1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x437deb06242336e9bdd8d8c203aea6516f4cb9245e546cf6bc6b418a8ba12cc9. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5a944d61-bb5b-47c9-b8e1-e15b2cebf6f6.json and https://artists.proofprofile.net/proofs/artist/5a944d61-bb5b-47c9-b8e1-e15b2cebf6f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Anastasia (Original Broadway Cast Recording)
{"copyright_id":"0x6ad6a54c4321920ca508e3d27c1069ee231d1e84bc85c71103709c27cd93420c","isrc":"QMQYB1709701","name":"Prologue: Once Upon a December","registered_at":"2026-06-04T14:52:29Z","spotify_id":"2gQRGwlgkcDxgtSEO0s0FU","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad6a54c4321920ca508e3d27c1069ee231d1e84bc85c71103709c27cd93420c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2gQRGwlgkcDxgtSEO0s0FU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gQRGwlgkcDxgtSEO0s0FU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f971033f5d96c2851257e018fea87b6d572596077fff50b10a7f19c21d1ae4e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2rzXo3Fg1spl5Fge07qdOK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2rzXo3Fg1spl5Fge07qdOK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd9c42a648a5fd8738f865f2e62c9ac72f9648782644c4145d663eb273445d40. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3HAMCazMLwBmcMYnqZoROw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3HAMCazMLwBmcMYnqZoROw.
{"copyright_id":"0x0926b39852e06c6c2c64bf753aac03dbe3202e0d200917ad4a04eb16cada6652","isrc":"QMQYB1709704","name":"Learn to Do It","registered_at":"2026-06-04T10:05:33Z","spotify_id":"6UCu8klnsV1Hr8GluKIyJL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0926b39852e06c6c2c64bf753aac03dbe3202e0d200917ad4a04eb16cada6652. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6UCu8klnsV1Hr8GluKIyJL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UCu8klnsV1Hr8GluKIyJL.
{"copyright_id":"0x9c5efe2a77c8c1b30ef96c9d4d8013b767356fa3a8ac3be313fdd3c6c2632868","isrc":"QMQYB1709705","name":"The Neva Flows","registered_at":"2026-06-04T13:09:22Z","spotify_id":"51weNRBjf14jZjnSWeE7oR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c5efe2a77c8c1b30ef96c9d4d8013b767356fa3a8ac3be313fdd3c6c2632868. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/51weNRBjf14jZjnSWeE7oR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/51weNRBjf14jZjnSWeE7oR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe42b96af1ea60b6863e783e3eb0eb38392d7cfbf09f9179783c3809dfa823601. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7l4NdSjIogT8oA2I6UKjOS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7l4NdSjIogT8oA2I6UKjOS.
{"copyright_id":"0x2fb9bd3965a3d17685a16fe148287ad3dcc94b9d64f3056fcf85ca886175e0a1","isrc":"QMQYB1709707","name":"Once Upon a December","registered_at":"2026-06-01T11:05:03Z","spotify_id":"4W37fDymJzsqaarlKKEvcM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fb9bd3965a3d17685a16fe148287ad3dcc94b9d64f3056fcf85ca886175e0a1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4W37fDymJzsqaarlKKEvcM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4W37fDymJzsqaarlKKEvcM.
{"copyright_id":"0x433fcdd087d33857757c0517d764c2e464ccaf5d7bdb5c9d62c9983bb9580b61","isrc":"QMQYB1709708","name":"Stay, I Pray You","registered_at":"2026-06-04T10:29:38Z","spotify_id":"3JNZrGCOFVHwoKUwkNL0hT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x433fcdd087d33857757c0517d764c2e464ccaf5d7bdb5c9d62c9983bb9580b61. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3JNZrGCOFVHwoKUwkNL0hT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3JNZrGCOFVHwoKUwkNL0hT.
{"copyright_id":"0xab82794399aca8a7874651ff50e5f6df1645286b0e3068dbfd7b34abd76c0c7e","isrc":"QMQYB1709709","name":"We'll Go from There","registered_at":"2026-06-04T13:11:36Z","spotify_id":"54aj4orBY1oCFM1lRXlxbc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab82794399aca8a7874651ff50e5f6df1645286b0e3068dbfd7b34abd76c0c7e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/54aj4orBY1oCFM1lRXlxbc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/54aj4orBY1oCFM1lRXlxbc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4f4309ee015b72e92a34dc32018f32b75beb766cb696e27db56ac3a48b11732. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1DFp366zmeEg3HxfmjO0jy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1DFp366zmeEg3HxfmjO0jy.
