OT-2026-000002562
Publication integrity record
Shingling device and sheet production line comprising the shingling device
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-2026-000002562) never changes.
Identity and time
| Publication number | OT-2026-000002562 · never reused |
|---|---|
| Internal UUID | 01a0a67d-6a23-7bbf-9cc9-7a1f27635afb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:13:52.164297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002562 |
| Status | PUBLIC |
Content hashes
| Canonical text | 889134440a2762030094d14233d42f7ecd1c409ddbc00307f34577448a4e0997 |
|---|---|
| Markdown | 9af46186862705f8c43aa08eb34f62c5c6afe3fc23f95df640fd39f2c4d4e40a |
| Publication page | 1a8d595eb482b5715f6eb9f2c134d253eec17adf4b6a643f204283adf824fc8c |
| Manifest | 4e14b2d42a170a5bbb9776874ae0ce1bc1adc8f21682c21ca05ba63ab2afb450 |
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 | +E/NE9xNZAqj1paTcAKNBDIpnrrcB0SLj81NLIcjkyJjDhIX5jl8BFHESodDH6AL9p9PpDvaeEfTQG7PL3fACA== |
| 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... |
|---|
Independent retrieval
| 2026-09-16T04:43:20.279478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002562observed 1a8d595eb482b5715f6eb9f2c134d253...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T04:43:19.982398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002562/manifest.jsonobserved 4e14b2d42a170a5bbb9776874ae0ce1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:43:19.744051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002562/publication.mdobserved 9af46186862705f8c43aa08eb34f62c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:43:19.538273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002562/publication.txtobserved 889134440a2762030094d14233d42f7e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:32.406507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002562observed 1a8d595eb482b5715f6eb9f2c134d253...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:32.347011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002562/manifest.jsonobserved 4e14b2d42a170a5bbb9776874ae0ce1b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:32.332288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002562/publication.txtobserved 889134440a2762030094d14233d42f7e...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 |
|---|