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 0x50e55b12779b2c4f5e9ef75937eeacab21532faa522b01e40025da25d2ec556f. 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/aaa9782a-1dba-42f5-a4cd-8d4c70e98117.json and https://artists.proofprofile.net/proofs/artist/aaa9782a-1dba-42f5-a4cd-8d4c70e98117.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xee2bdaf4fec1ca9babcf4c714b9402484a409ff3d188f2604219011c0fa3bf19","isrc":"DEUM72201037","name":"Lucky - Wave Wave Remix","registered_at":"2026-06-18T15:43:00Z","spotify_id":"7sORU8UyF1Y0E9GwtgKtEl","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 0xee2bdaf4fec1ca9babcf4c714b9402484a409ff3d188f2604219011c0fa3bf19. 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/7sORU8UyF1Y0E9GwtgKtEl.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/7sORU8UyF1Y0E9GwtgKtEl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63fc1bf305005ec9830ac2a34792fab6cf6fb35acc8a773df0608fa4ef25e5e4. 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/0p2l7iShwadwS2qe0M8lV1.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/0p2l7iShwadwS2qe0M8lV1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b15f8259ab1d86635ad4494077e6c9653f46c12cc455a1fb02e09ad87e80d53. 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/7fE4I27jGvxcWnUls9ABRT.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/7fE4I27jGvxcWnUls9ABRT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a616b2b8873cd1409066c57120f255701c72ac04ce6000b64a5ee3d0f2df9b8. 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/7omRjfVEwx72dRDNWdFs43.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/7omRjfVEwx72dRDNWdFs43.
{"copyright_id":"0x23fe8e33f5e7cc45c588f30bab5585fc672dd0cc132586f56e4f0707312d58f4","isrc":"DEUM72202842","name":"Is It Love - Öwnboss Remix","registered_at":"2026-06-22T07:08:29Z","spotify_id":"3GGb1PYDGNlRoD5aRyyE6l","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23fe8e33f5e7cc45c588f30bab5585fc672dd0cc132586f56e4f0707312d58f4. 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/3GGb1PYDGNlRoD5aRyyE6l.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/3GGb1PYDGNlRoD5aRyyE6l.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc9897cfdb0a15b9d03bff618846b1ab95dad076ea9047e97c5dae9145312613. 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/511PZ64E0ptS8Cl5QRESP1.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/511PZ64E0ptS8Cl5QRESP1.
{"copyright_id":"0x020f70651c08d52cdbf2ef3a7a3a8f936fbba9e920b580d1d8aad8bda9e4fefe","isrc":"USUM72102387","name":"Skin - Quarterhead Remix","registered_at":"2026-06-06T07:51:22Z","spotify_id":"3DNziCcqRd2v8uQWwec1GW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x020f70651c08d52cdbf2ef3a7a3a8f936fbba9e920b580d1d8aad8bda9e4fefe. 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/3DNziCcqRd2v8uQWwec1GW.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/3DNziCcqRd2v8uQWwec1GW.
{"copyright_id":"0x6b0d47cefa029e933c019b4c118b36b6fd60276764dde9ae132f1bd6fd8890db","isrc":"AUDCB1702121","name":"System Overload","registered_at":"2026-06-19T02:34:22Z","spotify_id":"5IMetvxeKmnFeUiCvsFYL1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b0d47cefa029e933c019b4c118b36b6fd60276764dde9ae132f1bd6fd8890db. 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/5IMetvxeKmnFeUiCvsFYL1.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/5IMetvxeKmnFeUiCvsFYL1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9e1db3a523d9d623461df30be5e2b63d049eb4a639820ddf300cf0fd0480c0f. 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/60LqGQ9H0edzxwy2xhH5Sr.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/60LqGQ9H0edzxwy2xhH5Sr.
All Good Things (Come To An End) [Nelly Furtado x Quarterhead]
All Good Things (Come To An End) - Nelly Furtado x Quarterhead
{"copyright_id":"0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28","isrc":"USUM72106552","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead","registered_at":"2026-06-04T12:11:48Z","spotify_id":"6SGrxiwzBMXdH02vDhKJvr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28. 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/6SGrxiwzBMXdH02vDhKJvr.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/6SGrxiwzBMXdH02vDhKJvr.
All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Extended Remix
{"copyright_id":"0x042f8dd9eb57cf45fec69344679a2de5158e6aa6d815a80663666b64cac50075","isrc":"USUM72107522","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Extended Remix","registered_at":"2026-06-19T22:24:10Z","spotify_id":"00xjfer1vFypUtlp8g7lt0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x042f8dd9eb57cf45fec69344679a2de5158e6aa6d815a80663666b64cac50075. 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/00xjfer1vFypUtlp8g7lt0.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/00xjfer1vFypUtlp8g7lt0.
