OT-2026-000003187
Publication integrity record
Device for transporting substrates
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-2026-000003187) never changes.
Identity and time
| Publication number | OT-2026-000003187 · never reused |
|---|---|
| Internal UUID | 01a0a69a-e374-7cee-8601-eec623563593 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:46:03.765118Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003187 |
| Status | PUBLIC |
Content hashes
| Canonical text | e018a0af4dee7f44f1678b9ea54e7de6af53c85f346551a5968fbde132a4b316 |
|---|---|
| Markdown | 6394f67ab1872478b9db3d72d0f86faa72c900d33cef416e893f4e64aa099e71 |
| Publication page | 3a717fc4385b89f82cabd2f75313bd58bbd1ca7c9c25c7514d71c230ab6e6bd1 |
| Manifest | 67eaf6141794bb39b7fa9652c794322643d1347f4a3701637a1eec1982c9c9cc |
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 | 5vXM6DoZfMnDX7ptsTDQAg2DnWtsF2JmoB1Ok2YbbNmVIzsELROH9GcSNy2HdWN9PARE+GWIGmE6BrimK4mSCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:47:02Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 713cd89b73be422b38f7894d4fb6a755... |
|---|
Independent retrieval
| 2026-09-15T19:50:04.639490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003187observed 3a717fc4385b89f82cabd2f75313bd58...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:50:04.614035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003187/manifest.jsonobserved 67eaf6141794bb39b7fa9652c7943226...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:04.601520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003187/publication.txtobserved e018a0af4dee7f44f1678b9ea54e7de6...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 |
|---|