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 0xe8529e71f6dc4928ab67fc4aab4ec5fe80ad8e0cb2eee4186a6429b083e566ca. 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/a2aa4baf-da41-479b-8c18-7261f9a85d4b.json and https://artists.proofprofile.net/proofs/artist/a2aa4baf-da41-479b-8c18-7261f9a85d4b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Liricistas (feat. Adamastor, Chullage, Ace & Fuse)
Beleza Artificial (feat. Bonus & Sam The Kid)
{"copyright_id":"0x9dfb9d6ac8c2f029b767741eef43b0959e71d54cb0e5abd7989a34dcc550ab97","isrc":"PTGMQ0700214","name":"Ser ou Não Ser (feat. Bonus)","registered_at":"2026-06-29T17:15:39Z","spotify_id":"78xNyjSDJf3XGqKKLkaA0V","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 0x9dfb9d6ac8c2f029b767741eef43b0959e71d54cb0e5abd7989a34dcc550ab97. 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/78xNyjSDJf3XGqKKLkaA0V.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/78xNyjSDJf3XGqKKLkaA0V.
{"copyright_id":"0x66b578f4b5cee1ed8e5d40615886a9b21f3823bbd0d6c0ac1ade621417ac3ad7","isrc":"PTGMQ0610099","name":"Coisas do Género (feat. Gally)","registered_at":"2026-06-19T12:48:43Z","spotify_id":"4lN6qGM23Lzxu09qzErCjQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66b578f4b5cee1ed8e5d40615886a9b21f3823bbd0d6c0ac1ade621417ac3ad7. 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/4lN6qGM23Lzxu09qzErCjQ.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/4lN6qGM23Lzxu09qzErCjQ.
Serviço Público (feat. Selma Uamusse & DJ Stikup)
{"copyright_id":"0xa72325ae44b1ff522c60d373beacab09a12a738fa756920b18854e4068a07e51","isrc":"PTGMQ0610100","name":"Serviço Público (feat. Selma Uamusse & DJ Stikup)","registered_at":"2026-06-07T20:37:35Z","spotify_id":"1gFrwrV9IwIttn3J5f87bL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa72325ae44b1ff522c60d373beacab09a12a738fa756920b18854e4068a07e51. 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/1gFrwrV9IwIttn3J5f87bL.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/1gFrwrV9IwIttn3J5f87bL.
{"copyright_id":"0x714bc9cb35005c156faed85a76569b9cee12a367a69919ce9fb916f5c1a2ec57","isrc":"PTGMQ0610101","name":"15 Segundos de Hugo Chavez","registered_at":"2026-06-20T07:38:40Z","spotify_id":"3BXlIKph8NDO8bcuz8tU1D","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x714bc9cb35005c156faed85a76569b9cee12a367a69919ce9fb916f5c1a2ec57. 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/3BXlIKph8NDO8bcuz8tU1D.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/3BXlIKph8NDO8bcuz8tU1D.
{"copyright_id":"0xff3a89bac8dd21124cf6c91d4cfda3b51669d6c501375194b0a37663db34b3cd","isrc":"PTGMQ0610102","name":"Revelação (feat. Raquel Oliveira)","registered_at":"2026-06-07T01:20:17Z","spotify_id":"5J1k6tzN0Ou21H9iYXF32z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff3a89bac8dd21124cf6c91d4cfda3b51669d6c501375194b0a37663db34b3cd. 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/5J1k6tzN0Ou21H9iYXF32z.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/5J1k6tzN0Ou21H9iYXF32z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56d3ba7be1bf27a934566c415897f08cda69d8c92c638195f5fea8dda198f65d. 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/5BOaGqoh82lBK9349bycqK.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/5BOaGqoh82lBK9349bycqK.
Pela Música Pt2 (feat. Ikonoklasta & Sam The Kid)
{"copyright_id":"0xe93b5dbdff1c16e39ea3d85aa7256c4e74d9c0a133010c1392e16fb3696f3fa0","isrc":"PTGMQ0610104","name":"Pela Música Pt2 (feat. Ikonoklasta & Sam The Kid)","registered_at":"2026-06-08T17:48:58Z","spotify_id":"3EuS0GQUtgy52LGincQraj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe93b5dbdff1c16e39ea3d85aa7256c4e74d9c0a133010c1392e16fb3696f3fa0. 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/3EuS0GQUtgy52LGincQraj.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/3EuS0GQUtgy52LGincQraj.
Canal 115 (feat. Bonus, Adamastor & DJ Stikup)
{"copyright_id":"0x7a79e57daacbb82b3863c3a00564923885302b76a63f4773d2d33e874ade7c51","isrc":"PTGMQ0610105","name":"Canal 115 (feat. Bonus, Adamastor & DJ Stikup)","registered_at":"2026-06-07T07:57:01Z","spotify_id":"5e1nUlMxi5TFijXnktGT0f","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a79e57daacbb82b3863c3a00564923885302b76a63f4773d2d33e874ade7c51. 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/5e1nUlMxi5TFijXnktGT0f.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/5e1nUlMxi5TFijXnktGT0f.
{"copyright_id":"0x360abec8567d6dc9a9dd60fe61605f044381f263485454854d6155bea84ce8b6","isrc":"PTGMQ0610106","name":"Subúrbios (feat. DJ Stikup)","registered_at":"2026-06-06T05:06:18Z","spotify_id":"30mtDkhpHlWWMhnKG9nAWC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x360abec8567d6dc9a9dd60fe61605f044381f263485454854d6155bea84ce8b6. 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/30mtDkhpHlWWMhnKG9nAWC.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/30mtDkhpHlWWMhnKG9nAWC.
