OpenTechnical

OT-2026-000099235

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000099235) never changes.

Identity and time

Publication numberOT-2026-000099235 · never reused
Internal UUID01a0aea2-8288-7413-ba0f-c13c27a1efa0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099235
StatusPUBLIC

Content hashes

Canonical textb5bc2b2a8d8653b6940f8417691af987720e1888a0833796d0b70138bf4c9dc5
Markdownb6eb2629d58fd0bcfa475ca97edb9e71ce35cf6bbf4dd0bec8a01587c76a225d
PDF
Publication page7a7b1186d2c04dd72c4200449272315dfdedfc9c11dd1da75e77894e3e73bbeb
Manifestf2400678100caa340e1228f28b8c1d4a0a95b26da190fef3f3b1a406b0b7ec57

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
SignatureU7JIVdIRwJYuQlZjws7bHRpxTB0dIKMhxmPQAKnsyK+AozGRMki5RLJgodkEWsBc7XrpGmBErqcu4XnVEvX5Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:40.240679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099235
observed 7a7b1186d2c04dd72c4200449272315d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.220948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099235/manifest.json
observed f2400678100caa340e1228f28b8c1d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.198276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099235/publication.md
observed b6eb2629d58fd0bcfa475ca97edb9e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.177103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099235/publication.txt
observed b5bc2b2a8d8653b6940f8417691af987...
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.