OpenTechnical

OT-2026-000048569

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000048569) never changes.

Identity and time

Publication numberOT-2026-000048569 · never reused
Internal UUID01a0ae80-4de7-717a-8dac-e5da68575154 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048569
StatusPUBLIC

Content hashes

Canonical texte85be9895673fbe5ed47b93890d0a10cad3a265c0fee978667d8cd41e03564a1
Markdownfb0e5e08dc1fe84b2dc5c495abba1b197439c6412b06d1a85fc9eb3a3686da96
PDF
Publication page111a2e377d9b1be35def6ba768907aa0594aa6443518dca83fb9b606e0e5acc9
Manifest7f3d3a2864586f2d0e5320ff8bce06bf27da83aa264f489a96e34f9754209b90

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
Signature7ev46Nz6+eqTfHylBDL27hrcuyInGQQ9zzmH0LBD0fRpdIQYxZ2YAeOu7ZZ3Pw8jKmyo4BTr+siNQ/ufMWcQCQ==
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

2026-09-17T11:05:22.284072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048569
observed 111a2e377d9b1be35def6ba768907aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.265307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048569/manifest.json
observed 7f3d3a2864586f2d0e5320ff8bce06bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.245250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048569/publication.md
observed fb0e5e08dc1fe84b2dc5c495abba1b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.224704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048569/publication.txt
observed e85be9895673fbe5ed47b93890d0a10c...
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.