OT-2026-000002004
Publication integrity record
Connection tools include ring compression molds, clamping mechanisms, and clamping pipe connection tools
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-2026-000002004) never changes.
Identity and time
| Publication number | OT-2026-000002004 · never reused |
|---|---|
| Internal UUID | 01a0a679-fdd8-7bd4-a51b-247c8e64e18d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:10:07.834048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002004 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9b01651b7899a27f1ad9b63cae544a850d84ed95c91673e06dbf67be689ef287 |
|---|---|
| Markdown | fa3d414839b4beca0187af0cc4676dbc7a14e8a0dfd310433b093b0f350ea6bc |
| Publication page | 8f673e46c7398a80ae0cafb4d67b23ad7cc55f4778fb745a5473be64eeb70b00 |
| Manifest | 1b0c7df8d01e5b6aba5fc66620bae639571064f136cf237520c6745f5b3ca06b |
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 | rysb1DudYzWU8KdkUkj1rF9ZwQK2vZHuC3k/74BWNhIGFcLaExkuuG9IFmZO3SLO33qF9wnbecxuKZowxd+dDQ== |
| 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
| 2026-10-22T12:41:07.805090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002004observed 8f673e46c7398a80ae0cafb4d67b23ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T12:41:07.754530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002004/manifest.jsonobserved 1b0c7df8d01e5b6aba5fc66620bae639...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:07.704591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002004/publication.mdobserved fa3d414839b4beca0187af0cc4676dbc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:07.644441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002004/publication.txtobserved 9b01651b7899a27f1ad9b63cae544a85...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:11.170041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002004observed 8f673e46c7398a80ae0cafb4d67b23ad...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:11.139842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002004/manifest.jsonobserved 1b0c7df8d01e5b6aba5fc66620bae639...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:11.127213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002004/publication.txtobserved 9b01651b7899a27f1ad9b63cae544a85...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 |
|---|