ISRC JPCO01407220
Verified recording
JPCO01407220 is “交響曲 第1番 ニ長調 《巨人》 III. 厳粛に重々しく、引きずることはせずに” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xe1e8b781f95d9b638e2d6315ec70d135155a3e92a47a4253a32017a7633ef9b9 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO01407220.
Recording identifiers
- ISRC
- JPCO01407220
- Title
- 交響曲 第1番 ニ長調 《巨人》 III. 厳粛に重々しく、引きずることはせずに
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xe1e8b781f95d9b638e2d6315ec70d135155a3e92a47a4253a32017a7633ef9b9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:e278e31c9e26e1bdf28ebe38994d45a0e96052641494c8c35f8b1f662841c2ae- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO01407220
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: 交響曲 第1番 ニ長調 《巨人》 III. 厳粛に重々しく、引きずることはせずに · Machine-readable JSON-LD