{"copyright_id":"0xd1c7efeccc65da5b84c8a7857cc0b21c7fd3c52d099df32165f4b46cb8c35059","isrc":"QMQYB1709711","name":"Journey to the Past","registered_at":"2026-06-04T04:00:03Z","spotify_id":"5bVNYvkjRZuaQnKKdAGuq5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1c7efeccc65da5b84c8a7857cc0b21c7fd3c52d099df32165f4b46cb8c35059. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5bVNYvkjRZuaQnKKdAGuq5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5bVNYvkjRZuaQnKKdAGuq5.
{"copyright_id":"0x16fecac6ab8d9b62bc3888e4bba95d7db864669f46e69d9dd6a36f507db55cf1","isrc":"QMQYB1709712","name":"Paris Holds the Key (To Your Heart)","registered_at":"2026-06-04T12:46:43Z","spotify_id":"1VmBB7rMZfee9uOOC44Nsm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16fecac6ab8d9b62bc3888e4bba95d7db864669f46e69d9dd6a36f507db55cf1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1VmBB7rMZfee9uOOC44Nsm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1VmBB7rMZfee9uOOC44Nsm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb5d46c0c870a93a2c807548c50b0ed05a89183263583898835566bcf2690a49. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6xfxnquQvDecuFKJcz8y78.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6xfxnquQvDecuFKJcz8y78.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02349588d83825f29f42bc7212e1ac62d5efde6d85c307f747a5220fa62d5142. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3kZDswoWz7yUQLVmR2lVSj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3kZDswoWz7yUQLVmR2lVSj.
{"copyright_id":"0x3e669b3018036e2152556d1007b8e01ba96f8f8f68f4fa7464ec9d59ac8b5fc5","isrc":"QMQYB1709715","name":"Land of Yesterday","registered_at":"2026-06-04T13:08:38Z","spotify_id":"4z6ijUqckzIOmhXGoWUhKF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e669b3018036e2152556d1007b8e01ba96f8f8f68f4fa7464ec9d59ac8b5fc5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4z6ijUqckzIOmhXGoWUhKF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4z6ijUqckzIOmhXGoWUhKF.
{"copyright_id":"0x6a9fddac1640ddf1b592faa5335117061c06110bec26d9ae098467b8a688e468","isrc":"QMQYB1709716","name":"The Countess and the Common Man","registered_at":"2026-06-05T12:48:33Z","spotify_id":"53MfGGMHrY5GEyZpuy51Ke","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a9fddac1640ddf1b592faa5335117061c06110bec26d9ae098467b8a688e468. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/53MfGGMHrY5GEyZpuy51Ke.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/53MfGGMHrY5GEyZpuy51Ke.
{"copyright_id":"0xfa5fb304cf909816da0eb9999dbbefc30ab91a95d766a6f058e7a2a060db9b7a","isrc":"QMQYB1709717","name":"In a Crowd of Thousands","registered_at":"2026-06-04T09:57:01Z","spotify_id":"5cdvyKY2z1kySEnUKI0VuO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa5fb304cf909816da0eb9999dbbefc30ab91a95d766a6f058e7a2a060db9b7a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5cdvyKY2z1kySEnUKI0VuO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5cdvyKY2z1kySEnUKI0VuO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ba7da1e055ea27fa0366d57daf73c2c93213f473d1368c181576a140509112b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5y9ciKp5eFMoDgY1eYL4c4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5y9ciKp5eFMoDgY1eYL4c4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x955409e5abe8dc9679343394738c35a4587602825e7c2b5f025b9f2bd06ad64f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/670Te259H79f3TiiEgzd2B.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/670Te259H79f3TiiEgzd2B.
{"copyright_id":"0x6b537d1667bbd6b6440c4efeedd9d281a5aa7bcc1c17a90be991955bd4c960bb","isrc":"QMQYB1709720","name":"Everything to Win","registered_at":"2026-06-04T16:13:55Z","spotify_id":"3ND1Fohc2kkhgu4gSQ2DbA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b537d1667bbd6b6440c4efeedd9d281a5aa7bcc1c17a90be991955bd4c960bb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ND1Fohc2kkhgu4gSQ2DbA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3ND1Fohc2kkhgu4gSQ2DbA.
{"copyright_id":"0x0e1a3e7160f59e98e6e9da416a61490b3109dbea73b707c775af8ae5901a380d","isrc":"QMQYB1709721","name":"Once Upon a December (Reprise)","registered_at":"2026-06-05T12:48:29Z","spotify_id":"2eqXR0aoybIWHsJisr1wp4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e1a3e7160f59e98e6e9da416a61490b3109dbea73b707c775af8ae5901a380d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2eqXR0aoybIWHsJisr1wp4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2eqXR0aoybIWHsJisr1wp4.
