OpenTechnical

OT-2026-000019606

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000019606) never changes.

Identity and time

Publication numberOT-2026-000019606 · never reused
Internal UUID01a0ae6f-1fb2-7c7d-9bcd-5b29d1ef97df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019606
StatusPUBLIC

Content hashes

Canonical text13dcb010960500d8df74a50f153470aaf800948e5e750505a7c1d417d8abe8e7
Markdown65f377ba8bf333c45fb220d3ccae778793f916af68c214f3adb558a2488b886e
PDF
Publication page34243c3175ba6530ab875455ede7d41a8559242c760f9dbcf728c89f05bfb381
Manifest12bf88936e8d53cb261fdc47eb5bfff4ef983e584a42dfdbbf485c8b2ae73ffb

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
Signature1cqgfBczfH8K4ENzzF/EC3dD1DRUstrhGuUvptfUOQIOo6ZhfkAFaqXq78zfOlJRdfewcsPXnRExX3QWi1NUBA==
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

2026-09-17T12:00:44.743525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019606
observed 34243c3175ba6530ab875455ede7d41a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:44.726028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019606/manifest.json
observed 12bf88936e8d53cb261fdc47eb5bfff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:44.708386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019606/publication.md
observed 65f377ba8bf333c45fb220d3ccae7787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:44.689266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019606/publication.txt
observed 13dcb010960500d8df74a50f153470aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.137722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019606
observed 34243c3175ba6530ab875455ede7d41a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.116861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019606/manifest.json
observed 12bf88936e8d53cb261fdc47eb5bfff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.098203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019606/publication.md
observed 65f377ba8bf333c45fb220d3ccae7787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.079042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019606/publication.txt
observed 13dcb010960500d8df74a50f153470aa...
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.