OT-2026-000000462
Publication integrity record
Fixture and Method for Improving the Performance of Electromagnetic Pulse Welding Joints
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-2026-000000462) never changes.
Identity and time
| Publication number | OT-2026-000000462 · never reused |
|---|---|
| Internal UUID | 01a0a673-62e1-7b70-aaf6-d7472f9c85a6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:54.945981Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000462 |
| Status | PUBLIC |
Content hashes
| Canonical text | a87613b6e87e3736a75f021ee08b94f25f3d2efc912282c868f24b45eaa3ff92 |
|---|---|
| Markdown | 8b5f86b8869186d20206ae117e1bc5336be4827e44526587a66d0e86e3238363 |
| Publication page | cea579b921195affe83fd6b3ccb4420cef7a63d7743efc2ad0575fb0c2abbbc5 |
| Manifest | 0c017fa5d98cfd66002285b76836e00de95ea414f61c1ed345dc7b8d27d8a226 |
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 | gfHTyVP+FhqXcUoCij1oz54f00Osfq721AiqANcht9SsdVBpggIheg8YgW1I0+udUe+8IsUPscAth7FwpEiZCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
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Independent retrieval
| 2026-09-16T04:23:10.344224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000462observed cea579b921195affe83fd6b3ccb4420c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T04:23:10.329788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000462/manifest.jsonobserved 0c017fa5d98cfd66002285b76836e00d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:10.317234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000462/publication.mdobserved 8b5f86b8869186d20206ae117e1bc533...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:10.304080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000462/publication.txtobserved a87613b6e87e3736a75f021ee08b94f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:06.849614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000462observed cea579b921195affe83fd6b3ccb4420c...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:06.817754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000462/manifest.jsonobserved 0c017fa5d98cfd66002285b76836e00d...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:06.799040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000462/publication.txtobserved a87613b6e87e3736a75f021ee08b94f2...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. |
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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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