OT-2026-000000591
Publication integrity record
Tube manufacturing support device and tube manufacturing method
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-2026-000000591) never changes.
Identity and time
| Publication number | OT-2026-000000591 · never reused |
|---|---|
| Internal UUID | 01a0a673-9455-79a2-951a-2c544670ade5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:07.606021Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000591 |
| Status | PUBLIC |
Content hashes
| Canonical text | bea44eaa2f1f8cc6bbd1954556ea2c604cc213a52a714c5666cda9c6df28a379 |
|---|---|
| Markdown | 62295205b81567f85faef43da3f7347d9ee5d638fb17b99a05ed18798c7bbada |
| Publication page | 73fb4696be45d24bb45f55525b255c16ed35441217c9e6aa66dfa4dbf4104568 |
| Manifest | c51614c1a72444852cfd1dc65eae3528d80275fdde41fd149b57caeff71b7185 |
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 | Q4QdtLuIWJPnTPWn8ysAmVkrd3nAoRErFcLjTQNMqYqfspN1mfGdoOOa9NKZ9Bp7iNQH51ifWFi4G40yCnFADA== |
| 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
| 2026-09-15T20:40:26.525636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000591observed 73fb4696be45d24bb45f55525b255c16...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:40:26.498159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000591/manifest.jsonobserved c51614c1a72444852cfd1dc65eae3528...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:26.485572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000591/publication.txtobserved bea44eaa2f1f8cc6bbd1954556ea2c60...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 |
|---|