T12:02:40.194540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017513
observed 839ceb8c456741578fcfa466b871c1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.177243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017513/manifest.json
observed 6b0e6b68d956dd0415345209858edade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.161077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017513/publication.md
observed e0feb47b391dc90ebc081c23c5de4f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.145155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017513/publication.txt
observed 46cfb1c64854784c116575aa3d0782a6...
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.