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 0xbe6f9510181c1001878116b372de4a2910416babc296b6f8ca8ee2fb9863f869. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8cf9697b-b556-4ecb-983a-40cc9304a683.json and https://artists.proofprofile.net/proofs/artist/8cf9697b-b556-4ecb-983a-40cc9304a683.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x1ccb8386a0d40a9ccc00e4c508f5accb794aebea4ecc750ec5dd1213acf7fd36","isrc":"GBLFP2041442","name":"Manos Arriba","registered_at":"2026-06-09T14:22:49Z","spotify_id":"4xwj82kVs7kWK3z74X4tEi","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 0x1ccb8386a0d40a9ccc00e4c508f5accb794aebea4ecc750ec5dd1213acf7fd36. 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/4xwj82kVs7kWK3z74X4tEi.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/4xwj82kVs7kWK3z74X4tEi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a6ab0df859f2ccc0ff4f6aa919c6a96980e07573a7df4cf719158971e26a2d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5HVO6D5OG9b3CI1k0cOHsZ.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/5HVO6D5OG9b3CI1k0cOHsZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb10077d274dfbc41fce1cb7727add0e8b88c125f83c138f7fc42da529321a44. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/06JGD5iHD73sw1ZSQ5VG17.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/06JGD5iHD73sw1ZSQ5VG17.
{"copyright_id":"0x2e04a2bc04400e7462cae1c7c7754dd2fa00ffd7594b35feee2132d613c199b7","isrc":"GX3Q92097393","name":"Carrusel/Suzie Kamikaze","registered_at":"2026-06-24T03:45:46Z","spotify_id":"23lTaGTAFRPfDVf3nUJdhn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e04a2bc04400e7462cae1c7c7754dd2fa00ffd7594b35feee2132d613c199b7. 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/23lTaGTAFRPfDVf3nUJdhn.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/23lTaGTAFRPfDVf3nUJdhn.
{"copyright_id":"0xf291a94e12b42bee9a3302ff2ef21712edd152bdfbd3b059b95ca7c3ef255274","isrc":"GBMA22099130","name":"Último Round","registered_at":"2026-06-21T17:18:26Z","spotify_id":"5ilUeONAei40twZkf7FKLs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf291a94e12b42bee9a3302ff2ef21712edd152bdfbd3b059b95ca7c3ef255274. 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/5ilUeONAei40twZkf7FKLs.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/5ilUeONAei40twZkf7FKLs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06080260cdc0b241563b876eaa0b70561209187a6aa2b4cbe2c24c2aef9c92a3. 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/3tExfGjD2tJTXy1kqHoit8.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/3tExfGjD2tJTXy1kqHoit8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17ff48187396e8a8c52b6c7efd6349241df4166b4a9b1234a028cffb58e8884a. 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/0Pe3iMJXI9a0dDdoXgG10G.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/0Pe3iMJXI9a0dDdoXgG10G.
Acción - O: Decreto de Guerra a Muerte a los Traidores del Rock Latinoamericano
{"copyright_id":"0xba064cd9f9dd01fbc8b4683a9d540dadf36160480da4b15e83234c4f5eabefb8","isrc":"UKXN22048483","name":"Acción - O: Decreto de Guerra a Muerte a los Traidores del Rock Latinoamericano","registered_at":"2026-06-23T22:12:55Z","spotify_id":"6wbDkCa4STnHpDeuoxQBpN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba064cd9f9dd01fbc8b4683a9d540dadf36160480da4b15e83234c4f5eabefb8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6wbDkCa4STnHpDeuoxQBpN.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/6wbDkCa4STnHpDeuoxQBpN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c19d149ad040364b23f6c2bdc0d7fa7e2f3aab3bab760272acbeea521a8de6a. 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/2KSyKlJ3SWPFflplhYhPTl.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/2KSyKlJ3SWPFflplhYhPTl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe26b16381140b56207c47f70ee2d7a465891ea09ccca6b189130b5ae682760d9. 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/12tTJXqhJDmqs9vwGdWjtJ.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/12tTJXqhJDmqs9vwGdWjtJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcedec272fc8212b08a9224c82849a6a4bebc92007e68e5c0abc527d366db1920. 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/6AyzHfNoCEvknDH41CWBDB.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/6AyzHfNoCEvknDH41CWBDB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x341c8de0d8bfaecc8c2a045e474b685f05b4b2f76fcc8f0936e2982ad745980e. 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/4RryeZ8UEUYuN4K6x4Quxr.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/4RryeZ8UEUYuN4K6x4Quxr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63c0a69d0f2c27ca334922e55509d4707b87eec1745d71f9227f20758ba9f5c8. 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/19iLvsfx7SCTEl0ASQlUgg.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/19iLvsfx7SCTEl0ASQlUgg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9c0fde14e08cbf780a90bd6ee0fb38ecec0bee520ba01ec84a25697e8c34885. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/76a1BkZRJszgAFmacNJYIH.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/76a1BkZRJszgAFmacNJYIH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93ca5f12ed8d1e4b40e0fdad99e3f629c4e2783beba071197f36b811f744a7f6. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5DxBE9rHTqUH5APY9Ex00G.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/5DxBE9rHTqUH5APY9Ex00G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61fac09a85833ca23661069923f469368e03e21b0ad9ba7e2b5a4357f97fa012. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4cUzlRYRVularItceUKor6.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/4cUzlRYRVularItceUKor6.
