OpenTechnical

OT-2026-000099255

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000099255) never changes.

Identity and time

Publication numberOT-2026-000099255 · never reused
Internal UUID01a0aea2-8289-7f78-a09c-8a9397f5ea7b · 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-2026-000099255
StatusPUBLIC

Content hashes

Canonical text2c091d34694ea1cf6b369b846734d3c1106c8d6db64ccdbf7553e5155c4e2554
Markdowne7bd8a5bbdbe5e43bffbdc510a62da7927cd5ad96c4fd168ab947c0a0d9213a0
PDF
Publication page0bfee512e4821c2357ea61b4f4c00b63b2616a6c26b8f5c79aea6db03b76a525
Manifest9f877af7c9111e71076785217144b63e5fb0ab1eb933562186bcf9fa78d83aca

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
SignaturexZHbV8Bn2oQBbrJiNwdzUmVMUzQATk0s5TmgO7DDphH5J7i+04Tpr753czb08f+5HoQfEHoW3VW1KChupA6BDw==
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

2026-09-17T09:30:41.877658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099255
observed 0bfee512e4821c2357ea61b4f4c00b63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.855437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099255/manifest.json
observed 9f877af7c9111e71076785217144b63e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.836470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099255/publication.md
observed e7bd8a5bbdbe5e43bffbdc510a62da79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.818623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099255/publication.txt
observed 2c091d34694ea1cf6b369b846734d3c1...
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.