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 0x33049c3c5401b0e5b2634ad395980aae2f92dc47afbb4c36f874a28b2432c728. 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/8c17c20c-f7c2-43db-9749-8609e8ece79e.json and https://artists.proofprofile.net/proofs/artist/8c17c20c-f7c2-43db-9749-8609e8ece79e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x1fe3d8ba8001dc1cc4f031d2d4d4ebce599a85ef631ec56500b1c0c68e96c875","isrc":"QMBZ92252635","name":"Cero Miedo - En Vivo","registered_at":"2026-06-08T13:16:41Z","spotify_id":"6EHHA3r4hWElLYzbfhH17z","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 0x1fe3d8ba8001dc1cc4f031d2d4d4ebce599a85ef631ec56500b1c0c68e96c875. 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/6EHHA3r4hWElLYzbfhH17z.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/6EHHA3r4hWElLYzbfhH17z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d06106f1739e5a14f3fbc995c54cd28eb84e9ee0d4c9c5ce40ab8c5b04b069e. 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/1OSVK0IN89X7uVslhI8Bdb.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/1OSVK0IN89X7uVslhI8Bdb.
{"copyright_id":"0xb336b05f38eba4b68fd9fd955345fcaae2c848e7613a7d5d5c31344869f43c8c","isrc":"QZ9QQ2300089","name":"Humilde De Abolengo","registered_at":"2026-06-22T04:55:51Z","spotify_id":"7Jy8JtIdGE0bf80q13RbOR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb336b05f38eba4b68fd9fd955345fcaae2c848e7613a7d5d5c31344869f43c8c. 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/7Jy8JtIdGE0bf80q13RbOR.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/7Jy8JtIdGE0bf80q13RbOR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x374cd85e779968031fe10657570970a40fb51929b9bdd1089d5fae95d4dcce37. 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/2CU5Q1bixLZ7p3fPPRo1O6.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/2CU5Q1bixLZ7p3fPPRo1O6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4568bb18ca6b44a7c20d62574c720714a7f7cafc7284123f1f744d61807c19b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6CKwHzfBBregavPy5rX6Pi.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/6CKwHzfBBregavPy5rX6Pi.
{"copyright_id":"0xd16456cc29e715b2fcb1719f2307ec51c1aeb845ff063e69dfac82b80da1c62c","isrc":"QZ9QQ2300095","name":"Sentimientos De Carton","registered_at":"2026-06-24T18:49:57Z","spotify_id":"7u5JxX8U6OYOl0WrrFRPej","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16456cc29e715b2fcb1719f2307ec51c1aeb845ff063e69dfac82b80da1c62c. 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/7u5JxX8U6OYOl0WrrFRPej.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/7u5JxX8U6OYOl0WrrFRPej.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10abdafd79a3213772bc95e815022e5a1b59311738e5249db318d63386f9fb0b. 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/3dz1TO5MR0K5Aggy8NlJv8.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/3dz1TO5MR0K5Aggy8NlJv8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77e95c89a3268607048ba124216ef2a061393c6b8bc619753572b8c60d600cdb. 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/5Jr0K4JVOhVSZKqKqYsawM.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/5Jr0K4JVOhVSZKqKqYsawM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc31068fea9e82cd55456c905260224aba271a493445c29a7be42432c52aa9c0f. 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/3tC26TmoCqEaGIQqApYAd6.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/3tC26TmoCqEaGIQqApYAd6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x374cd85e779968031fe10657570970a40fb51929b9bdd1089d5fae95d4dcce37. 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/2ZrDe83QNYiddNxvsjzKyC.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/2ZrDe83QNYiddNxvsjzKyC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10334421f14c4c49965e6cf2d1d30e27d09bdd79e14215d9252f9e8e33e949b0. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2nnKwmLOkhND3BUn3YnBFj.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/2nnKwmLOkhND3BUn3YnBFj.
{"copyright_id":"0x40b93df4ca67d97a3eafece8fe722f6c6e1824aa6121863ca13a5e9c6a26a5d0","isrc":"QZ9QQ2200018","name":"Me Tachan De Malo","registered_at":"2026-06-27T08:25:09Z","spotify_id":"2WDLy7YmxMTBoB4dSlU9J2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40b93df4ca67d97a3eafece8fe722f6c6e1824aa6121863ca13a5e9c6a26a5d0. 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/2WDLy7YmxMTBoB4dSlU9J2.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/2WDLy7YmxMTBoB4dSlU9J2.
