OpenTechnical

OT-2026-000001172

Publication integrity record

Robot end effector for surface treatment of soft materials and method for controlling robot having the same

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-2026-000001172) never changes.

Identity and time

Publication numberOT-2026-000001172 · never reused
Internal UUID01a0a674-5a00-7a1b-ad6f-64840bf0d8f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:58.208847Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001172
StatusPUBLIC

Content hashes

Canonical text302bda6e59f0f2c66c47038164a1a8ec8ceae7c371c1cd634e3dbef7850a6efd
Markdown6d4bfb4c1c40b6272354ae8134a30c352126f610ebd728161becf6fc6531cd84
PDF
Publication page16eafc1eefca5d6d236bb69a5c7db23af698e231097441bd44b2623598c6c73f
Manifest8a09faed815531a7b421930786afc40b6255772c60edc1a0c8fae2564a856b31

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
SignaturerzGfjNIQgCqfcfwtqkXq1Wsf9ZiqZSztfTi1wvnCv2LLYTqHIEsGbqJNCMXUT8NXW4p3TqE6ACvQa6ulwajWAg==
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

2026-09-16T04:23:18.187431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001172
observed 16eafc1eefca5d6d236bb69a5c7db23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:18.173987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001172/manifest.json
observed 8a09faed815531a7b421930786afc40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:18.160512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001172/publication.md
observed 6d4bfb4c1c40b6272354ae8134a30c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:18.145814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001172/publication.txt
observed 302bda6e59f0f2c66c47038164a1a8ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T20:20:15.903706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001172
observed 16eafc1eefca5d6d236bb69a5c7db23a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:15.868584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001172/manifest.json
observed 8a09faed815531a7b421930786afc40b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:15.856804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001172/publication.txt
observed 302bda6e59f0f2c66c47038164a1a8ec...
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