OpenTechnical

OT-2026-000025822

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000025822) never changes.

Identity and time

Publication numberOT-2026-000025822 · never reused
Internal UUID01a0ae71-a83e-76ff-9e98-0f6c2732b201 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025822
StatusPUBLIC

Content hashes

Canonical textc1f6baa5eda4bcaa9bfb268653e369c78f56533b91db37ecaf63db941e7df870
Markdown2b5cdc8862e5936058ea453a6c4276d0b57ab0684dd40df297f58d238ef9cbef
PDF
Publication page38e3ed6715f15830681f124bd29f8eeea43dbbc93f46fa300ed5b340bb71d83b
Manifest689c26a2f3c1e1c58144900009ffce11e881cd08714177357d78636504da2d0e

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
SignaturelH2YJY4v6su+u7WE/c00JQOwmxX5RussBvq9v65i0gxexZS4BQfMhSeMfJzswuTtQ9UEVRkuEJa2GDrGKLRXAw==
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

2026-09-17T11:46:02.653283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025822
observed 38e3ed6715f15830681f124bd29f8eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.631520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025822/manifest.json
observed 689c26a2f3c1e1c58144900009ffce11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.613209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025822/publication.md
observed 2b5cdc8862e5936058ea453a6c4276d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.596932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025822/publication.txt
observed c1f6baa5eda4bcaa9bfb268653e369c7...
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.