OT-2026-000000049
Publication integrity record
Dynamic Muting Window for Conveyor Light Curtain Safety
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-2026-000000049) never changes.
Identity and time
| Publication number | OT-2026-000000049 · never reused |
|---|---|
| Internal UUID | 01a0a4e6-74ba-7e6a-9e4d-7285fcec1930 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T11:49:21.724877Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000049 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7fcf90321b742c96314e271c0ad5690a57fa28612f809df4a32ef017af41398c |
|---|---|
| Markdown | 247130d8cfbe3cce92a7267eb610533df1866b6a6b59df55525785f1cd41ff97 |
| 545e2120f3f732478de8d4111f87730793a3bd53bc670d5364e9e3071fe3077b | |
| Publication page | 1b219d5532c4c16a79a5575a985b2be5ff1b4843052dd2075901197d88591af3 |
| Manifest | 3e028d817f4b842506181ba88b7034e541c0f79733d88af38589c7cf35b12127 |
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-2026-02 · Verified |
|---|---|
| Signature | osVZuCVLG5dDEyBvexS58zOYftD+ExVqpfuPXsDW7zB4gBWDRF/lOgnsmKlDc2DeabB3j/nZtahr2Rk4GP/6Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T12:03:59Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root 374ac7be5b27e8fbd4755a00ec69d4c7... |
|---|
Independent retrieval
| 2026-09-15T12:41:40.621253Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000049observed 1b219d5532c4c16a79a5575a985b2be5...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T12:41:40.476959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000049/publication.pdfobserved 545e2120f3f732478de8d4111f877307...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:41:40.339074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000049/manifest.jsonobserved 3e028d817f4b842506181ba88b7034e5...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T12:41:40.201689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000049/publication.txtobserved 7fcf90321b742c96314e271c0ad5690a...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T11:50:02.685411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000049observed 1b219d5532c4c16a79a5575a985b2be5...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T11:50:02.670344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000049/publication.pdfobserved 545e2120f3f732478de8d4111f877307...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T11:50:02.653636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000049/manifest.jsonobserved 3e028d817f4b842506181ba88b7034e5...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T11:50:02.633972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000049/publication.txtobserved 7fcf90321b742c96314e271c0ad5690a...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.zstf5540ade9ee87306569c02456843c15d... · 9,431,008 bytes · held by held on site pending an external custodian · retention permanent |
|---|