OpenTechnical

OT-2026-000023349

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000023349) never changes.

Identity and time

Publication numberOT-2026-000023349 · never reused
Internal UUID01a0ae70-7268-764f-94db-1b30b5195467 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023349
StatusPUBLIC

Content hashes

Canonical textb885088d3326f8ad33de8ffed9e35e42f3c7c195d16d01301cac96c3c4a2be02
Markdown41a226b29b50c54950c1716e21eb58b426fbe51b07971bded6cfac4c1349d26a
PDF
Publication pagebef0ab97bef27377edb45d1791f56f441c9ad89daa6a22e27f1d5ba4a062775e
Manifest0ee0d377f4a6736080e398f45a9db34fab07c427d18fcd69d1e4dbebadc01f03

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
SignaturevZYu7U9cdQQiixx/2PvrCiGsen0XKJ+rMdpNh1Jt159QD4oGzlRgHEhDGP1h18xnlwHjU/IAY9GxtFcK1kKYBg==
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

2026-09-17T11:51:26.554133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023349
observed bef0ab97bef27377edb45d1791f56f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.536293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023349/manifest.json
observed 0ee0d377f4a6736080e398f45a9db34f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.517941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023349/publication.md
observed 41a226b29b50c54950c1716e21eb58b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.498778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023349/publication.txt
observed b885088d3326f8ad33de8ffed9e35e42...
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.