OpenTechnical

OT-2026-000001861

Publication integrity record

Drum coupling automation robot and drum coupling automation method

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-2026-000001861) never changes.

Identity and time

Publication numberOT-2026-000001861 · never reused
Internal UUID01a0a679-10b4-744c-b9d5-018fbd16ad84 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:09:07.124918Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001861
StatusPUBLIC

Content hashes

Canonical textbde9be0cfa8c70e74b9fd9f4f1b6b1d5c4965d3dfa5b280f6ad5caeeffc6c01d
Markdownfbf06ae4bcb06c4c03c62b8b964140dd991d85aa84f07c506ccbff9a47363c4b
PDF
Publication pageb5c80e512c91e3a09d3c5d0f8e97acc0817140e75f692e4c196c90f7802517a9
Manifest5a296d2f2796e7b3e0a379b98e18df5c5cb4545bfdcbeab0c540ffffd848d94c

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
SignaturevFNGMU+zeDv/CAxCm/8z7vsJBTPLVgsOWXvV1JQb3RrEpZ3UFQB2022eWdDiBabWQi5GOF/5ePbWnsT9vDVTDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-16T04:23:15.245638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001861
observed b5c80e512c91e3a09d3c5d0f8e97acc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:15.210135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001861/manifest.json
observed 5a296d2f2796e7b3e0a379b98e18df5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:15.195892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001861/publication.md
observed fbf06ae4bcb06c4c03c62b8b964140dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:15.161775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001861/publication.txt
observed bde9be0cfa8c70e74b9fd9f4f1b6b1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T19:10:17.643988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001861
observed b5c80e512c91e3a09d3c5d0f8e97acc0...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:17.616220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001861/manifest.json
observed 5a296d2f2796e7b3e0a379b98e18df5c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:17.603771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001861/publication.txt
observed bde9be0cfa8c70e74b9fd9f4f1b6b1d5...
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