OT-2026-000003044
Publication integrity record
Foreign matter removal device and foreign matter removal method
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-2026-000003044) never changes.
Identity and time
| Publication number | OT-2026-000003044 · never reused |
|---|---|
| Internal UUID | 01a0a680-3bca-7412-8f57-f6402e6d7c9e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:16:56.907087Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003044 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8a8f4253e7065a23f796c3bcf55ccbfee667c8998dbb27dbc90076ebf464157f |
|---|---|
| Markdown | e269a2f6869fca12f9a1810a32e468dd049e79b30b8f2c343a0925b6c73041d0 |
| Publication page | f47772dca8e225c4d42f9544d65edde17e57e980bdf42fd7d1d1406afad12c68 |
| Manifest | d1ae366ee13288a7eafe227d1f5187582f4b488809d0e037e928c204e38b5a24 |
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 | rvwvP/Vjl6+lqqHq+Bbuh42zBTkVOOEsqMZknqH0gT3w76WSEkuoHyhrcwSykZ5jsMw85HMuVvZ8HwF7mF1SAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-10-22T12:41:19.869060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003044observed f47772dca8e225c4d42f9544d65edde1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T12:41:19.819731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003044/manifest.jsonobserved d1ae366ee13288a7eafe227d1f518758...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:19.765364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003044/publication.mdobserved e269a2f6869fca12f9a1810a32e468dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:19.639117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003044/publication.txtobserved 8a8f4253e7065a23f796c3bcf55ccbfe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:05.635003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003044observed f47772dca8e225c4d42f9544d65edde1...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:05.483886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003044/manifest.jsonobserved d1ae366ee13288a7eafe227d1f518758...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:20:05.472155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003044/publication.txtobserved 8a8f4253e7065a23f796c3bcf55ccbfe...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 |
|---|