ISRC GBAYC1800547
Verified recording
GBAYC1800547 is “Weill: Four Walt Whitman Songs: II. "Oh captain! My captain!"” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0x355745e4643de27f254acdbac929575b5d0fcf75787ec35addd79fcb9ffd743d and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1800547.
Recording identifiers
- ISRC
- GBAYC1800547
- Title
- Weill: Four Walt Whitman Songs: II. "Oh captain! My captain!"
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0x355745e4643de27f254acdbac929575b5d0fcf75787ec35addd79fcb9ffd743d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:db3606677a8baebaaa1c64a4cf717ff28d365d1dae3a510648a6a8b53f48700a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1800547
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Weill: Four Walt Whitman Songs: II. "Oh captain! My captain!" · Machine-readable JSON-LD