OT-2026-000003449
Publication integrity record
Rotatable, self-aligning lobe coupling
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-2026-000003449) never changes.
Identity and time
| Publication number | OT-2026-000003449 · never reused |
|---|---|
| Internal UUID | 01a0a6c2-27c0-7fc6-9341-14244166c5b3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:28:57.153067Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003449 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9b82beb0d23806b2651676c2a6e2c7299dff853c716ef565d8068eddc9bbe370 |
|---|---|
| Markdown | aee217d4f583898794bd679567b623b5640222288e50bca021e439dee7423356 |
| Publication page | 187c839b7c977d2387214188dd63ba45a609af015ac039759ba510fc555eaa9c |
| Manifest | 4b465d268372e42e61fff39c7a2bfb4592c4289ca38d1f2c4f24b83ee6e0147c |
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 | 4d5y+tBtYrbuOdfvJ30FWrK7406xr6Rp18pLthz/lWmG4eSAhS0EV4axllk41gfpOTcLJ5uBCpE0roRuHTRwAw== |
| 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
| 2026-09-17T04:41:34.870197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003449observed 187c839b7c977d2387214188dd63ba45...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:41:34.570205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003449/manifest.jsonobserved 4b465d268372e42e61fff39c7a2bfb45...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:41:34.266203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003449/publication.mdobserved aee217d4f583898794bd679567b623b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:41:33.992592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003449/publication.txtobserved 9b82beb0d23806b2651676c2a6e2c729...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:02.281677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003449observed 187c839b7c977d2387214188dd63ba45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:02.264586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003449/manifest.jsonobserved 4b465d268372e42e61fff39c7a2bfb45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:02.248197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003449/publication.mdobserved aee217d4f583898794bd679567b623b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:02.230657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003449/publication.txtobserved 9b82beb0d23806b2651676c2a6e2c729...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 |
|---|