OT-2026-000002557
Publication integrity record
Robot using elevator and control method thereof
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-2026-000002557) never changes.
Identity and time
| Publication number | OT-2026-000002557 · never reused |
|---|---|
| Internal UUID | 01a0a67d-630d-757f-8f07-ae967cdce5f3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:13:50.350271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002557 |
| Status | PUBLIC |
Content hashes
| Canonical text | f6550b5c2855b713a76462ba00d3949a81c8530d634e76847ab4b38f552225d4 |
|---|---|
| Markdown | adabadf17bded994ce72fcb669659207bfcc77ba3070eaf08f193278fe72daf2 |
| Publication page | a4c11dde337416a593d5a6a6379083f8bd6745b71402da61857cbccf681eb79b |
| Manifest | 574be838a972a3b0ab0e6930b4c38b990b8175777a0cce58ee1b6eebf3c27380 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | /86daJWxiBvkTXs5zAiyArnojapH+Y4L+XxqDZwSYK6/w+79tRTj84WnD/FBGRSuzMFH7MZpA+ynX8+RiznfDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-17T04:41:56.307862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002557observed a4c11dde337416a593d5a6a6379083f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:41:56.106520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002557/manifest.jsonobserved 574be838a972a3b0ab0e6930b4c38b99...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:41:55.895853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002557/publication.mdobserved adabadf17bded994ce72fcb669659207...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:41:55.651266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002557/publication.txtobserved f6550b5c2855b713a76462ba00d3949a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:33.137793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002557observed a4c11dde337416a593d5a6a6379083f8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:33.104348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002557/manifest.jsonobserved 574be838a972a3b0ab0e6930b4c38b99...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:33.090815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002557/publication.txtobserved f6550b5c2855b713a76462ba00d3949a...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 archive | Pending 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-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|