OpenTechnical

OT-2026-000025741

Publication integrity record

Four cup 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-2026-000025741) never changes.

Identity and time

Publication numberOT-2026-000025741 · never reused
Internal UUID01a0ae71-9bca-7870-8599-62452177391c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025741
StatusPUBLIC

Content hashes

Canonical textfac363da63b7fb2dfa98c9784b449baf2cb280a7f67a828b2ae1b355d64ca1f2
Markdownde3141dc00ee1104f2260744ac812bc03aa2624c8c446a2d0151a9ce86e67feb
PDF
Publication paged1bc7e3ecb3033d37d8220341433f054947b7b35ecc90c49e45bcdc4b128c7e2
Manifestcfb319e3ec1e8b67165521acdc84c11a420937bc9ad90ab30c08e08594caa22c

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
Signature7xFwmeGkKB//NGSpIhFi9Epm5TkbFCOTb6ErBSNMkvFDjX5oHFqhQEcbpCuJOJd1tIHpijH2v1mrHvLFxtcOBQ==
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

2026-09-17T11:46:57.932651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025741
observed d1bc7e3ecb3033d37d8220341433f054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.913364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025741/manifest.json
observed cfb319e3ec1e8b67165521acdc84c11a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.895919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025741/publication.md
observed de3141dc00ee1104f2260744ac812bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.878855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025741/publication.txt
observed fac363da63b7fb2dfa98c9784b449baf...
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.