OT-2026-000003440
Publication integrity record
Machine for handling modular building 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-2026-000003440) never changes.
Identity and time
| Publication number | OT-2026-000003440 · never reused |
|---|---|
| Internal UUID | 01a0a6c1-359d-78bc-b058-e3b519da8189 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:27:55.165454Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003440 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8b2b9550bad9dbda1d6bdbc1518ceb42fa16b05d43a8472c81454c507c4b2835 |
|---|---|
| Markdown | baa3737ece8680c8a7307dfb6b0c0f5ed531e2e5c69bb011c3f0bd3c7f4507b5 |
| Publication page | 15af4fd8c720dfe9a0c63a67d68cb4eaef4cf84449cbaf0da175594f684c65f5 |
| Manifest | eb6343f89ac98a7d6ee0544bf577bf48dbaec36a2c29731d0448e992a0e5d505 |
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 | nxjaE6orrkdWI5CIdntiurd06j8GqceXwrlkZLmLPsygLtyx5M6mz3jL3whSuo/oQ6jupRprFPKtdOXVP0zMBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:36:25Z batch OT-TS-2026-W38-006 · RFC 3161 token · inclusion proof root 40fdb380c9f41bd58bb35c455dde2c7d... |
|---|
Independent retrieval
| 2026-09-17T04:41:44.341685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003440observed 15af4fd8c720dfe9a0c63a67d68cb4ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:41:43.978237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003440/manifest.jsonobserved eb6343f89ac98a7d6ee0544bf577bf48...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:41:43.598104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003440/publication.mdobserved baa3737ece8680c8a7307dfb6b0c0f5e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:41:43.185950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003440/publication.txtobserved 8b2b9550bad9dbda1d6bdbc1518ceb42...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:05.164734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003440observed 15af4fd8c720dfe9a0c63a67d68cb4ea...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:05.131023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003440/manifest.jsonobserved eb6343f89ac98a7d6ee0544bf577bf48...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:05.118038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003440/publication.txtobserved 8b2b9550bad9dbda1d6bdbc1518ceb42...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 |
|---|