OT-2026-000000783
Publication integrity record
Systems and methods for enabling trusted on-demand distributed manufacturing
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-2026-000000783) never changes.
Identity and time
| Publication number | OT-2026-000000783 · never reused |
|---|---|
| Internal UUID | 01a0a673-d208-74cb-a41b-a6c92ebb2bb1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:23.401235Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000783 |
| Status | PUBLIC |
Content hashes
| Canonical text | 27617316ba93fcccb19616752f86df421a019ee17a1a043aa80a82d6e3735590 |
|---|---|
| Markdown | f0c19a79215c8498cbbdff3e734b1063dac1b2ca1efa6b3058be5bae1d2669dc |
| Publication page | ed45f7e1295055332537621fb4b5105128300344d1546dce213486fc66cf8869 |
| Manifest | 40e19c7912d13d677b791ae860fc2c629033b67d2bc0abfa3ba69ef1bf7b8d3a |
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 | r5DAPnCdR1z95CDo6fjE2/UQEQbCuBUd797AhsBvPXLGY4v2CemJhkblfaOcOXL73Idtam9mh2FBdONmIrIABw== |
| 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
| 2026-10-10T20:41:42.676681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000783observed ed45f7e1295055332537621fb4b51051...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-10T20:41:42.603061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000783/manifest.jsonobserved 40e19c7912d13d677b791ae860fc2c62...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:42.512837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000783/publication.mdobserved f0c19a79215c8498cbbdff3e734b1063...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:42.366231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000783/publication.txtobserved 27617316ba93fcccb19616752f86df42...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:12.016445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000783observed ed45f7e1295055332537621fb4b51051...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:12.001894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000783/manifest.jsonobserved 40e19c7912d13d677b791ae860fc2c62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:11.988195Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000783/publication.mdobserved f0c19a79215c8498cbbdff3e734b1063...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:11.953716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000783/publication.txtobserved 27617316ba93fcccb19616752f86df42...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 |
|---|