{"copyright_id":"0xc267cce152b07c82318b9ab6b87e18072ad9ae5686386fa211f82452e14b3dcf","isrc":"PTGMQ0610107","name":"Os Meus (feat. DJ Bomberjack)","registered_at":"2026-06-07T20:35:43Z","spotify_id":"5c9jyVyn54D8lCkcEdwxBd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc267cce152b07c82318b9ab6b87e18072ad9ae5686386fa211f82452e14b3dcf. 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/5c9jyVyn54D8lCkcEdwxBd.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/5c9jyVyn54D8lCkcEdwxBd.
{"copyright_id":"0x168220c4b1cb476d19f3bc711f0b21907be5edeaca5d3945110e5b8e1edf603c","isrc":"PTGMQ0610108","name":"Não Te Adaptes (feat. Selma Uamusse)","registered_at":"2026-06-10T05:41:45Z","spotify_id":"0tdP2DoUNTHQjlaV7JvopN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x168220c4b1cb476d19f3bc711f0b21907be5edeaca5d3945110e5b8e1edf603c. 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/0tdP2DoUNTHQjlaV7JvopN.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/0tdP2DoUNTHQjlaV7JvopN.
{"copyright_id":"0xd727768b4e623995f23ee0e047caedfc035387e7fda667393a9b5ed2c7668182","isrc":"PTGMQ0610109","name":"Masturbação Mental","registered_at":"2026-06-10T05:38:25Z","spotify_id":"0k5D1sD9ejf9syDGOlOEYB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd727768b4e623995f23ee0e047caedfc035387e7fda667393a9b5ed2c7668182. 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/0k5D1sD9ejf9syDGOlOEYB.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/0k5D1sD9ejf9syDGOlOEYB.
{"copyright_id":"0xd184812fde8cd4746a6d23ced7ce03998969fda9981b17678b2ea8466a7b57a5","isrc":"PTGMQ0610110","name":"15 Segundos de Fidel Castro","registered_at":"2026-06-22T20:02:47Z","spotify_id":"2dESnn2rM2kkeSCUdg2ACV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd184812fde8cd4746a6d23ced7ce03998969fda9981b17678b2ea8466a7b57a5. 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/2dESnn2rM2kkeSCUdg2ACV.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/2dESnn2rM2kkeSCUdg2ACV.
Monogamia (feat. Sara Ribeiro & DJ Bomberjack)
{"copyright_id":"0x49158a5e2edcb1e9338abd0b5212cff7784511542715cead617225b589890c56","isrc":"PTGMQ0610111","name":"Monogamia (feat. Sara Ribeiro & DJ Bomberjack)","registered_at":"2026-06-06T17:48:28Z","spotify_id":"6xEyygO3wOXuR4hbdBCdxr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49158a5e2edcb1e9338abd0b5212cff7784511542715cead617225b589890c56. 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/6xEyygO3wOXuR4hbdBCdxr.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/6xEyygO3wOXuR4hbdBCdxr.
{"copyright_id":"0xa356137f73aee6f070fba3ebcc17bca7dbfc1bb7c903b0215fa2015d7e533977","isrc":"PTGMQ0610112","name":"Roleta Russa (feat. Luisa & Camplaix)","registered_at":"2026-06-04T15:11:39Z","spotify_id":"4DibtKULHyl4WSmv9B9zOX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa356137f73aee6f070fba3ebcc17bca7dbfc1bb7c903b0215fa2015d7e533977. 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/4DibtKULHyl4WSmv9B9zOX.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/4DibtKULHyl4WSmv9B9zOX.
{"copyright_id":"0x604eda08070f8b9d039363e095ca590269d657fca399f73aa1658bcbc4a6a703","isrc":"PTGMQ0610114","name":"Anti-Herói (feat. Selma Uamusse)","registered_at":"2026-06-05T17:14:16Z","spotify_id":"0gU303Z5jsCwuNtSVRcDv6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x604eda08070f8b9d039363e095ca590269d657fca399f73aa1658bcbc4a6a703. 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/0gU303Z5jsCwuNtSVRcDv6.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/0gU303Z5jsCwuNtSVRcDv6.
O Munda Muda a Cada Gesto Teu (Remistura)
{"copyright_id":"0xe9c6f8ac2d5727df56c4a4e90ee90ae55f2851a40828eb3fc7da6032540513e2","isrc":"PT2ID2000001","name":"Olimpo (feat. Phoenix Rdc & Virgul)","registered_at":"2026-06-08T05:35:51Z","spotify_id":"51q1lTCMWVyDXemBA2gOcu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9c6f8ac2d5727df56c4a4e90ee90ae55f2851a40828eb3fc7da6032540513e2. 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/51q1lTCMWVyDXemBA2gOcu.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/51q1lTCMWVyDXemBA2gOcu.
{"copyright_id":"0xc06ae9432f947bbee5f69f0b17bc3059dd32abfaf958192982b5496e8ccc0f48","isrc":"PTJV10900023","name":"Primeira Vez","registered_at":"2026-06-21T08:12:33Z","spotify_id":"4oXkROe5iARF5uFgjRksM1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc06ae9432f947bbee5f69f0b17bc3059dd32abfaf958192982b5496e8ccc0f48. 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/4oXkROe5iARF5uFgjRksM1.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/4oXkROe5iARF5uFgjRksM1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49666b72239122902b6f6d2d4f56e6a6eceac08b05a6d95a04d6ed4a21a1d173. 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/3zFznsxp6F58De8O4qBRJF.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/3zFznsxp6F58De8O4qBRJF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a1d49337349c775a21b5826f5a888b3e3b26b9c6940b144670cfb2acba2cda. 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/1smY2oj6VeYLPsrupx5XTg.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/1smY2oj6VeYLPsrupx5XTg.