OpenTechnical

OT-2026-000064753

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000064753) never changes.

Identity and time

Publication numberOT-2026-000064753 · never reused
Internal UUID01a0ae8d-deba-755c-b0ca-461bbd04a261 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064753
StatusPUBLIC

Content hashes

Canonical text0086f199015b2f75722fc36832cbe8092a179585051abe88bd64f431bbeb2572
Markdown92aa81ddef3845cf92257ea54f567a0057e84769fcbd1092ed90dfcb58d8dfc2
PDF
Publication page2cedd997762bae00121e3e7cc2bc03105b1d7c3a9e031f7009c572b639298e8d
Manifest6b6518e1b47a49089638695f12e20f787e907625d590a0432a7069623c28d41b

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
SignaturebvNOlC9SRoKw2c+RXoJ7vrB3Z57MHRqlww/H3X/go3cgMMKi18d355Em9F1iOA2sdo9nvLFgZLE2BOaDgNDHDg==
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

2026-09-17T10:35:38.197650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064753
observed 2cedd997762bae00121e3e7cc2bc0310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:38.181329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064753/manifest.json
observed 6b6518e1b47a49089638695f12e20f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:38.162465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064753/publication.md
observed 92aa81ddef3845cf92257ea54f567a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:38.129136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064753/publication.txt
observed 0086f199015b2f75722fc36832cbe809...
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.