OT-2026-000001880
Publication integrity record
Method of manufacturing press-formed product, apparatus for transporting heated workpiece, and hot-press manufacturing line
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-2026-000001880) never changes.
Identity and time
| Publication number | OT-2026-000001880 · never reused |
|---|---|
| Internal UUID | 01a0a679-30e6-7d05-8520-dbc148b7b309 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:09:15.366793Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001880 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3d9577edf55db2621982880c65cc607b0521578bfe972bba8f2f2466feeed7a3 |
|---|---|
| Markdown | 979ead616f35e3091886166b96945e280b290116f98451be27be4f46cbf3e480 |
| Publication page | f7e4de2a8fd5115ec2d83743878dfb24f11da5bdfa1c78ab983676a2872e9f7e |
| Manifest | e8d6160d450e9afaa17e5c7ce65a4dd29e6ba46ff8908512946a2d9d228b2a53 |
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 | zTXQBwWorVLknavthbHMg/upLEInOWCb8BRXobDnApd7i5xIattI3TIUmkuY5766LsQL9KjLUVXzUWQ876O8Bg== |
| 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... |
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Independent retrieval
| 2026-09-15T20:42:05.900827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001880observed f7e4de2a8fd5115ec2d83743878dfb24...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:42:05.138085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001880/manifest.jsonobserved e8d6160d450e9afaa17e5c7ce65a4dd2...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:42:04.874576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001880/publication.txtobserved 3d9577edf55db2621982880c65cc607b...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:15.617773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001880observed f7e4de2a8fd5115ec2d83743878dfb24...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:15.589805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001880/manifest.jsonobserved e8d6160d450e9afaa17e5c7ce65a4dd2...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:15.576234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001880/publication.txtobserved 3d9577edf55db2621982880c65cc607b...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 |
|---|