1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18b74d950d7118ffbe734b07589ba53b93e288c0f429b105ce2df68ad33bdb7f. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/19606016-45d9-4245-9c18-df68deb88788.json and https://artists.proofprofile.net/proofs/artist/19606016-45d9-4245-9c18-df68deb88788.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dcc21c2fb27daba52b8f796d68348df2c9a8ee158da89b9a6a47868af3b39ec. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9413410e438f0570e181b171abf901be3ead330358b0c2de2b1b4247a300db4d. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae89996669be0a2a752061337b537a923ba39f47acf2a90b4df2c5b525bd8ea8. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7550435b69b62779315ad64be9b804ab81bf8a7f29f5441d9d3b933121451757. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3d60dc083000c22b57c1562e67e8b9ea6b135c97c9fd4ad5b22b9319f99eab3. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500017.
Happy Hunting (Original Songs from the Motion Picture)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x901e1a488b102e0619f0b9abe97afe711e0bb131106d7d6795da6e4e455bbdbd. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa0f287da3174b3db2ad015444d5fcb1055cd6e6c9a6405fa0d3de06e2acbbb7. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd84b9f06a332158a4e80545281ece4e60937a3c3bfb5c1d4cecb50fb6554dc2a. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f4433740306efadb766057209a8a8103f6a09b5d2b41bb3f292034e74ff8274. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa25b4d09dcff25ee5e1405f5a434bc77938db1e791a33c2a249c3efccea954e5. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa73fb6e2043548826ec0cd2a6c121f603cc0f8c0f278b2da42933eea764bdf75. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9df2d492ccf49e69e0a2c48fa5115218dcd200c019e69a00d2a3f0d7bd964cd. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78842fe3c9a7a4ae11934769d2a0f30c67365c046ee21772e93baa987107e78e. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1432516d9e481a7f9d4a0a434697b8c2de72bd4ae1875789515cd3d94d3224a. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1111a24f64f2cbe966bb3a639dfe8653f1c948a1a9ea2dbc9977755507180841. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500077.
Under The Palmetto Moon (Live Acoustic Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ce04d34c217ca0aa363f930ad90f4d98b920b430a20582ba1391372b56f63e2. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b9e11ab118d6a8fa1d59feff48681f80178ba54aaf0985f433fc77c822a8a44. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM2JJ1500105.
New and Brighter Day (The Join Us Trailer Song)
Hero Suite (Join Us Original Soundtrack)