OT-2026-000001525
Publication integrity record
Calibration apparatus for calibrating mechanism error parameter for controlling 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-2026-000001525) never changes.
Identity and time
| Publication number | OT-2026-000001525 · never reused |
|---|---|
| Internal UUID | 01a0a676-9e0b-7675-95fa-8742308d7d89 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:06:26.699726Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001525 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8d7cb222b3b81474891a5304164d084b6468e706079491ad4474007515066c7f |
|---|---|
| Markdown | c0fcdb6730f93cf2e74305a1030c006bc513a6cc5d1a5abc01bfcbdbd218f2db |
| Publication page | df05766d8caffdfa0c67a29fe5091b47f3b8f54efa8b0022562f09e0dfc9b309 |
| Manifest | 3bda9d325a619ab6468d0219cae24c8b367ab9e8bae29122dd4cbe9a3375b8ae |
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 | n0guP1D55+UqylMbfkvIlkWKIBTPcfo183WXMeWMgUUEIFHzTYoLf2ePu+8Kg+pQUH54qIUH41icVP1huMlvCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-09-15T20:00:34.398221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001525observed df05766d8caffdfa0c67a29fe5091b47...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:00:34.240927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001525/manifest.jsonobserved 3bda9d325a619ab6468d0219cae24c8b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:34.228482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001525/publication.txtobserved 8d7cb222b3b81474891a5304164d084b...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 |
|---|