OT-2026-000003115
Publication integrity record
Vacuum cup apparatus
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-2026-000003115) never changes.
Identity and time
| Publication number | OT-2026-000003115 · never reused |
|---|---|
| Internal UUID | 01a0a68e-3f90-7a57-a527-43a2ef5b7f38 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:32:15.376957Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003115 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c0025878981c1b51906a9deed17891406fcc237a6272edee7c8ec139e86ee7d |
|---|---|
| Markdown | ed3528a4652d0966f34ca086fc2c1df605e63b90ae5e7d80d0080dc25f42357c |
| Publication page | 02641e8db797c92bf3c9d71d1e3e49052fd285704ae13cc397d16f38932164f0 |
| Manifest | 4217f39bd5ca4b6e7c1e0e928ed13b1ae6b66721a2230df713db41c6b3698f26 |
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 | rO+fdNxyU+ydN9L4zg1j716YSLRn0uxjR8t54HFba4aKrdcnvgmKN/PlRqWc3YlD+5turfnKMhZLa7qPsRSWDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:47:02Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 713cd89b73be422b38f7894d4fb6a755... |
|---|
Independent retrieval
| 2026-09-15T19:40:06.730038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003115observed 02641e8db797c92bf3c9d71d1e3e4905...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:40:06.699716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003115/manifest.jsonobserved 4217f39bd5ca4b6e7c1e0e928ed13b1a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:06.686754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003115/publication.txtobserved 7c0025878981c1b51906a9deed178914...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 |
|---|