OT-2026-000000623
Publication integrity record
Switching device with push button and water outlet device
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-2026-000000623) never changes.
Identity and time
| Publication number | OT-2026-000000623 · never reused |
|---|---|
| Internal UUID | 01a0a673-9f6c-7472-a4fe-c0d4d31a0f0e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:10.444771Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000623 |
| Status | PUBLIC |
Content hashes
| Canonical text | deddc386c0893166c6a3370d9adde91df1927881cbf9b818aca1a2c5461bbcab |
|---|---|
| Markdown | 8d817828eb708a3f53791b9faa58a48a33320d4037f1e120b786f13df7b78032 |
| Publication page | 3ff068a94a827fb8e871ff4ab6a2696adc46ffb12cf0d302a24e626aea4124a2 |
| Manifest | d5808e0a25f789e1f1522cea872250450740ae3c99c09d110cb15fef2679257b |
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 | QU2yoNdhvZ1RIo/qf3oZQHKtqGme/+lJY5SQdtAU9lHXL0PMXWeCnFIzwM3mCWFZWF1NPZiEvLYPiVbMUZbvAQ== |
| 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
| 2026-10-08T20:41:43.555200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000623observed 3ff068a94a827fb8e871ff4ab6a2696a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T20:41:43.453926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000623/manifest.jsonobserved d5808e0a25f789e1f1522cea87225045...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T20:41:43.345059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000623/publication.mdobserved 8d817828eb708a3f53791b9faa58a48a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T20:41:43.060482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000623/publication.txtobserved deddc386c0893166c6a3370d9adde91d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:21.667832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000623observed 3ff068a94a827fb8e871ff4ab6a2696a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:21.392445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000623/manifest.jsonobserved d5808e0a25f789e1f1522cea87225045...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:20.936267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000623/publication.mdobserved 8d817828eb708a3f53791b9faa58a48a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:20.429159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000623/publication.txtobserved deddc386c0893166c6a3370d9adde91d...fetched by grabo-systems from 34.44.131.203, 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 |
|---|