ISRC ESA012395974
Verified recording
ESA012395974 is “知音” by 李谷一,
registered on the CopyrightChains blockchain with CopyrightID
0x0b2e7d0479cf2c80cf53a8cd3584cabb5828e2f892f7ac16509b446fe4421cb7 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA012395974.
Recording identifiers
- ISRC
- ESA012395974
- Title
- 知音
- Artist
- 李谷一
- CopyrightID (CopyrightChains transaction hash)
0x0b2e7d0479cf2c80cf53a8cd3584cabb5828e2f892f7ac16509b446fe4421cb7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:7567d08100ee0d550fc7ed4c1d131ffe9e0f04c8916637039f106065bdddacf4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA012395974
- Bitcoin block existence check
- https://blockstream.info/api/block/960473