{"copyright_id":"0x48daaf8cd372d9d6343bd88d1f5cf5e9c48b2db6348f494e7af91738419db5ca","isrc":"USDXS2203017","name":"Presumo Lo Que Tengo","registered_at":"2026-06-06T05:16:53Z","spotify_id":"6CwFy3iB0Rtcbuy0Ip4Vhk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48daaf8cd372d9d6343bd88d1f5cf5e9c48b2db6348f494e7af91738419db5ca. 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/6CwFy3iB0Rtcbuy0Ip4Vhk.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/6CwFy3iB0Rtcbuy0Ip4Vhk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e51c423bb804c558d509915a219fb1b7393956ef132839a07570133582d5099. 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/6P9Q8g8I1W6hfdl9krBvaz.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/6P9Q8g8I1W6hfdl9krBvaz.
{"copyright_id":"0x22360fd9a2496eecef54c17ac4bb29debe6c3d32576407b0be7a881ad12266dd","isrc":"USDXS2101295","name":"En Donde Quedo Yo","registered_at":"2026-06-20T08:41:37Z","spotify_id":"1WT3tG0bN0GfmNwVLt6Z65","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22360fd9a2496eecef54c17ac4bb29debe6c3d32576407b0be7a881ad12266dd. 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/1WT3tG0bN0GfmNwVLt6Z65.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/1WT3tG0bN0GfmNwVLt6Z65.
{"copyright_id":"0xa31ffbe85862cb3b9e1bfff5c24dce8467823573aefadb76684f382e3a2db3f2","isrc":"USDXS2101296","name":"Que Fue Lo Que Falto","registered_at":"2026-06-18T03:16:48Z","spotify_id":"62CttI2WXgMd49KI5lYG9J","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa31ffbe85862cb3b9e1bfff5c24dce8467823573aefadb76684f382e3a2db3f2. 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/62CttI2WXgMd49KI5lYG9J.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/62CttI2WXgMd49KI5lYG9J.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81c11d32a1d4faaec3abddae2bf731b69ca976a6922ebce98dd063a19d0921e6. 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/2xmH5KTkTsRWAxxHbXJkoL.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/2xmH5KTkTsRWAxxHbXJkoL.
{"copyright_id":"0xf30103edbdbacf5756c95ff05c2ccdda7c12ef2be14e30711ec5fc25b3d49f13","isrc":"USDXS2101298","name":"Tu Eres","registered_at":"2026-06-25T07:33:09Z","spotify_id":"5jpZ1BLI8XB6JTtFdJ7o1t","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf30103edbdbacf5756c95ff05c2ccdda7c12ef2be14e30711ec5fc25b3d49f13. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5jpZ1BLI8XB6JTtFdJ7o1t.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/5jpZ1BLI8XB6JTtFdJ7o1t.
{"copyright_id":"0xf9129f8cafc2da24b96e51904d47da646eb414878bde0b8b315b8f8b9cf7d80e","isrc":"USJ3V2038972","name":"Si Me Piden un Paro","registered_at":"2026-06-05T06:51:41Z","spotify_id":"6Do0qT1qui7Uw65hexK3nD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9129f8cafc2da24b96e51904d47da646eb414878bde0b8b315b8f8b9cf7d80e. 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/6Do0qT1qui7Uw65hexK3nD.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/6Do0qT1qui7Uw65hexK3nD.
{"copyright_id":"0xa2667dc8a8be89e5e3f90fede3d5617430101ebc26b95d55745c21d9e5045154","isrc":"QZDQH2393038","name":"LVQV (La Vida Que Vivo)","registered_at":"2026-06-28T05:49:35Z","spotify_id":"65a0MLwTXHiDBhhpSUYjpi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2667dc8a8be89e5e3f90fede3d5617430101ebc26b95d55745c21d9e5045154. 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/65a0MLwTXHiDBhhpSUYjpi.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/65a0MLwTXHiDBhhpSUYjpi.
{"copyright_id":"0x1d34bab1f41ffb1f9043736e73b406a653648ba9b6fa3b8872cc885c18ac74a0","isrc":"QZDQH2390409","name":"Modo Tranquilón","registered_at":"2026-06-08T04:10:51Z","spotify_id":"68prGJqyFk5wILH0xNFeD3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d34bab1f41ffb1f9043736e73b406a653648ba9b6fa3b8872cc885c18ac74a0. 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/68prGJqyFk5wILH0xNFeD3.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/68prGJqyFk5wILH0xNFeD3.
