OT-2026-000001728
Publication integrity record
Systems and methods for transporting slides
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-2026-000001728) never changes.
Identity and time
| Publication number | OT-2026-000001728 · never reused |
|---|---|
| Internal UUID | 01a0a678-0561-7e40-90cb-9f278a78eafe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:07:58.689646Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001728 |
| Status | PUBLIC |
Content hashes
| Canonical text | e703296a760ae49a6489bfbecdeb8d090d7d653d999c6561abd3c371da179976 |
|---|---|
| Markdown | af90d3acc10b929bd9babe8fe97344f3e78638eb3791d008919ce97e1376906b |
| Publication page | 425e09d15dee6315c471ce60dee773578bb9c5032cb3685a81fac77ecb0f6b5d |
| Manifest | 7e9e93c93a1ddfc88b6d04f85df756104a560a8376f27a80a5daef4c1fb9fc8a |
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 | 9YAifvNkeOo4r698yreAzZqhfr7WDxY8o7kR0mcFa+QkZS80ZVxzkxxCCSM+hE7CkT7P6TohspO5mPC/EOZ4Cg== |
| 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
| 2026-09-17T04:23:02.804919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001728observed 425e09d15dee6315c471ce60dee77357...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:23:02.785903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001728/manifest.jsonobserved 7e9e93c93a1ddfc88b6d04f85df75610...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:02.767918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001728/publication.mdobserved af90d3acc10b929bd9babe8fe97344f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:02.694420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001728/publication.txtobserved e703296a760ae49a6489bfbecdeb8d09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:32.405780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001728observed 425e09d15dee6315c471ce60dee77357...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:32.377474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001728/manifest.jsonobserved 7e9e93c93a1ddfc88b6d04f85df75610...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:32.365169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001728/publication.txtobserved e703296a760ae49a6489bfbecdeb8d09...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 |
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