All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Remix Instrumental
{"copyright_id":"0x59a1d564b37157aa90925dae320d65eb12fbb40c7341bd5e934dfedee0f5ba49","isrc":"USUM72107523","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Remix Instrumental","registered_at":"2026-06-28T03:49:50Z","spotify_id":"2cclmIYVuSDxU1EZ7WtIUw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59a1d564b37157aa90925dae320d65eb12fbb40c7341bd5e934dfedee0f5ba49. 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/2cclmIYVuSDxU1EZ7WtIUw.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/2cclmIYVuSDxU1EZ7WtIUw.
All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Extended Remix Instrumental
{"copyright_id":"0x5dde2d76a75e0ef2bc143b66d38a14793cc791e4fae13af126d98189cc467a03","isrc":"QZUCN2200021","name":"WATER. - Quarterhead Remix","registered_at":"2026-06-04T08:38:51Z","spotify_id":"4NRRsvAdZ1kr3wIXZUq1jZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dde2d76a75e0ef2bc143b66d38a14793cc791e4fae13af126d98189cc467a03. 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/4NRRsvAdZ1kr3wIXZUq1jZ.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/4NRRsvAdZ1kr3wIXZUq1jZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x772ab08eeef4ef8f51059229b96773cbdbc96cbe4724a2a296350f67f9ab5a9b. 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/6XJztU6tcpxFekSH98chJb.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/6XJztU6tcpxFekSH98chJb.
{"copyright_id":"0xacf157cdfa9591a9d68e04df8dd2bdf7f7d738cf65869ca4faaf40fab1376cb9","isrc":"QZWH32300004","name":"Feel The Same","registered_at":"2026-06-05T06:33:03Z","spotify_id":"18GnN8b5cowdyfyXLx8XlK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacf157cdfa9591a9d68e04df8dd2bdf7f7d738cf65869ca4faaf40fab1376cb9. 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/18GnN8b5cowdyfyXLx8XlK.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/18GnN8b5cowdyfyXLx8XlK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88af1f541eb1d5d668272bab81994b1adb407c6798a59d51b39cc3394f0b5bfe. 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/439gmRO6yOAxK583c8UDqM.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/439gmRO6yOAxK583c8UDqM.
{"copyright_id":"0xf52b69af26d72d5e36dc396cf4641b657221cb379ea1e705fb5b04adbabaeb1e","isrc":"DEUM72406953","name":"You Will See - Matt Sassari Remix","registered_at":"2026-06-07T16:03:16Z","spotify_id":"4boXVvUTDqNuwz1vX7ihNN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf52b69af26d72d5e36dc396cf4641b657221cb379ea1e705fb5b04adbabaeb1e. 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/4boXVvUTDqNuwz1vX7ihNN.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/4boXVvUTDqNuwz1vX7ihNN.
{"copyright_id":"0x6da8b12a6e687c92c3f9efe863bb7cadd7bb5b89da7f2134295b16f52d5dfe30","isrc":"GBKQU2328636","name":"You Will See","registered_at":"2026-06-01T10:18:55Z","spotify_id":"5euIyuyMT69yPkgveZ43KE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6da8b12a6e687c92c3f9efe863bb7cadd7bb5b89da7f2134295b16f52d5dfe30. 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/5euIyuyMT69yPkgveZ43KE.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/5euIyuyMT69yPkgveZ43KE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39fafa4ad308db1951a6f1bb7f1a3a567dd26b6531ab5a673f8aaddd9a581a19. 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/7e50aVJ3Zpgrk1cpM9Rg3P.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/7e50aVJ3Zpgrk1cpM9Rg3P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe003f98da61c84854b40c474cf037128f3bcbe22470b047b393ff168c7635062. 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/37TjwbfAtJZnqUgStg7rpp.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/37TjwbfAtJZnqUgStg7rpp.
Free Like The Ocean - Quarterhead Deep Sea Club Edit
{"copyright_id":"0x0f3da02a2007650c21910ce87d1f5a522fdaef486afa7d7781221db1f86dbba8","isrc":"DEUM72310828","name":"Free Like The Ocean - Quarterhead Deep Sea Club Edit","registered_at":"2026-06-11T11:08:17Z","spotify_id":"7f0FnrQztHE63pFc7hKLcJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f3da02a2007650c21910ce87d1f5a522fdaef486afa7d7781221db1f86dbba8. 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/7f0FnrQztHE63pFc7hKLcJ.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/7f0FnrQztHE63pFc7hKLcJ.
