OpenTechnical

OT-2026-000049298

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000049298) never changes.

Identity and time

Publication numberOT-2026-000049298 · never reused
Internal UUID01a0ae81-1350-7a4d-bb13-49ad8355c446 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049298
StatusPUBLIC

Content hashes

Canonical textb8eea6a5c58b785867703ae593d3d699e70e5ac28fe268b75d9d06c4da300456
Markdown009e9b3be7289c912549d75fc5f967e9809fb47dc834ebf2617abc661793cd7a
PDF
Publication page8379a23cb6c0ffe21201b06f43ccd9c4afadb4b8aa0946555de62a226fffad3a
Manifestb9ae20ba3cd82f605f52fe03f1de9bac45fb3bad9657d53438c0da244a7ebbd2

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
Signature7F4RzrX7zhAvpUPuGOnEXlgDS7ZhdjO8nmI9TX2IgFp22AkAc4SvAtW2YZkkB8z0CLq48KdL9dOcsGcrC7PgBA==
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

2026-09-17T11:04:09.704892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049298
observed 8379a23cb6c0ffe21201b06f43ccd9c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.685435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049298/manifest.json
observed b9ae20ba3cd82f605f52fe03f1de9bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.666137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049298/publication.md
observed 009e9b3be7289c912549d75fc5f967e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.646968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049298/publication.txt
observed b8eea6a5c58b785867703ae593d3d699...
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.