OpenTechnical

OT-2026-000076420

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000076420) never changes.

Identity and time

Publication numberOT-2026-000076420 · never reused
Internal UUID01a0ae94-6a70-72e4-9d2f-c5d1ee140583 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076420
StatusPUBLIC

Content hashes

Canonical text7453b7f64d38268146217d4e1e1ed998aa96de506607e7169ca3303db915fa32
Markdown903b1081e2fcd344780439d1f1249a71bf9860b0c008f1b34c2d3944b70922b2
PDF
Publication pagec89370dff21bde2aead8eb648a5f46132ba4a94a0da031930f139be3cdaabe83
Manifestddbe8b77517a403e8dc302fc094f24ca18bc39acd62058fc7c68ff16b75f8de9

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
SignatureaxwWwL+fWhAUiwDFPyOFurSCnwlR9eaCKpZUFtauUX5rKjrgtaxlyui68zrxvS8z8ynT9UfuxZxRefhWwumyDg==
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

2026-09-17T10:12:23.790724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076420
observed c89370dff21bde2aead8eb648a5f4613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:23.768882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076420/manifest.json
observed ddbe8b77517a403e8dc302fc094f24ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:23.748832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076420/publication.md
observed 903b1081e2fcd344780439d1f1249a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:23.727683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076420/publication.txt
observed 7453b7f64d38268146217d4e1e1ed998...
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.