OpenTechnical

OT-2026-000047377

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047377) never changes.

Identity and time

Publication numberOT-2026-000047377 · never reused
Internal UUID01a0ae7f-3e57-79b3-a345-dee24fe3d988 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047377
StatusPUBLIC

Content hashes

Canonical texte1cad6bc5f439d4dfce337af48b444b8c35d18c121fd21ad78e98c1d96380af4
Markdownad2e18a06195613cb2430efb2ff1bfd33eb322bd4400eeec9e7f26a6b88e375c
PDF
Publication pagef642c6355c995c823b62563106097e47cb9783bc2a149d5974f609ec22fc4d7b
Manifesta9ef905ec109d6fa0b1bdcf2336359c12735a68049ed16621ff9c16636e42d3f

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
SignatureURY3YmTp7P3GlQJeuruxfzM8YWg7IGMQUgp++slPyTgwS5eG24ySP3bz6jllLYtTtIiYArKKPNNWN9OzRYgcDQ==
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

2026-09-17T11:06:22.973890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047377
observed f642c6355c995c823b62563106097e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:22.955596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047377/manifest.json
observed a9ef905ec109d6fa0b1bdcf2336359c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:22.936355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047377/publication.md
observed ad2e18a06195613cb2430efb2ff1bfd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:22.917859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047377/publication.txt
observed e1cad6bc5f439d4dfce337af48b444b8...
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.