OT-2026-000002693
Publication integrity record
Pitch conversion apparatus for secondary battery cells
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-2026-000002693) never changes.
Identity and time
| Publication number | OT-2026-000002693 · never reused |
|---|---|
| Internal UUID | 01a0a67e-3074-7f48-80f9-62eb0a859eb1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:14:42.932903Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002693 |
| Status | PUBLIC |
Content hashes
| Canonical text | b7e65cf313b3bc2304bb66a36aeadb341bb05e84c8ad17948da57a85b4022864 |
|---|---|
| Markdown | 01fe836b021f3cd4fea0b3a759da8bc87581c92d45bdf0901edc746221b8571b |
| Publication page | e7592cd179c84b9479a7bd8339ee4c512ae5f40bb4e0a7caf3340f7dc0bad6ee |
| Manifest | fd088de0f1898632888ed3ed2fad4a2bca3091c625b70dbbabc7ecd5ddfc343c |
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 | UaPjWJh4hswrCvWHwY3RnkHGv2s9sa8v8KO6Jfw/KBOMWh6IpFBibwdatGQg5x+XY0VAVvtPr5GfGzaJpCYJDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-15T19:30:15.865916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002693observed e7592cd179c84b9479a7bd8339ee4c51...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:30:15.831865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002693/manifest.jsonobserved fd088de0f1898632888ed3ed2fad4a2b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:15.700316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002693/publication.txtobserved b7e65cf313b3bc2304bb66a36aeadb34...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 |
|---|