OpenTechnical

OT-2026-000079458

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented after 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-2026-000079458) never changes.

Identity and time

Publication numberOT-2026-000079458 · never reused
Internal UUID01a0ae96-0b91-77e7-b46b-062eae9cbf6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079458
StatusPUBLIC

Content hashes

Canonical text26ffd716d3321fbf80086399ba31083b2ab4fd25df5244693961853af44e1e3b
Markdown74f43abca0c0a01a8c169dc95247da0d040a14216ed8914e6eaec02b4aa07d2d
PDF
Publication page7075c6f19e4a81ec88762abf13abdd4323ebf8476f0f44a168d9e1ed0098b823
Manifeste94951895f63db3c45a62ed3dbc5b8311dd26ca3f8a01d0a7eb6576704142544

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
SignatureKFZDZK1otrSYDvKyn/2/wClMqkiGfI85v6CYDEIGYaG4VYHzafBQqndg1dOvotiGVpKyUi5VcnO14XZ9T/U4Cw==
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

2026-09-17T10:05:05.067412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079458
observed 7075c6f19e4a81ec88762abf13abdd43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.050890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079458/manifest.json
observed e94951895f63db3c45a62ed3dbc5b831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.030332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079458/publication.md
observed 74f43abca0c0a01a8c169dc95247da0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.012717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079458/publication.txt
observed 26ffd716d3321fbf80086399ba31083b...
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.