OpenTechnical

OT-2026-000011907

Publication integrity record

Four finger electric gripper, stripped 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-2026-000011907) never changes.

Identity and time

Publication numberOT-2026-000011907 · never reused
Internal UUID01a0ae6d-1942-7531-90e4-a39f96067c05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011907
StatusPUBLIC

Content hashes

Canonical text7b19eeb2b610c37077ba5b9d65354e95c682e4e2091439aae2ec192d1fc2890a
Markdown85728c309424bd75ee2dceac3494ee8d89dd1b9f0542e5621a6e98f9201166f1
PDF
Publication page2a77e7fc891619abe49874a678f8f04b4f45ac656698034a3819c710e63bed35
Manifest5f61b4db343322e356d7ce2f9d600b62e9d40729f8e108367b7ecad85a262dbe

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
SignatureaQfo7yKqPVEj/Xd2ZeTSe2RAI+izKcSvam6/li2e6wyPWgRUqh5iprS977oo1jXweaMy2zUTH0Lm3KAb5EkhAQ==
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

2026-09-17T12:12:40.112159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011907
observed 2a77e7fc891619abe49874a678f8f04b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:40.078353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011907/manifest.json
observed 5f61b4db343322e356d7ce2f9d600b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:40.060044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011907/publication.md
observed 85728c309424bd75ee2dceac3494ee8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:40.026161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011907/publication.txt
observed 7b19eeb2b610c37077ba5b9d65354e95...
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.