ISRC USUM70981920
Verified recording
USUM70981920 is “Bubble Toes / Express Yourself - Live At Outside Lands, San Francisco, California/2008” by Jack Johnson,
registered on the CopyrightChains blockchain with CopyrightID
0x7f2812e907dc1440a64b2290d690745cb7f8692613510e5e1d83698a18eb0a03 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70981920.
Recording identifiers
- ISRC
- USUM70981920
- Title
- Bubble Toes / Express Yourself - Live At Outside Lands, San Francisco, California/2008
- Artist
- Jack Johnson
- CopyrightID (CopyrightChains transaction hash)
0x7f2812e907dc1440a64b2290d690745cb7f8692613510e5e1d83698a18eb0a03
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:fff981ae71080cbe7a8a3b23975d2dd96bbbf5dc6d71e5b63b7cd5a4aad4edf7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70981920
- Bitcoin block existence check
- https://blockstream.info/api/block/953515
Full record
Track page: Bubble Toes / Express Yourself - Live At Outside Lands, San Francisco, California/2008 · Machine-readable JSON-LD