OpenTechnical

OT-2026-000000933

Publication integrity record

Sensor apparatus and system for detecting a travel region of an industrial robot

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-2026-000000933) never changes.

Identity and time

Publication numberOT-2026-000000933 · never reused
Internal UUID01a0a674-05c6-7940-97c9-18cdd4297279 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:36.647279Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000933
StatusPUBLIC

Content hashes

Canonical textd7a235ca7eeb6abfce11c43885af79a7148deec3924789e6434b2b455d6ba0dc
Markdown08e993fb462db76eff69bc1a5bd4bf396637ea322a6dc7b44eb25656211d282f
PDF
Publication pagea216a195068e7fad87948a388edc8ba499b723f89a9a6c1afa88eef9b551e091
Manifestfc4d7e7d1c3e1ae0eb16da37adc5ff641f026b998957346b7b549ed0b2bf688c

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
SignaturePAlNfolDnKpTBW/W5jCul58Xy8RWi3wqL5o/cUvMhOQcAwzGEL6BMRRHGOBKRbpYnjq9pU6bTXoJ7EDGpB0+Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-16T04:44:10.440841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000933
observed a216a195068e7fad87948a388edc8ba4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:44:10.291490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000933/manifest.json
observed fc4d7e7d1c3e1ae0eb16da37adc5ff64...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:44:10.163167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000933/publication.md
observed 08e993fb462db76eff69bc1a5bd4bf39...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:44:10.005696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000933/publication.txt
observed d7a235ca7eeb6abfce11c43885af79a7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:30:18.172054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000933
observed a216a195068e7fad87948a388edc8ba4...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:18.142822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000933/manifest.json
observed fc4d7e7d1c3e1ae0eb16da37adc5ff64...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:18.130143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000933/publication.txt
observed d7a235ca7eeb6abfce11c43885af79a7...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent