OpenTechnical

OT-2026-000032049

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000032049) never changes.

Identity and time

Publication numberOT-2026-000032049 · never reused
Internal UUID01a0ae74-bad3-7bfd-823f-e2cb287b9286 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032049
StatusPUBLIC

Content hashes

Canonical text8e747e5b9d5057434a2b35f54acee5efeff864a81eb78c89aac33da143a32bb6
Markdowned09094d5c87eab474a71861b0be2a51fde61374356a79128befa75342fdf57a
PDF
Publication page09973b4678ff91e69a6f6c48723a4ba76e65dcda844ead4ae709e0d23d09c66f
Manifest724342e019b7b5206fbe4a5d9e4c41f4f57580027f71eae12fbc55481c7108ba

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
Signaturep40MZdjrlDFkyuW2tC1xEU82q90HKgxunxceOKjqpgEAodIt3Rxpf9Hpcqh1Bzdf7ozpWiUf8uoIP2X8SqhjCg==
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

2026-09-17T11:35:27.851860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032049
observed 09973b4678ff91e69a6f6c48723a4ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.832713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032049/manifest.json
observed 724342e019b7b5206fbe4a5d9e4c41f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.813825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032049/publication.md
observed ed09094d5c87eab474a71861b0be2a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.794283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032049/publication.txt
observed 8e747e5b9d5057434a2b35f54acee5ef...
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.