OT-2026-000002020
Publication integrity record
Method for hemming edges of components
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-2026-000002020) never changes.
Identity and time
| Publication number | OT-2026-000002020 · never reused |
|---|---|
| Internal UUID | 01a0a67a-187a-76f3-9783-2fd48b3b9a4f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:10:14.650576Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002020 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7bbbb5886b471c1c25611e99c784d85490a249b614a1e8b5cf37f08d331178de |
|---|---|
| Markdown | 8128f92974de647a787cf93f519c3d1dea2e4ed1fb85c295acf4ea2af74ea544 |
| Publication page | 2cf3382c896f7c712d5c8afe40267413afadc63ac7f539aac64ccccb50513856 |
| Manifest | 334d871c3d518ffb7cc1a3d5332205fc67db09bcbeba4972539807c6f9e77ce4 |
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 | l2iaysJ8IUxc3Ri9+/ohf2HMZs1BT6guBSWTxCg1wsn7qdVUPdbA6yX/Vwc+I25tB7F+xo8woIGu30Y+UOEcBg== |
| 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
| 2026-09-15T19:50:34.326080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002020observed 2cf3382c896f7c712d5c8afe40267413...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:50:34.177407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002020/manifest.jsonobserved 334d871c3d518ffb7cc1a3d5332205fc...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:34.163281Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002020/publication.txtobserved 7bbbb5886b471c1c25611e99c784d854...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 |
|---|