OpenTechnical

OT-2026-000084467

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000084467) never changes.

Identity and time

Publication numberOT-2026-000084467 · never reused
Internal UUID01a0ae98-5b63-7ae4-9bbc-9807e63bc358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084467
StatusPUBLIC

Content hashes

Canonical text46b2c1d457278c0d1645a8f15edf56a0799fc5b32e7cbcb241999044bbc8ef6a
Markdown15bc10b6f53072736c3150de7ef3fd7d8827901aa7952849ae95e2517d5030bf
PDF
Publication page8c02edb524ae0f9918cb90c00ec6176b0fce0d0b24215c02c4bf677d709911a2
Manifest7229863f78145c2e691c9b3f2e504e16013d8cb1ea0f63893d9098c173f878e3

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
SignaturemhAh3jyu3l0zPg6B1Qn5b30a6eWJHjCH+o6qsxiJU2pI8/bLo0qcNyabM3Min0/JuQof/nnZ5XY7hK1lDXQYBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:25.921270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084467
observed 8c02edb524ae0f9918cb90c00ec6176b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:25.904197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084467/manifest.json
observed 7229863f78145c2e691c9b3f2e504e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:25.887181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084467/publication.md
observed 15bc10b6f53072736c3150de7ef3fd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:25.870872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084467/publication.txt
observed 46b2c1d457278c0d1645a8f15edf56a0...
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.