fact
✓ Helios stamped
chain leaf #263
The first feature-length sound film, The Jazz Singer, was released in 1927.
Cited sources
Member verifications (1)
TRUE
Britannica: The Jazz Singer
Provenance
Cryptographic details
| id | r6gr74k6 |
| content sha256 | b6106c7b4d5a2ac080ab4295e9920c0673d00fbd982d7179f6520d2c46ec4777 |
| chain leaf idx | 263 |
| chain leaf hash | 6a79ad0cad1144edb2a42b850ed2e059ebf3e69528c6d79ecc842c89204bddb7 |
| created | 2026-05-06T22:43:00.613Z |
| stamped | 2026-05-06T22:43:00.990Z |
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