OT-2026-000003243
Publication integrity record
Apparatus for gripping a flat substrate
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-2026-000003243) never changes.
Identity and time
| Publication number | OT-2026-000003243 · never reused |
|---|---|
| Internal UUID | 01a0a6a3-8913-7602-9555-e87d3b3b2e3f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:55:30.452103Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003243 |
| Status | PUBLIC |
Content hashes
| Canonical text | efa221dee4466ba81c70fd0b641247bfb34e00cf73950578589be649bf536151 |
|---|---|
| Markdown | 15905531bb9965a9f5a1d0f0b9aa204dc7dfea42ebde0aa259ceb8eaf7bd41e1 |
| Publication page | ea87a4afb0f92c23acc62cb6545d706a541d5be2083c4635544fcc3a52716ac8 |
| Manifest | 86809275b504983071f43928eba1fb2cddd5c7c3a8f9a8452e699d722d46704b |
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 | yMxVyV6Q+b1OuJCe08LiU+bq4OLl0FZd95rsqjooN03jrHsuwy8vqu8CiXMwGU98y2Lbs4yKQrQYtktdCbWICQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-09-15T20:00:06.692891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003243observed ea87a4afb0f92c23acc62cb6545d706a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:00:06.663020Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003243/manifest.jsonobserved 86809275b504983071f43928eba1fb2c...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:06.646882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003243/publication.txtobserved efa221dee4466ba81c70fd0b641247bf...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 |
|---|