OT-2026-000000782
Publication integrity record
Additive manufactured assembly-free tool for maintenance of vehicle engine
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-2026-000000782) never changes.
Identity and time
| Publication number | OT-2026-000000782 · never reused |
|---|---|
| Internal UUID | 01a0a673-d19c-76eb-9b91-6277408efe52 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:23.293284Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000782 |
| Status | PUBLIC |
Content hashes
| Canonical text | a831a3bc447e9cf8a792344da2129a8b7fa0064c884b430eeb264ff42c97b29c |
|---|---|
| Markdown | 32aa4efc4dca7eaa16b359d80ead79e1134ea7ef15db376c292d377200152643 |
| Publication page | 2b903f6fc3c3d32fa5e19755875ed2d3309638890993659010cdd3f453b75bfb |
| Manifest | 78aa2613afba086290bad3e15a35970a4b0d3767809b391a0983c82c03b6ebb0 |
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 | q1g9ac9mtrK1EyawQPh6x26vdVOEtbHW8sfwQhXsPnJngU366yyP47PIDxl1ssa594MlcG8AKp3lTIMDGfSnAw== |
| 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
| 2026-09-15T20:30:36.195361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000782observed 2b903f6fc3c3d32fa5e19755875ed2d3...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:30:36.165713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000782/manifest.jsonobserved 78aa2613afba086290bad3e15a35970a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:36.153312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000782/publication.txtobserved a831a3bc447e9cf8a792344da2129a8b...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 |
|---|