OpenTechnical

OT-2026-000050699

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000050699) never changes.

Identity and time

Publication numberOT-2026-000050699 · never reused
Internal UUID01a0ae82-c7b0-73c7-b72a-dfb6fe6bd0e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050699
StatusPUBLIC

Content hashes

Canonical textf3e8b78a6eb670e4c6169f68a68dec3b65888ef306fa784a422ae4b292ee2bb8
Markdownf0275c7284273bda1fa6543bc41fc499150c0e75a9c977329c0f0227163e8770
PDF
Publication pagebc6683767fa10b13297239bf20ebef313ea73d70b9d0d63d6d29c1ba6faa612d
Manifest57460c8e8fc3009d30ae512c3c40bb41d37a180d11508d4af1039cac3807e731

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
SignatureHavB5wyspnRoAG/KAKyoCyCxKbGltKHOT9SJ+y1eoumdhXuBnBHTqd9KnFCZ1K4kED//S/qdaJuLEn0oTsyHCQ==
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

2026-09-17T10:59:24.815690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050699
observed bc6683767fa10b13297239bf20ebef31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.797733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050699/manifest.json
observed 57460c8e8fc3009d30ae512c3c40bb41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.779168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050699/publication.md
observed f0275c7284273bda1fa6543bc41fc499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.761968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050699/publication.txt
observed f3e8b78a6eb670e4c6169f68a68dec3b...
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.