OT-2026-000001303
Publication integrity record
Wire-feed friction stir additive manufacturing systems, devices, and methods
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-2026-000001303) never changes.
Identity and time
| Publication number | OT-2026-000001303 · never reused |
|---|---|
| Internal UUID | 01a0a675-1e10-7dae-98af-960975980d71 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:04:48.402004Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001303 |
| Status | PUBLIC |
Content hashes
| Canonical text | 23021ebbca352e1c8516f9cb2b0f3dd9a3c5b7654e2053a14d4c496cbf0fb6f6 |
|---|---|
| Markdown | 0d7098bc5589023fe023bb46bbd0b1229fc9fdf637948b5b474b7a191c8e0a22 |
| Publication page | e60748a8a4a7d388aa11564566703e95f17b1526a3fb95d7a2bda02608e01e19 |
| Manifest | 1fca89282041ea86c820d5073211f745a44c4e159f6e6ff05029be8f95e85005 |
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 | dGCOmpGd6KUsxR0As1lHKtxHSXdmPpDVtvP1FnOAQkJXLZmllSE9Ul502OAvFohhu74ZPnftReT6+K/QiTlxBw== |
| 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... |
|---|
Independent retrieval
| 2026-09-15T20:10:32.709705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001303observed e60748a8a4a7d388aa11564566703e95...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:10:32.552013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001303/manifest.jsonobserved 1fca89282041ea86c820d5073211f745...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:32.539341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001303/publication.txtobserved 23021ebbca352e1c8516f9cb2b0f3dd9...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 |
|---|