OT-2026-000003435
Publication integrity record
Vacuum controlled lifting 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-2026-000003435) never changes.
Identity and time
| Publication number | OT-2026-000003435 · never reused |
|---|---|
| Internal UUID | 01a0a6c0-aea8-78a4-a4ae-801622101998 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:27:20.616832Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003435 |
| Status | PUBLIC |
Content hashes
| Canonical text | d5b525d627e987ea8b4cba646f5c35d4abcd02d7749dc0b139d8bfd3d77f53d1 |
|---|---|
| Markdown | dc010957d822c9f59e876c0f35caa2e22982e6767e6c16efb4467455b6faf9ce |
| Publication page | 45489b949b6e7b39431042165df18c7159f0b667aa26cb83a467bd9c221a89cb |
| Manifest | 61c148a1e9ff930a451a5076e7bb01938277c21dfbd3f99c522a0c261ac429d7 |
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 | sYH7OAeJfFc3i6F1f4rQgTMnmZvCXw15I+DYPL1hAMf9mQSKSkIirSLW1m8tFpRYJ7MNdQ9d3UMpktN4+25BCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:36:25Z batch OT-TS-2026-W38-006 · RFC 3161 token · inclusion proof root 40fdb380c9f41bd58bb35c455dde2c7d... |
|---|
Independent retrieval
| 2026-09-15T20:30:05.646366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003435observed 45489b949b6e7b39431042165df18c71...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:30:05.616661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003435/manifest.jsonobserved 61c148a1e9ff930a451a5076e7bb0193...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:05.481842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003435/publication.txtobserved d5b525d627e987ea8b4cba646f5c35d4...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 |
|---|