OpenTechnical

OT-2026-000015481

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000015481) never changes.

Identity and time

Publication numberOT-2026-000015481 · never reused
Internal UUID01a0ae6d-ef4a-7ba0-81a4-ae135ad1c776 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015481
StatusPUBLIC

Content hashes

Canonical text3acf3eec921baf9dcb49a06557a38c361d46ba0b937992a581364ec337835c3c
Markdown6e40f690987d6ff56fe2a2d61206a25a28d0db79127c7aea772d8c1621837eef
PDF
Publication page1c1b3404c79336047824dfa4cec46fedcdf5e623b99912cefc53bce46eb523e6
Manifest4e49b2cdcf0cb8ea5130f298fbfa1aebb6086fa437a9ce78e62e5fcff859f107

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
SignatureCt5TSI3n9TCCwiSoBLaRaH1tUaPb5R0/AU1zuhjUyCZ1DAA9f/CY+Q6hoJNJwPaotgXsKRGgNxOO5x7pvloyBQ==
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

2026-09-17T12:06:14.490981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015481
observed 1c1b3404c79336047824dfa4cec46fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.471778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015481/manifest.json
observed 4e49b2cdcf0cb8ea5130f298fbfa1aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.453436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015481/publication.md
observed 6e40f690987d6ff56fe2a2d61206a25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.428970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015481/publication.txt
observed 3acf3eec921baf9dcb49a06557a38c36...
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.