OT-2026-000003210
Publication integrity record
Apparatus and method for measuring the gripping strength of a vacuum wand
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-2026-000003210) never changes.
Identity and time
| Publication number | OT-2026-000003210 · never reused |
|---|---|
| Internal UUID | 01a0a69e-7430-7ff5-aa4b-01e5545e8260 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:49:57.424510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003210 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6a6e7a51be1f764ed520f8e6b48b410b55b065aa0ed2918aa8d7d77fd70b9eac |
|---|---|
| Markdown | 0f8259cc24e84e1e3186f062f7e0211d00755e8238955c01c9e89e849c539f09 |
| Publication page | cf383f543386f83d246208ff1f264ebfe16d305b6e9fe21ff0ed1bed6af0c1c0 |
| Manifest | e5add28dfb8bf80ee88ad4e2b33efe58b118cb2fe9a5944836b834aba33b41ce |
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 | B9BxIlIxRc6nCIGuWD16zYL+SnN9VLgcEJ6JexfLZblhmH+Nai94q6XEMg1WotZCepVwHm+7I/qstf+OsJvKCw== |
| 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
| 2026-09-15T19:50:01.929298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003210observed cf383f543386f83d246208ff1f264ebf...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:50:01.848013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003210/manifest.jsonobserved e5add28dfb8bf80ee88ad4e2b33efe58...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:01.818919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003210/publication.txtobserved 6a6e7a51be1f764ed520f8e6b48b410b...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 |
|---|