OT-2026-000000053
Publication integrity record
Resistance Spot Weld Quality Inference From Electrode Displacement
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-2026-000000053) never changes.
Identity and time
| Publication number | OT-2026-000000053 · never reused |
|---|---|
| Internal UUID | 01a0a4ea-281d-76ef-9289-62b64ae091ae · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T11:53:24.255974Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000053 |
| Status | PUBLIC |
Content hashes
| Canonical text | f70c8d07ba3d9bdf39cf8479896d494c529c1240ecdc540370ab10402e88256c |
|---|---|
| Markdown | 92d5873fa465da80d0a591992c88231ecfd43ffccbd8d51671c9707c7e357726 |
| 9c5eaff7ad03676ba809305628b2bfb698ef2197fa0d4757dd3c433565086c40 | |
| Publication page | 4144f8f26a9827263db4f9d095decdc7a4506957e1d8f2e7bacc840fddb978f3 |
| Manifest | 7e97c965e558058a6ab002a72022e1e43735fb2e2e0cbd441d93e36e0c2a503b |
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-2026-02 · Verified |
|---|---|
| Signature | q/p6ywrCLQOksKafKPZ7PzJOMZZuccR0ZJzF/DM40e2NUWxJ9SZdf8u1yVuTqIky6tEweffKC6ubDGAeodM4CA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T12:03:59Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root 374ac7be5b27e8fbd4755a00ec69d4c7... |
|---|
Independent retrieval
| 2026-09-15T12:41:07.625925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000053observed 4144f8f26a9827263db4f9d095decdc7...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T12:41:07.337701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000053/publication.pdfobserved 9c5eaff7ad03676ba809305628b2bfb6...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:41:07.138783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000053/manifest.jsonobserved 7e97c965e558058a6ab002a72022e1e4...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:41:06.983787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000053/publication.txtobserved f70c8d07ba3d9bdf39cf8479896d494c...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:00:03.242403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000053observed 4144f8f26a9827263db4f9d095decdc7...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:00:03.221708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000053/publication.pdfobserved 9c5eaff7ad03676ba809305628b2bfb6...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:00:03.191888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000053/manifest.jsonobserved 7e97c965e558058a6ab002a72022e1e4...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:00:03.159420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000053/publication.txtobserved f70c8d07ba3d9bdf39cf8479896d494c...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.zstf5540ade9ee87306569c02456843c15d... · 9,431,008 bytes · held by held on site pending an external custodian · retention permanent |
|---|