{"copyright_id":"0x2a8bb131eb3ac12f37aafd0b81dc04761c96961e9f9565430e598bf147d761a9","isrc":"US66W1001917","name":"Calle Barcelona","registered_at":"2026-06-11T02:11:52Z","spotify_id":"40cgLmmlHwSsvoCCojitEA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a8bb131eb3ac12f37aafd0b81dc04761c96961e9f9565430e598bf147d761a9. 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/40cgLmmlHwSsvoCCojitEA.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/40cgLmmlHwSsvoCCojitEA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x396d0285fb7e5ff30f7230299f6b2ae52fd124dc73e5f483d71502e2b812d51d. 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/09sRICuzoNrckAeBOBPI73.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/09sRICuzoNrckAeBOBPI73.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x116fafc51e84f73f4762f0329923a72de7c548ba24606c4c0818171fcc2a8243. 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/6NjEOiufygODQUjymJnbKR.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/6NjEOiufygODQUjymJnbKR.
{"copyright_id":"0x1ccb8386a0d40a9ccc00e4c508f5accb794aebea4ecc750ec5dd1213acf7fd36","isrc":"GBLFP2041442","name":"Manos Arriba","registered_at":"2026-06-09T14:22:49Z","spotify_id":"6WUzR4CtkXa6qGbS6mszNt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ccb8386a0d40a9ccc00e4c508f5accb794aebea4ecc750ec5dd1213acf7fd36. 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/6WUzR4CtkXa6qGbS6mszNt.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/6WUzR4CtkXa6qGbS6mszNt.
Flamingo - Tiempo Compartido Live Session
Miami S&M - Tiempo Compartido Live Session
Eliseo/La Bestia - Tiempo Compartido Live Session
Nicaragua - Tiempo Compartido Live Session
Carrusel - Tiempo Compartido Live Session
Acción - Tiempo Compartido Live Session
El Paraíso Perdido - Tiempo Compartido Live Session
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a6ab0df859f2ccc0ff4f6aa919c6a96980e07573a7df4cf719158971e26a2d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ujoafWYokOslejNC8OY95.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/0ujoafWYokOslejNC8OY95.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06080260cdc0b241563b876eaa0b70561209187a6aa2b4cbe2c24c2aef9c92a3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4OTJZgB5qT1y44lJOt5y5D.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/4OTJZgB5qT1y44lJOt5y5D.
Acción (O: Decreto de Guerra a Muerte a los Traidores del Rock Latinoamericano)
{"copyright_id":"0xba064cd9f9dd01fbc8b4683a9d540dadf36160480da4b15e83234c4f5eabefb8","isrc":"UKXN22048483","name":"Acción - O: Decreto de Guerra a Muerte a los Traidores del Rock Latinoamericano","registered_at":"2026-06-23T22:12:55Z","spotify_id":"5om9LfUKsyTaQWbHH2Refu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba064cd9f9dd01fbc8b4683a9d540dadf36160480da4b15e83234c4f5eabefb8. 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/5om9LfUKsyTaQWbHH2Refu.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/5om9LfUKsyTaQWbHH2Refu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf291a94e12b42bee9a3302ff2ef21712edd152bdfbd3b059b95ca7c3ef255274. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0F8AC8PeAY6L9K6Lnl6AH7.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/0F8AC8PeAY6L9K6Lnl6AH7.
{"copyright_id":"0x5b662445ddd0d3f4184e53c31e10a5467fca92a4a2011902ff4258471ef3621e","isrc":"QZ5AB1833254","name":"Sin Ti (feat. La Vida Bohème)","registered_at":"2026-06-01T14:00:58Z","spotify_id":"6vLZeNQlHhvJyiUBEzlUQB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b662445ddd0d3f4184e53c31e10a5467fca92a4a2011902ff4258471ef3621e. 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/6vLZeNQlHhvJyiUBEzlUQB.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/6vLZeNQlHhvJyiUBEzlUQB.