When I Used To Dance
Recording by Ernesto Cortazar.
Recording identifiers
- ISRC
- USTC00947832
- CopyrightID (CopyrightChains transaction hash)
- 0x32a5a9efe0f2150d4b5f5fbf79b93e68638202c31db4ecde1c2c52f934743578
- Copyright registration time
- 2026-07-06T10:11:56+00:00
OpenTimestamps proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T16:54:37Z
- Bitcoin block
- 957067
- Canonical record hash
- sha256:1930ea1103638c2faf4873d8553d0f8277814559b2c1f4a60e6d4ff7436f3efc
What this proof establishes
This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.
CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.
Read the complete pre-generative-AI provenance and verification method.