OT-2026-000001910
Publication integrity record
Tool for replacing bushing and seal of inlet ball valve disc pivot and method thereof
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-2026-000001910) never changes.
Identity and time
| Publication number | OT-2026-000001910 · never reused |
|---|---|
| Internal UUID | 01a0a679-5f0f-7396-8e90-127a120af805 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:09:27.183371Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001910 |
| Status | PUBLIC |
Content hashes
| Canonical text | 618d14ad50310e438f9663277396e21aedd66899c619be2bbc003759b5af603f |
|---|---|
| Markdown | 6e4bfcda8d114f9f4f09871d3b6c741b0cb8e1c64276f43518593418e007be7e |
| Publication page | 0da5aba6b0d028c1a9f126f3da10550150fec7f2414e3e1f738073ff2866da04 |
| Manifest | 0ccb730531fafb57727d771369dbf65faeeef285cf479fb035c5b7d23bd46a0b |
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 | tEXxp8r9jGP6nnpyxvKS9NV/zcF+amWmZf1HMKzdRE+sgpsY6UwGpVaUFpDCbD2ntDEw/yPo3zaQz4yqmIUeCg== |
| 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
| 2026-09-26T04:23:05.311633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001910observed 0da5aba6b0d028c1a9f126f3da105501...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-26T04:23:05.299954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001910/manifest.jsonobserved 0ccb730531fafb57727d771369dbf65f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:23:05.288287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001910/publication.mdobserved 6e4bfcda8d114f9f4f09871d3b6c741b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:23:05.231110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001910/publication.txtobserved 618d14ad50310e438f9663277396e21a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:49.494053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001910observed 0da5aba6b0d028c1a9f126f3da105501...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:49.360945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001910/manifest.jsonobserved 0ccb730531fafb57727d771369dbf65f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:49.231469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001910/publication.mdobserved 6e4bfcda8d114f9f4f09871d3b6c741b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:49.034157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001910/publication.txtobserved 618d14ad50310e438f9663277396e21a...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 |
|---|