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 0x4814763686805c54e2c3e4ad5c55c43beda3aeefffe3feeba61d4393bff3c784. 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/d609e2dd-e3ab-4003-ad5f-98fcf495d28b.json and https://artists.proofprofile.net/proofs/artist/d609e2dd-e3ab-4003-ad5f-98fcf495d28b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Guaper, La Tenaza que Corta el Alambre del Corral
Todos Fuimos Niños Alguna Vez, Pocos Lo Recuerdan
Guaper la Tenaza Que Corta el Alambre del Corral
Ajeno - Con Fragmentos de Ricky Espinosa
Lo mundano de la tristeza (A Jimenita) - Bonus Track
A cielo abierto (El sol no tiene enemigos) - Bonus 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 0x0d381f5c265b6ebd457eae5df508bb70751f2ef903d5d0e9ee931fc4035d535a. 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/3q12WDEwOXCxtC540GD6ps.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/3q12WDEwOXCxtC540GD6ps.
Salto Desde una Habitación Prendida Fuego
Lo Mundano de la Tristeza (A Jimenita) [Bonus Track]
A Cielo Abierto (El Sol No Tiene Enemigos) [Bonus Track]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27a78e5907ecdb01c863f2bcd7895da1c4a527d81894c943ca6e9b2c098029b7. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Nc4lBxrTZZWawyfVgkbu4.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/4Nc4lBxrTZZWawyfVgkbu4.
Salto Desde una Habitacion Prendida Fuego
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fff6513a2f895eda837445318594b02434e2c5150696328bea1fd5f523daabe. 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/2d8S6q7CihXNrsLBptOUVu.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/2d8S6q7CihXNrsLBptOUVu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2c7ad940ecc74390e109b53f87dd2b663600045755831a2feb8c99a85f74209. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2upvfU7PsaaN38iptfks1U.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/2upvfU7PsaaN38iptfks1U.
El Mismo Sol (Lado B) Experimental Set - Abril 2018
El Mismo Sol (Lado B) - Experimental Set - Abril 2018
El Mismo Sol (Lado B) Experimental Set - Abril 2018 [En vivo]
Bahía do Point Olive (En Vivo) - En vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb69e0995a2a08af7002161cdede0f8604156d9f19e153cba71b523603bfcff2c. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1HU9uePnzE4RdomNtxICSC.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/1HU9uePnzE4RdomNtxICSC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d3709ac82c6f8b6d95bf806f35d4372a4b799952949d34f721d361a61c9a18a. 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/76tpbgFmp51VJvRb0129Lv.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/76tpbgFmp51VJvRb0129Lv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77233e44ab1ce96df3993c9160bbd6117fc33abf8781f3749409b15fb79ee6b3. 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/5iQd2DgoIfg1Rq4BrvV2nT.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/5iQd2DgoIfg1Rq4BrvV2nT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d4ffbcf9c36d77b3536f88786128bcf7e9cd1ed5f9645a7f520274d5d0d3be4. 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/5DQGOGJLqvBHf5bqrKLZtL.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/5DQGOGJLqvBHf5bqrKLZtL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb69e0995a2a08af7002161cdede0f8604156d9f19e153cba71b523603bfcff2c. 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/4q3INV20vNx0BQYNTDLGEb.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/4q3INV20vNx0BQYNTDLGEb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb46efd610b50d26fc50de0d7e98c4c1f5f91cf19e2a19e005f546b7f99370b62. 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/1RNxwVLiY06RTApSos8Gvi.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/1RNxwVLiY06RTApSos8Gvi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba49358c76c0cb9eebe57d3ce4f139f648c094404edef270d232e55fb6abc8b4. 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/1Fmnyqcmk8GQHClmljSRyM.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/1Fmnyqcmk8GQHClmljSRyM.
{"copyright_id":"0x9d9d78bfe1862b9f1192f8a84a995edc5985b3c11cca35f481e33535b4b9ea98","isrc":"AR1RB2210007","name":"Accidentes Geográficos","registered_at":"2026-06-09T09:48:37Z","spotify_id":"77rvrPYHhb9sOz32KkKpig","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d9d78bfe1862b9f1192f8a84a995edc5985b3c11cca35f481e33535b4b9ea98. 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/77rvrPYHhb9sOz32KkKpig.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/77rvrPYHhb9sOz32KkKpig.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97efb8c39626178d1da19aae0e40794072e629841ba2b755fcf8f719a5e783a6. 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/4ZU0ePcC3ShlSBGAQ7e0UX.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/4ZU0ePcC3ShlSBGAQ7e0UX.