OT-2026-000002748
Publication integrity record
Particle filtering for learning object physics from robot interaction videos
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-2026-000002748) never changes.
Identity and time
| Publication number | OT-2026-000002748 · never reused |
|---|---|
| Internal UUID | 01a0a67e-8951-7dd9-9bb8-68f0e2b77ea7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:15:05.682105Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002748 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2ef8fc5f5e753ca71762c42a9370aabf45e77dba012eadab0bc88cac1484fadc |
|---|---|
| Markdown | 555e2fd8a37026bede662b6d603e92436aa23e9ec97a0ca27172820b15489828 |
| Publication page | 602fe4500a163b9617190be59b58da05405fd1330ed040822010ae57015e7652 |
| Manifest | ffba2e518382696acfd8d37fda63c3f9ead2f0f4a0914dfe0a9260f681ff8b10 |
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 | aw3YMl6wQLemapagmH0fml8gUqV762NUV5J47tx3X2byROzbZtPCWnfOuwXt3cvjewwg8XcBJTBk13pSfdSGBQ== |
| 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
| 2026-09-16T04:23:06.347530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002748observed 602fe4500a163b9617190be59b58da05...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T04:23:06.331571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002748/manifest.jsonobserved ffba2e518382696acfd8d37fda63c3f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:06.314246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002748/publication.mdobserved 555e2fd8a37026bede662b6d603e9243...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:06.276726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002748/publication.txtobserved 2ef8fc5f5e753ca71762c42a9370aabf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:09.328434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002748observed 602fe4500a163b9617190be59b58da05...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:09.172879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002748/manifest.jsonobserved ffba2e518382696acfd8d37fda63c3f9...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:09.158210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002748/publication.txtobserved 2ef8fc5f5e753ca71762c42a9370aabf...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 |
|---|