OT-2026-000001093
Publication integrity record
Apparatus and method for rebuilding a spreader beam
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-2026-000001093) never changes.
Identity and time
| Publication number | OT-2026-000001093 · never reused |
|---|---|
| Internal UUID | 01a0a674-408f-720a-af04-77329df5100a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:51.695615Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001093 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2674062463f03ad2d4aa01baf00de36bfbcd5aa3a079577e74772ba6bbecdad1 |
|---|---|
| Markdown | 47b90717760f378aa71ba8c094dab3851b5c5523461c3fe8afee6a09db9cf662 |
| Publication page | 3e315adfddfcaf8bd727c97a13288ae099745906ee13eb2010d99e9ee424a646 |
| Manifest | 1b89b0a9f4bedb3038be28454a26a3ae60944280eac7a70ad3ba7b81b4187d25 |
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 | r3HSM3KiuBrOU5aOJ+Y46PAcmSdM7yqhF3asKDOTIpeKuBjJrEJ0yxQB7BtQGPm94aDhCt1sbc34PEalOEh0AQ== |
| 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
| 2026-10-30T04:41:16.371745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001093observed 3e315adfddfcaf8bd727c97a13288ae0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T04:41:16.302277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001093/manifest.jsonobserved 1b89b0a9f4bedb3038be28454a26a3ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:41:16.236789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001093/publication.mdobserved 47b90717760f378aa71ba8c094dab385...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:41:16.111137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001093/publication.txtobserved 2674062463f03ad2d4aa01baf00de36b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:04.245491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001093observed 3e315adfddfcaf8bd727c97a13288ae0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:04.230238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001093/manifest.jsonobserved 1b89b0a9f4bedb3038be28454a26a3ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:04.214901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001093/publication.mdobserved 47b90717760f378aa71ba8c094dab385...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:04.195617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001093/publication.txtobserved 2674062463f03ad2d4aa01baf00de36b...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
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