OpenTechnical

OT-2026-000064697

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000064697) never changes.

Identity and time

Publication numberOT-2026-000064697 · never reused
Internal UUID01a0ae8d-deb9-737b-9813-8f20dff62ca2 · 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-2026-000064697
StatusPUBLIC

Content hashes

Canonical text0ccde7c3e95729949563172d5e44e194c227f1292ce8b7442bd0d3d0bb4634fb
Markdownfc7cdf109f3c4f4f029b7a2a8c9dca76835b38fffba5a1f6383f8b465e78c684
PDF
Publication page1e770c9c6b7a7f7bb16696a9285e353a12b4f28d53e72de3d50794cba741cb30
Manifeste87d8e8b311bf4c24e2ff54d36d2d590d0b69017717a85a9b13356bd62e440ab

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
Signature1BspAPKg5ESr/UOkQ617vea1In8r7v54Y9CfSS9bMUcyCFsin+Yv/fqDpiQxPTkPo7CiFazQH7PUIyX/wUu1DQ==
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

2026-09-17T10:35:33.952269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064697
observed 1e770c9c6b7a7f7bb16696a9285e353a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.933891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064697/manifest.json
observed e87d8e8b311bf4c24e2ff54d36d2d590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.891018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064697/publication.md
observed fc7cdf109f3c4f4f029b7a2a8c9dca76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.846150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064697/publication.txt
observed 0ccde7c3e95729949563172d5e44e194...
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.