Free Like The Ocean - KXXMA WAVE VERSION
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58d5951b190e06ae452dc3732f65623ffac8e9d975c319e4605895fdb69ef63c. 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/6lyAxzO2TTQOIA7S3o4M5v.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/6lyAxzO2TTQOIA7S3o4M5v.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58d5951b190e06ae452dc3732f65623ffac8e9d975c319e4605895fdb69ef63c. 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/47Uvtw7WKsQuB1Cie2w9io.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/47Uvtw7WKsQuB1Cie2w9io.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd17dc571a0e47dc189de22c307a737338aa037cfa47dd8af929382e5d590cc07. 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/1LoGrm5coC2yXhofVni5Cp.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/1LoGrm5coC2yXhofVni5Cp.
{"copyright_id":"0x3507ea0e8dfc0923e6258d91f415a103ce26f98b4758c25d9eba83995fd3b4dc","isrc":"GBHAD2300025","name":"Remedy - Extended Mix","registered_at":"2026-06-22T16:55:18Z","spotify_id":"2aGMoJxJVIGBMVl8Qj1Zd5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3507ea0e8dfc0923e6258d91f415a103ce26f98b4758c25d9eba83995fd3b4dc. 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/2aGMoJxJVIGBMVl8Qj1Zd5.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/2aGMoJxJVIGBMVl8Qj1Zd5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb929b9431d7051916d5156b5f6b1b217c54fd396d5abd0d5cc587dd51a285f3. 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/1icGmUg7WzWAuIhchk9Jjp.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/1icGmUg7WzWAuIhchk9Jjp.
{"copyright_id":"0x6da8b12a6e687c92c3f9efe863bb7cadd7bb5b89da7f2134295b16f52d5dfe30","isrc":"GBKQU2328636","name":"You Will See","registered_at":"2026-06-01T10:18:55Z","spotify_id":"77iE7LcAR6cmYOd19H0FsK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6da8b12a6e687c92c3f9efe863bb7cadd7bb5b89da7f2134295b16f52d5dfe30. 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/77iE7LcAR6cmYOd19H0FsK.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/77iE7LcAR6cmYOd19H0FsK.
{"copyright_id":"0x9c030028f134a2aa9a44bb4f3bf2d5a1b14739bada2d35285d29ef864a53411d","isrc":"DEUM72205628","name":"You Spin Me Right Round","registered_at":"2026-06-04T15:44:36Z","spotify_id":"0hjrnX8juGF8QNTamYVgRm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c030028f134a2aa9a44bb4f3bf2d5a1b14739bada2d35285d29ef864a53411d. 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/0hjrnX8juGF8QNTamYVgRm.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/0hjrnX8juGF8QNTamYVgRm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x822986b18ebe903e54b9b56c02f73d778b55633d23da5c47b706dde36eefb7bd. 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/7u4JWiOExiBrWtvo0U8Pkx.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/7u4JWiOExiBrWtvo0U8Pkx.
{"copyright_id":"0xbb7a06b3db624f602968340038e06615e4b88b31b950cd709da615e52680337b","isrc":"DEUM72202841","name":"The Last Shanty - Quarterhead Remix","registered_at":"2026-06-05T08:38:27Z","spotify_id":"4gjgcq3Pr6aLZzxSRkScBX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb7a06b3db624f602968340038e06615e4b88b31b950cd709da615e52680337b. 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/4gjgcq3Pr6aLZzxSRkScBX.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/4gjgcq3Pr6aLZzxSRkScBX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc9897cfdb0a15b9d03bff618846b1ab95dad076ea9047e97c5dae9145312613. 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/303r6bmyBvf5lpaR3CbaLm.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/303r6bmyBvf5lpaR3CbaLm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a097d6132f5e46adbb82506b27cfb054a61abfb46713a1b7731f994e88b6997. 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/1evX3NUBE7QujnSmky2ox4.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/1evX3NUBE7QujnSmky2ox4.
{"copyright_id":"0x19373add9127e59ace3c96e5f80b144f00eab3a04e2cc7586a310311cd031bb1","isrc":"DEUM72117103","name":"Love So Sweet","registered_at":"2026-06-21T16:25:17Z","spotify_id":"7HYhxCIvLGiMKRtG8SOo1B","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19373add9127e59ace3c96e5f80b144f00eab3a04e2cc7586a310311cd031bb1. 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/7HYhxCIvLGiMKRtG8SOo1B.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/7HYhxCIvLGiMKRtG8SOo1B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf14944136876bb6dc2a535d151da2a1e34826e1994395dd87bcc3c5360e0d5b. 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/6kM8TjRMLpzWpC0QX9ZT3z.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/6kM8TjRMLpzWpC0QX9ZT3z.
One More Time (feat. Alida) [Quarterhead Remix]
One More Time (feat. Alida) - Quarterhead Remix
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76a525ea90e9031d17c1848fcd226cdeb7d29ae2aae118ad3f47bee2bce135d7. 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/0lXMcNaciFJJgiL88LniCe.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/0lXMcNaciFJJgiL88LniCe.
Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Robin Schulz Remix]
Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Robin Schulz Remix
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x995ddab015d20251000536a2e58b148d09a954605dc09863be0a314ce478950a. 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/38qZ4vbrNPpG6Fkek0hxle.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/38qZ4vbrNPpG6Fkek0hxle.
Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Acoustic]
Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Acoustic
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd436b4967625149cf09fa863fd4a0c67b2cc6a797d77f17d44d158950be02449. 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/081Mz5osI2wR6qdc5K7nbU.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/081Mz5osI2wR6qdc5K7nbU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c887e300bfe654044f11a9f73a4eaf32ed44a1662dcba3613c8836bb23c1360. 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/5s7haoE3AEkqpjeirAREfj.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/5s7haoE3AEkqpjeirAREfj.
Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Alle Farben Remix]
Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Alle Farben Remix
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3698e9b0e340901b991a9dc2d9c632014d51a5ba1556c473361b4f24a3b2bf26. 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/1uUnUYGWtD4aQI0eVzO5vz.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/1uUnUYGWtD4aQI0eVzO5vz.
Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Alle Farben Extended Remix]
Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Alle Farben Extended Remix
Head Shoulders Knees & Toes (feat. Norma Jean Martine)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24d5523e1ab4cb4930b07254494f46d2d1440377451424da6bff3fe8f1fc1a59. 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/6i7zAdNhzUN2k1HcrBxPHG.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/6i7zAdNhzUN2k1HcrBxPHG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde3fd4fa929ffdaf0484a67514f6a2fb2f5697d2d40287be13882bd07181b699. 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/7E69oKSnlJE1URzBrjWefL.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/7E69oKSnlJE1URzBrjWefL.
I Wanna Thank Me (feat. Niecy Nash) - Quarterhead Remix
I Wanna Thank Me (feat. Niecy Nash) [Remixes]
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64fead4d4bf8ccc235288d77d6256fd576a3fb62d005ca67824ecc22c1af73da. 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/7bqVPZKR4T9FQtBrcZWaLR.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/7bqVPZKR4T9FQtBrcZWaLR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63fc1bf305005ec9830ac2a34792fab6cf6fb35acc8a773df0608fa4ef25e5e4. 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/2YvUhc8ZvPgHCRy1Sfxuah.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/2YvUhc8ZvPgHCRy1Sfxuah.
{"copyright_id":"0x82d07514c6bdbccdcfbc78ab524dbad3d11213dd26b1990ac92b245df1e103f7","isrc":"USWB11801855","name":"Tequila - Quarterhead Remix","registered_at":"2026-06-17T20:56:08Z","spotify_id":"7bGIJm8sKtunnrfUmXpTKD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82d07514c6bdbccdcfbc78ab524dbad3d11213dd26b1990ac92b245df1e103f7. 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/7bGIJm8sKtunnrfUmXpTKD.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/7bGIJm8sKtunnrfUmXpTKD.
{"copyright_id":"0x0449a8b58cf1a26d589a1888e5d696a86a3eb468e46b5a8251d7f1936fe31fe4","isrc":"DEAX11700012","name":"Nothing to Say - Quarterhead Remix","registered_at":"2026-06-26T20:36:46Z","spotify_id":"2ksxH52F21Z0pq5d0YxhBu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0449a8b58cf1a26d589a1888e5d696a86a3eb468e46b5a8251d7f1936fe31fe4. 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/2ksxH52F21Z0pq5d0YxhBu.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/2ksxH52F21Z0pq5d0YxhBu.
{"copyright_id":"0x24d5523e1ab4cb4930b07254494f46d2d1440377451424da6bff3fe8f1fc1a59","isrc":"FRY682000003","name":"Head Shoulders Knees & Toes (feat. Norma Jean Martine)","registered_at":"2026-06-01T18:56:41Z","spotify_id":"7uSvfsv3mOwc4bT5UYKDYw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24d5523e1ab4cb4930b07254494f46d2d1440377451424da6bff3fe8f1fc1a59. 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/7uSvfsv3mOwc4bT5UYKDYw.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/7uSvfsv3mOwc4bT5UYKDYw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x874b56423825ece6ec5e2f2a5291ce59685128b7880519870ca6a0bec90e0f8e. 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/1BwwcsQWbG23Ry2wnmMgbO.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/1BwwcsQWbG23Ry2wnmMgbO.
{"copyright_id":"0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28","isrc":"USUM72106552","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead","registered_at":"2026-06-04T12:11:48Z","spotify_id":"4hZ3E2eYHadmtKHbAaNycZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28. 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/4hZ3E2eYHadmtKHbAaNycZ.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/4hZ3E2eYHadmtKHbAaNycZ.