OpenTechnical

OT-2026-000064113

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000064113) never changes.

Identity and time

Publication numberOT-2026-000064113 · never reused
Internal UUID01a0ae8d-a45f-7429-afdb-a167cc8a544c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064113
StatusPUBLIC

Content hashes

Canonical text0d34d91a94855f4264d1eaf18279534d3556c3e263fd5166f13154cd250a3763
Markdown1044755eb1b58587c837542fa8229fc12f374f8be9b0a7bf4d570a7ef3d193d7
PDF
Publication pagebfbde9385afcf2e84379edb0678c860e26ce14b5a7ee59246f061aaec2910036
Manifest7038aaad6fe42c93f40d976ec9306a36577b239563f1ba3db50790378f00e02e

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
SignatureBOBAWbk/uNGWbOaHuTukVnaLFtMWqMh6wjHDtomMUpnm9cpZZD5Pvk2weiwzD/v7P1lWN9AlKjO3oxllvkbCBg==
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

2026-09-17T10:36:06.518203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064113
observed bfbde9385afcf2e84379edb0678c860e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:06.500124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064113/manifest.json
observed 7038aaad6fe42c93f40d976ec9306a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:06.444839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064113/publication.md
observed 1044755eb1b58587c837542fa8229fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:06.382211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064113/publication.txt
observed 0d34d91a94855f4264d1eaf18279534d...
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.