OT-2026-000003295
Publication integrity record
Vacuum lifter and method
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-2026-000003295) never changes.
Identity and time
| Publication number | OT-2026-000003295 · never reused |
|---|---|
| Internal UUID | 01a0a6ab-7a6a-7dce-be53-1c99412cea25 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:04:10.986376Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003295 |
| Status | PUBLIC |
Content hashes
| Canonical text | 387d7ae85310b65d072b8f9b02dc7ec93c531ae2d5af73a4decb42d5cc85bbe7 |
|---|---|
| Markdown | 4d569a936bef379647e210b9628c336c084a232a608c2296b4c70120e92c6525 |
| Publication page | fd9e3efe014d0d828cb95a49ae2b518c5cff7f0bbfb2fa5d2796db5800d3524e |
| Manifest | cd20906fd9ab04346a6c4c74fd40bbeeb06f08e92572aa0c8b9439449b08d5e8 |
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 | ZWsjFa3P7yS6jKFCRRxRqn9kRrfRpfPd6V02IkZ3EnJL/SeZwX23bxZODLf9JGPYdnaW3taXMMudjQVe0mXKDA== |
| 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
| 2026-09-15T20:10:07.262052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003295observed fd9e3efe014d0d828cb95a49ae2b518c...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:10:07.232554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003295/manifest.jsonobserved cd20906fd9ab04346a6c4c74fd40bbee...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:07.220634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003295/publication.txtobserved 387d7ae85310b65d072b8f9b02dc7ec9...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 |
|---|