OT-2026-000001217
Publication integrity record
Sprocket and rollers for log chain conveyor mechanism of an automatic carwash system
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-2026-000001217) never changes.
Identity and time
| Publication number | OT-2026-000001217 · never reused |
|---|---|
| Internal UUID | 01a0a674-9239-7416-a0a3-573ed474ca90 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:04:12.602337Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001217 |
| Status | PUBLIC |
Content hashes
| Canonical text | e628d69c8c051e9d2506cdf5760b92987d5ac2c37503b46189721f42a59f63d9 |
|---|---|
| Markdown | ac7cbcdd8f92f8283139b0f2b910930e6de851ae4533acfd4b1940dc7ed5ff41 |
| Publication page | 2c0544d5f6eb2c148519734f5d3d232af04867e6f75eb72392ab406ffc9c16f5 |
| Manifest | 13f9a046a1e9eba524e02fee81a4edc72089fb2030daf748f70a1b83e6a63a96 |
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 | X9lhQYjMeYZCofWJpZf+robEC2wP3YlHJ1lWeitKfusdvEcPHYMAevprRKH+QZ2ekVlBpzinM5vPWvDMR38LCg== |
| 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... |
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Independent retrieval
| 2026-09-21T00:41:06.012925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001217observed 2c0544d5f6eb2c148519734f5d3d232a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-21T00:41:05.874021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001217/manifest.jsonobserved 13f9a046a1e9eba524e02fee81a4edc7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T00:41:05.627226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001217/publication.mdobserved ac7cbcdd8f92f8283139b0f2b910930e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T00:41:05.331615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001217/publication.txtobserved e628d69c8c051e9d2506cdf5760b9298...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:46.390249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001217observed 2c0544d5f6eb2c148519734f5d3d232a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:46.003219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001217/manifest.jsonobserved 13f9a046a1e9eba524e02fee81a4edc7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:45.433630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001217/publication.mdobserved ac7cbcdd8f92f8283139b0f2b910930e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:44.746213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001217/publication.txtobserved e628d69c8c051e9d2506cdf5760b9298...fetched by grabo-systems from 34.44.131.203, 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 |
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