{"copyright_id":"0xbce89ebd9dab808102428fad1da444ab97ef3f2bb717e54ae6967b6124f9d422","isrc":"QZDQH2394696","name":"El Comal","registered_at":"2026-06-08T13:07:05Z","spotify_id":"0EegZjGG5yJaNeJHvwIAfw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbce89ebd9dab808102428fad1da444ab97ef3f2bb717e54ae6967b6124f9d422. 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/0EegZjGG5yJaNeJHvwIAfw.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/0EegZjGG5yJaNeJHvwIAfw.
{"copyright_id":"0x81d81980e7aa66a275d6b273fd53ada0bde4f7cc9106b3f4bbb3cbc12edeb72e","isrc":"USA2P2429365","name":"No Fue Facil","registered_at":"2026-06-11T04:04:37Z","spotify_id":"1aujiU9g5Af18KIofFxzIM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d81980e7aa66a275d6b273fd53ada0bde4f7cc9106b3f4bbb3cbc12edeb72e. 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/1aujiU9g5Af18KIofFxzIM.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/1aujiU9g5Af18KIofFxzIM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99f3424d2fd30a9128b205011127b472038ac64a7e806280a9c5782c5ca23ef0. 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/5m5WsByoyohemu0zBU8fNY.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/5m5WsByoyohemu0zBU8fNY.
{"copyright_id":"0xbe561c5f703a9bc5da5e4e6e7f62b7cacefeb9eefea3eb8ab163b58efc347b3e","isrc":"USA2P2470231","name":"Blindadas Las Trocas","registered_at":"2026-06-10T18:55:44Z","spotify_id":"5CAv2MziiitZMWZdCfrGwg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe561c5f703a9bc5da5e4e6e7f62b7cacefeb9eefea3eb8ab163b58efc347b3e. 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/5CAv2MziiitZMWZdCfrGwg.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/5CAv2MziiitZMWZdCfrGwg.
{"copyright_id":"0xffc129a9aed022e43e01191a6b7378a33e114793afdd0cd54d3c8258a9bccfcf","isrc":"USA2P2464690","name":"Llamada De Mi Ex","registered_at":"2026-06-23T09:39:08Z","spotify_id":"3JsgPurDHLmXNl3cun6GEA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffc129a9aed022e43e01191a6b7378a33e114793afdd0cd54d3c8258a9bccfcf. 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/3JsgPurDHLmXNl3cun6GEA.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/3JsgPurDHLmXNl3cun6GEA.
{"copyright_id":"0x39bad39c97fcc608a70bd99a5f7aba297ba492c4e2dfac4d48aeeb2bfa44989b","isrc":"QMBZ92472658","name":"Suena el Cel","registered_at":"2026-06-10T19:08:13Z","spotify_id":"4FJj8x1mlla7Zupq3Y0kCD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39bad39c97fcc608a70bd99a5f7aba297ba492c4e2dfac4d48aeeb2bfa44989b. 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/4FJj8x1mlla7Zupq3Y0kCD.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/4FJj8x1mlla7Zupq3Y0kCD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf83645c8048125e53bfb76e58ee360212c0a90a3e2d2f28d36b91c9511ae5198. 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/4AmEybS8CtOpdzOcJX6WYp.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/4AmEybS8CtOpdzOcJX6WYp.
{"copyright_id":"0xdef05683f963c903fdf42fe7cdf7e03171694fc461bfad968262b41f6174a4e5","isrc":"QMANG2234837","name":"Amigos Para Que","registered_at":"2026-06-07T01:36:11Z","spotify_id":"4Z3M3OhGOF5lMjr8UbdJoW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdef05683f963c903fdf42fe7cdf7e03171694fc461bfad968262b41f6174a4e5. 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/4Z3M3OhGOF5lMjr8UbdJoW.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/4Z3M3OhGOF5lMjr8UbdJoW.
{"copyright_id":"0xc7432ab3faf417efe5c0d9f33828d46593f15f3da6cd3e710300a7f4326d981f","isrc":"QMDA62305951","name":"Pisteando Botes - En vivo","registered_at":"2026-06-24T16:48:04Z","spotify_id":"3InRrJZCX3kGpUrxONFJua","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7432ab3faf417efe5c0d9f33828d46593f15f3da6cd3e710300a7f4326d981f. 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/3InRrJZCX3kGpUrxONFJua.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/3InRrJZCX3kGpUrxONFJua.