OT-2026-000001969
Publication integrity record
Dynamic mass estimation methods for an integrated mobile manipulator 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-2026-000001969) never changes.
Identity and time
| Publication number | OT-2026-000001969 · never reused |
|---|---|
| Internal UUID | 01a0a679-bdb9-771b-92d2-929f8e95f021 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:09:51.417906Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001969 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6497995bda24da7724c11d7378752476e31b97220a7560b58e42aa1b9a08eb5b |
|---|---|
| Markdown | a40c2fff95b93efeda4053a59c84a3303c1244305834859d71ae3acd51c2c39f |
| Publication page | fdb05a667598559194df787754406fa1d507beeea8c1644c4c85e905163e1e91 |
| Manifest | d2fd3030c8be48224eb9a3126fcd820b0d4ac6b982d90a5f2ccf1b4fa656c5eb |
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 | vUCLPtDO793EWJDz6WkqEk0CZUqkIt4HcdayFe/4/xd6yaP2kOWwx/ScrmPtMLE6W96+Z5nPe1SmUMoVYRcPAQ== |
| 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
| 2026-10-03T04:42:31.095637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001969observed fdb05a667598559194df787754406fa1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-03T04:42:30.971854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001969/manifest.jsonobserved d2fd3030c8be48224eb9a3126fcd820b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:42:30.859342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001969/publication.mdobserved a40c2fff95b93efeda4053a59c84a330...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:42:30.589721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001969/publication.txtobserved 6497995bda24da7724c11d7378752476...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:05.834752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001969observed fdb05a667598559194df787754406fa1...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:05.682518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001969/manifest.jsonobserved d2fd3030c8be48224eb9a3126fcd820b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:05.668561Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001969/publication.txtobserved 6497995bda24da7724c11d7378752476...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 |
|---|