{"copyright_id":"0xa40a846097fffdc405aca2cc1924e12adb35f3335aa5e85e5c1de957d1d7d5a2","isrc":"QMQYB1709722","name":"The Press Conference","registered_at":"2026-06-05T08:56:19Z","spotify_id":"62IVQRA3cGZXVP6pMzh3j9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa40a846097fffdc405aca2cc1924e12adb35f3335aa5e85e5c1de957d1d7d5a2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/62IVQRA3cGZXVP6pMzh3j9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62IVQRA3cGZXVP6pMzh3j9.
{"copyright_id":"0x10aee5ce7c065eb89041f4c55514c8c996bc985fc5b27a89148cd778ab944431","isrc":"QMQYB1709723","name":"Everything to Win (Reprise)","registered_at":"2026-06-05T15:28:58Z","spotify_id":"7exDn3NJZhBj8bSReoXHp3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10aee5ce7c065eb89041f4c55514c8c996bc985fc5b27a89148cd778ab944431. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7exDn3NJZhBj8bSReoXHp3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7exDn3NJZhBj8bSReoXHp3.
{"copyright_id":"0x783414d7176e3200512bb93da68b34de216b04be56bbbe92ab6cbf516e875cd7","isrc":"QMQYB1709724","name":"Still / The Neva Flows (Reprise)","registered_at":"2026-06-04T07:52:37Z","spotify_id":"133aZXDAcYJZ8LbVyg07mf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x783414d7176e3200512bb93da68b34de216b04be56bbbe92ab6cbf516e875cd7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/133aZXDAcYJZ8LbVyg07mf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/133aZXDAcYJZ8LbVyg07mf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cea5f922242c473e28eb93d4b7a688e2b8bec4fda8b868a307e345226b705bb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5BtWMJRupEg4MyuNXooqnT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5BtWMJRupEg4MyuNXooqnT.
The Glorious Ones (Original Cast Recording, The Lincoln Centre Theater production)
Flaminio Scala's Historical Journey to France
{"copyright_id":"0x8e52572c8402eaecaa63bccbedfa1853b518b07ac4971b80fc04a2abfa883253","isrc":"CH6541788924","name":"Loin du froid de décembre (Anastasia)","registered_at":"2026-06-21T05:06:25Z","spotify_id":"5OB9KN1zCi4YC4P9eJyXsU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e52572c8402eaecaa63bccbedfa1853b518b07ac4971b80fc04a2abfa883253. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5OB9KN1zCi4YC4P9eJyXsU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5OB9KN1zCi4YC4P9eJyXsU.
Original Broadway Cast of Ragtime: The Musical
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0c3d10b40baf9d53097901a582944f286c3de8d16768348adf43a619b2e12f9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5hT6XJ3tNGztid2IB22jBj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5hT6XJ3tNGztid2IB22jBj.
A Man of No Importance: Love Who You Love - Piano Accompaniment
AMEB Musical Theatre Grade 3: Gentlemen's Edition (Piano Accompaniments)
Seussical: How Lucky You Are - Piano Accompaniment
Seussical: Alone In The Universe - Piano Accompaniment
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b05ed52ce4dcd9ed859110eddfaf4ab40ab290cad3651e5df27d0d458c68fdd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2bNKNho18NaJp2LDtRMETc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2bNKNho18NaJp2LDtRMETc.
{"copyright_id":"0xe2d1b8f6cb02b791b8846f70369805bf3c2b444eb33382e6a9fac4f8cb5a3b4e","isrc":"QMQYB2225602","name":"Father to Son","registered_at":"2026-06-25T21:02:21Z","spotify_id":"0NZ4RTyhxOPFf3Il4RMWL3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2d1b8f6cb02b791b8846f70369805bf3c2b444eb33382e6a9fac4f8cb5a3b4e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0NZ4RTyhxOPFf3Il4RMWL3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0NZ4RTyhxOPFf3Il4RMWL3.
{"copyright_id":"0xf7efb555efeccd6c6672500e10bc5d58ea53ce68b2e5cb493e32487b50704a5a","isrc":"QMQYB2225604","name":"Outside Your Window","registered_at":"2026-06-22T02:35:34Z","spotify_id":"1UUNH4xVDVLBgoH6zpQH8r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7efb555efeccd6c6672500e10bc5d58ea53ce68b2e5cb493e32487b50704a5a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1UUNH4xVDVLBgoH6zpQH8r.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1UUNH4xVDVLBgoH6zpQH8r.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaba67acf39399f5f620db583376dcac4f803318f393e43135aca050333857fe9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6zXqFPvaM2XJp4GxqQlTXw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6zXqFPvaM2XJp4GxqQlTXw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86afeeb684e6497e5d63674ceaacf13b2a333be938458fd6929b2b955ec691e6. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1p4rt2D9enxvuo17seEOtD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1p4rt2D9enxvuo17seEOtD.
That's What I Believe / Outside Your Window (author's Reprise)