OT-2026-000002805
Publication integrity record
System and method for piston recoil pressure adjustment
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-2026-000002805) never changes.
Identity and time
| Publication number | OT-2026-000002805 · never reused |
|---|---|
| Internal UUID | 01a0a67e-e218-789d-8c86-1cfc7d61ab62 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:15:28.409280Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002805 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4feeb1d071741fe9edc392305d2532c4f393918b042fded4ed5eafc349a3ab4d |
|---|---|
| Markdown | d8b784bea822a5e86177125827e09429a6eacc19aaa5894032ac0a468c2615aa |
| Publication page | 545c95e89f810ffa4b4ef9a04e9a7e5a5df6e20e5443b0cb8fe7d0e04322f0f1 |
| Manifest | 05fb130f6a6a2b0e5f2147db16a6ffecf5439e3f96509dc29624897b3a47055d |
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 | JlXIEAGNpY+Ni/Yjv8Qkutj4UmHnvQFFNS8hJ9OUdTXmPdU8hX8qcTlIowe3WYGU2ALaIj6+Fd9SAbQ2nrk+Aw== |
| 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
| 2026-10-09T04:23:14.555286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002805observed 545c95e89f810ffa4b4ef9a04e9a7e5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T04:23:14.540218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002805/manifest.jsonobserved 05fb130f6a6a2b0e5f2147db16a6ffec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:14.523027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002805/publication.mdobserved d8b784bea822a5e86177125827e09429...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:14.418688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002805/publication.txtobserved 4feeb1d071741fe9edc392305d2532c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:07.005955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002805observed 545c95e89f810ffa4b4ef9a04e9a7e5a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:06.922171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002805/manifest.jsonobserved 05fb130f6a6a2b0e5f2147db16a6ffec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:06.820457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002805/publication.mdobserved d8b784bea822a5e86177125827e09429...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:06.680310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002805/publication.txtobserved 4feeb1d071741fe9edc392305d2532c4...fetched by grabo-systems from 34.44.131.203, 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 |
|---|