OpenTechnical

OT-2026-000010473

Publication integrity record

Foam pad vacuum gripper, single stage ejector, 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-2026-000010473) never changes.

Identity and time

Publication numberOT-2026-000010473 · never reused
Internal UUID01a0ae6c-0ee7-7dff-beae-4750b7897e80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010473
StatusPUBLIC

Content hashes

Canonical text561ebd0bbb2fbc94b0c73894a422e6de3c609021a8bac3a9948e9e71dae7360d
Markdown75bc1ec9fda28b371c1e3583ea8ac274bbf8fc13b30094cfa96eaede649397b2
PDF
Publication pagea1362736e76177ab3245764551fc3315b41b911edb8dc8b845de98f868b4d762
Manifest5906febbcb344637f90137b372c6450aa72e48d909c84dae246943887f93d012

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
Signaturea8FYrg6ECYST1eG4iqLAr28F69Db7I8Auev+6C4A2vLqSol6z0+BAQTJTqtsQBs6OS1kNkiwkAjb5n51E7LJDA==
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

2026-09-17T12:14:36.971046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010473
observed a1362736e76177ab3245764551fc3315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:36.950123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010473/manifest.json
observed 5906febbcb344637f90137b372c6450a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:36.927639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010473/publication.md
observed 75bc1ec9fda28b371c1e3583ea8ac274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:36.907999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010473/publication.txt
observed 561ebd0bbb2fbc94b0c73894a422e6de...
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.