OT-2026-000003201
Publication integrity record
Chock valve for a vacuum lifting device
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-2026-000003201) never changes.
Identity and time
| Publication number | OT-2026-000003201 · never reused |
|---|---|
| Internal UUID | 01a0a69d-23b8-7538-8f52-70ad0bac2175 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:48:31.288877Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003201 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6daac344e1b495b74791701406876b3321100998610971b486c151193e37ecf0 |
|---|---|
| Markdown | 52efda9a8ffdb6ba01adfed6e30a3f468bbedce647ba3cf2bebd62d8edc47ace |
| Publication page | d329eceef5eaaef9f8f958b93355db297fea1444e9111af89fc9eecae9c4ba52 |
| Manifest | b21f0d3b09f4c51e3b0cae80f610c60e6181e02644f71823056c3c1cccff3a4d |
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 | 6Tinphn9EIG/zq00vqt6OyD8UY/2TyZtfcyZIuovp9gkhPK9KsI90VoUfeSJmoZZE+Xb18iwASrXRC3N0X9WDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-09-16T00:43:41.178946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003201observed d329eceef5eaaef9f8f958b93355db29...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T00:43:41.037132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003201/manifest.jsonobserved b21f0d3b09f4c51e3b0cae80f610c60e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:43:40.863884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003201/publication.mdobserved 52efda9a8ffdb6ba01adfed6e30a3f46...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:43:40.595715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003201/publication.txtobserved 6daac344e1b495b74791701406876b33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:03.100208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003201observed d329eceef5eaaef9f8f958b93355db29...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:03.071920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003201/manifest.jsonobserved b21f0d3b09f4c51e3b0cae80f610c60e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:03.059588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003201/publication.txtobserved 6daac344e1b495b74791701406876b33...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 |
|---|