OT-2026-000002769
Publication integrity record
A separator device adapted to be positioned between two ophthalmic lenses
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-2026-000002769) never changes.
Identity and time
| Publication number | OT-2026-000002769 · never reused |
|---|---|
| Internal UUID | 01a0a67e-ab37-7001-8348-2a0c78a691d2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:15:14.359636Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002769 |
| Status | PUBLIC |
Content hashes
| Canonical text | 387c86456b06b939eadc13b003cce25d69fe22b637a420c346bccbd00fa071cb |
|---|---|
| Markdown | 23e13b3d940f375cfca27f8456b556100da3d41a266a9223669cd58da3d8aa88 |
| Publication page | 07f2960be552b94dd8c9b1ea94fcc67a68eb38c01399025cb753b24dba9d58e8 |
| Manifest | c2049ff63a981f09ac8a3e56da0f5281d3b1ab2a18d5ea74a1a1e2454b406e1c |
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 | GmhMBqukFTGvzWt6cU5qP9xh2/pcU4A9zMELNBsjIZgCnB+zdOH29GlLKW0+tDqOM/7P4b31vwksZejn9TuICQ== |
| 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
| 2026-10-12T08:41:12.075520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002769observed 07f2960be552b94dd8c9b1ea94fcc67a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T08:41:12.003835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002769/manifest.jsonobserved c2049ff63a981f09ac8a3e56da0f5281...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:11.819821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002769/publication.mdobserved 23e13b3d940f375cfca27f8456b55610...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:11.587723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002769/publication.txtobserved 387c86456b06b939eadc13b003cce25d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:06.829077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002769observed 07f2960be552b94dd8c9b1ea94fcc67a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:06.672735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002769/manifest.jsonobserved c2049ff63a981f09ac8a3e56da0f5281...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:06.660123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002769/publication.txtobserved 387c86456b06b939eadc13b003cce25d...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 |
|---|