OpenTechnical

OT-2026-000041349

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000041349) never changes.

Identity and time

Publication numberOT-2026-000041349 · never reused
Internal UUID01a0ae79-b144-750a-9b64-74a03469cfec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041349
StatusPUBLIC

Content hashes

Canonical textcd1582724e089aac0124e265d75203f89dbe912b8d9a507575ba6314a07f7ff5
Markdownf90bc312ae2d7b2679bc90933fef33c886d42ab21b75beb8193d145066cd9805
PDF
Publication pagee604f18eedb87b76410c341152b6bffd6e5ed82f76a122a84cf4c54ed7d54535
Manifestfe3e3ddc120a3c33af572f1a1b3909e2f2f27b7f926a87ba294295ee4f26e53e

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
SignatureDihjbXSHHiD1g42R7RcjRgYOAcTXNsVKA9ZwHQ4+dJyuFs6r8dZvZ9f9JLzlLyRF0n6F6o1RParW1Ns7WBafBw==
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

2026-09-17T11:17:20.941861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041349
observed e604f18eedb87b76410c341152b6bffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.924910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041349/manifest.json
observed fe3e3ddc120a3c33af572f1a1b3909e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.907893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041349/publication.md
observed f90bc312ae2d7b2679bc90933fef33c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.890169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041349/publication.txt
observed cd1582724e089aac0124e265d75203f8...
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.