OT-2026-000000301
Publication integrity record
Discharge valve removal and installation tool
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-2026-000000301) never changes.
Identity and time
| Publication number | OT-2026-000000301 · never reused |
|---|---|
| Internal UUID | 01a0a673-3523-7034-888d-e98dfd39d4e3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:43.235599Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000301 |
| Status | PUBLIC |
Content hashes
| Canonical text | d5b8f8974b36790da3113b36e2d88fadd3771c182f945343ae53b19357166f10 |
|---|---|
| Markdown | ec69b2a983efdab865069de7ea8e9ae3dab72777ab4a30dadbf5a52275adce68 |
| Publication page | 5aa86a1d19845dbe43e7b8b5bb5e850cf537491678d937323e81579539b7d69b |
| Manifest | 3f875b48ac7d3908c8a8027b9bd747e333c1f58be30e4dc96d63f39043490065 |
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 | vMibxrIz90PeJ6uD/G2/NY4hw8uk2qAHMrEdWs5SaLDkcZM2riiATEp4+Y2mnRsPfXiC8VpZ/hsGmsSWGRxPBw== |
| 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
| 2026-09-15T20:50:26.272510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000301observed 5aa86a1d19845dbe43e7b8b5bb5e850c...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:50:26.244455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000301/manifest.jsonobserved 3f875b48ac7d3908c8a8027b9bd747e3...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:26.110580Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000301/publication.txtobserved d5b8f8974b36790da3113b36e2d88fad...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 |
|---|