OpenTechnical

OT-2026-000050289

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000050289) never changes.

Identity and time

Publication numberOT-2026-000050289 · never reused
Internal UUID01a0ae82-5c46-7223-8462-36fb3a57c35c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050289
StatusPUBLIC

Content hashes

Canonical texte63913857792a0a10fa21a5d41aeee0b304886aa8e7304b01eac256b05a82a59
Markdownc632badd23479859a1c53ca5f63f623ef9b36f32c1e851268b98ac09eefdd32c
PDF
Publication page5be262a63dd583bc2962f2a31e1abc7db4f944deccd8cfe0c717de0fd04ac04a
Manifest7d2741ca1503974f614f29f3ce47992237db83d1ffd1708e908c0651450ed209

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
SignatureEFd2j1ezAOQxQO9f9FJqYajRtO48Kx+OgtxnEBFbBL9ZPnsQQk6qUwyv6RqLcopbKO+/Mf8RHnbMNvoHu9nrDw==
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

2026-09-17T11:01:17.710807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050289
observed 5be262a63dd583bc2962f2a31e1abc7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.693325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050289/manifest.json
observed 7d2741ca1503974f614f29f3ce479922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.677176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050289/publication.md
observed c632badd23479859a1c53ca5f63f623e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.659468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050289/publication.txt
observed e63913857792a0a10fa21a5d41aeee0b...
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.