OT-2026-000000115
Publication integrity record
System for securing an open-ended filter to a submersible cleaner
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-2026-000000115) never changes.
Identity and time
| Publication number | OT-2026-000000115 · never reused |
|---|---|
| Internal UUID | 01a0a673-02ba-79e9-a382-082a9d24839a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:30.330430Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000115 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5f1cdc019c7ca5cfc231ffe1d3a90dec06e7460d5eab2329b21cc2ed3ed37fbc |
|---|---|
| Markdown | 60edc5e6336d9cd6b69cf84faf82a6a2ecc4fb0fec95bd4aaeb8f4085086bec4 |
| Publication page | 925e78c888638ae0bb6335a3fd920abd048b334acc424a265c635b87527bf646 |
| Manifest | 40ca37e556998bbb68d54b37017f41eea633650ce73e1e459905332920e88a41 |
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 | 1srlnJ5LEF3bvd7psopUlhHZEYikTzMJa1YHvmfod40iE6Q6Gn30lVtHbudEOXrK2wNzYLYd3TUz/epc9K4JCA== |
| 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
| 2026-10-01T08:42:02.937406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000115observed 925e78c888638ae0bb6335a3fd920abd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T08:42:02.865693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000115/manifest.jsonobserved 40ca37e556998bbb68d54b37017f41ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T08:42:02.801098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000115/publication.mdobserved 60edc5e6336d9cd6b69cf84faf82a6a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T08:42:02.605750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000115/publication.txtobserved 5f1cdc019c7ca5cfc231ffe1d3a90dec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:42:08.908104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000115observed 925e78c888638ae0bb6335a3fd920abd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:42:08.574343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000115/manifest.jsonobserved 40ca37e556998bbb68d54b37017f41ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:42:08.420061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000115/publication.mdobserved 60edc5e6336d9cd6b69cf84faf82a6a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:42:08.158675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000115/publication.txtobserved 5f1cdc019c7ca5cfc231ffe1d3a90dec...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 |
|---|