OT-2026-000001856
Publication integrity record
Method of designing a bolted joint
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-2026-000001856) never changes.
Identity and time
| Publication number | OT-2026-000001856 · never reused |
|---|---|
| Internal UUID | 01a0a679-0900-7d11-aaa2-f4283483ac5a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:09:05.152664Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001856 |
| Status | PUBLIC |
Content hashes
| Canonical text | e9180e59a2058831ac1abead7b29d99d2a7d72005051bf7e02dbde94d0fec62b |
|---|---|
| Markdown | fb4c4bd18c243ae5285864b0b672b27534ff1d9bab699d0818e67ea4830a3c95 |
| Publication page | a4ee2fdff7e89fcf5163f43dba4ee29cc233109d9aa8658a81cc94230b6baf31 |
| Manifest | 2d15c93bce6ba019712fad434d4fb80a594f293286e92c3bc59d268fecb51f0c |
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 | TJMAUh0PT1vHhKchn8LwwaTuwxfj9aMdCy8j1yPCYgWl7dHNjoqCpBrtwfHWAdJXXLp7XPhgZ5fN7DKZsQhYCQ== |
| 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
| 2026-10-26T00:41:49.026493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001856observed a4ee2fdff7e89fcf5163f43dba4ee29c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T00:41:48.957853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001856/manifest.jsonobserved 2d15c93bce6ba019712fad434d4fb80a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:48.832742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001856/publication.mdobserved fb4c4bd18c243ae5285864b0b672b275...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:48.706378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001856/publication.txtobserved e9180e59a2058831ac1abead7b29d99d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:18.161403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001856observed a4ee2fdff7e89fcf5163f43dba4ee29c...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:18.134494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001856/manifest.jsonobserved 2d15c93bce6ba019712fad434d4fb80a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:18.122635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001856/publication.txtobserved e9180e59a2058831ac1abead7b29d99d...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 |
|---|