OT-2026-000001600
Publication integrity record
Integrating additively-manufactured components
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-2026-000001600) never changes.
Identity and time
| Publication number | OT-2026-000001600 · never reused |
|---|---|
| Internal UUID | 01a0a677-0f09-7f55-8df2-a78f61624fee · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:06:55.626229Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001600 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2696649c601f6d6687f0f6fa7bfef04ee758b4d7c217e10d6d33758eb626469 |
|---|---|
| Markdown | 60579c57f002aaef44b84ae02b15478b30d4b8a45dc2762dfd1c88bddf1a2a27 |
| Publication page | 59408b7a869a89ec3c39424c19399c30c114dfd830a44e999656b25c462d72c5 |
| Manifest | 9c0e7f0cb41424668a241887b7690342da09ac440a08687ecad5bc2a5a977a47 |
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 | JtP8RWThHCKuzucoui32zMGBB+cojTL7rGO/kq0fVe2ruK/PFdkL5Mk6WebXo6VS1LJyJeG4ZFv5vx1hiMEcDA== |
| 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
| 2026-10-09T08:42:06.138376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001600observed 59408b7a869a89ec3c39424c19399c30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T08:42:06.057521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001600/manifest.jsonobserved 9c0e7f0cb41424668a241887b7690342...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:42:05.964562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001600/publication.mdobserved 60579c57f002aaef44b84ae02b15478b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:42:05.772934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001600/publication.txtobserved b2696649c601f6d6687f0f6fa7bfef04...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:24.930813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001600observed 59408b7a869a89ec3c39424c19399c30...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:24.900919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001600/manifest.jsonobserved 9c0e7f0cb41424668a241887b7690342...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:24.886127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001600/publication.txtobserved b2696649c601f6d6687f0f6fa7bfef04...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 |
|---|