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 0x96e8d40060b43ce524f759379beb4775ea1ee74f8958982782cd3e1a0a3c2e8f. 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/f3195069-0c1e-40db-9c51-70574871fed9.json and https://artists.proofprofile.net/proofs/artist/f3195069-0c1e-40db-9c51-70574871fed9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x70ce9a714dc580799e15b58626620bf328e7fd1094746fb8e2e093f907b77233. 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/1qUQ2jOaXHxXCqeKdhn5xF.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/1qUQ2jOaXHxXCqeKdhn5xF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f9d956f18ae1b394189e2fe48eda17ccf0c9457a2cca8aa394e6176ada13451. 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/5A8F5KZt7ddDlgTowecXNV.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/5A8F5KZt7ddDlgTowecXNV.
{"copyright_id":"0x4271d6ae05beee8c5f4b006c082d0afecafb1388d48636abbaa0d061f9d5ea92","isrc":"FRZ052000574","name":"Nuit B","registered_at":"2026-06-20T16:33:38Z","spotify_id":"67CLf9weOewrSwtmc41rcu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4271d6ae05beee8c5f4b006c082d0afecafb1388d48636abbaa0d061f9d5ea92. 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/67CLf9weOewrSwtmc41rcu.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/67CLf9weOewrSwtmc41rcu.
{"copyright_id":"0x2f21fe6a557ff6641ccc6897d1994abd61c77ea32c155acf79c265cfacf7897b","isrc":"FRZ052000567","name":"Bye Bye Baby","registered_at":"2026-06-12T00:21:49Z","spotify_id":"0xMUOnNlCg7XeHPBGj40cB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f21fe6a557ff6641ccc6897d1994abd61c77ea32c155acf79c265cfacf7897b. 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/0xMUOnNlCg7XeHPBGj40cB.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/0xMUOnNlCg7XeHPBGj40cB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc21052f5a40a1e012585037013c8d686fca69ceedd5718a4700c869e1014a40b. 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/4ZGXM63RGxvhawISJckFfO.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/4ZGXM63RGxvhawISJckFfO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd74813009d1fd1c30b7abc2c3ce70545beef05c3af4dde1bd6bc164b65b9bc6. 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/1GUPf94ZVVz7w25csxvtO5.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/1GUPf94ZVVz7w25csxvtO5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec83161cfd947b3adfadabf3f8b75d91eb5a8b2babc00c70ae41c71ed6a7755a. 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/19JAyVjy42RbyudozVbEF2.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/19JAyVjy42RbyudozVbEF2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69a929424555cdecdedfea6f845bb8d857cc6bafeeda4b91ccea587f44934f5d. 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/4O4sDuGGedGbW2nUYgLXnG.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/4O4sDuGGedGbW2nUYgLXnG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x577575efd3291830187ac1500b6ae0892ee8701220e822503af6de6215ec0141. 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/5L3Ip4gvNSuWv428qXkbNe.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/5L3Ip4gvNSuWv428qXkbNe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54e37344dbbe116e43dfe888bccf030c71033f611a532a022f5251c16975595f. 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/2V3uenjAjUFN2BnzkjlKMD.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/2V3uenjAjUFN2BnzkjlKMD.
{"copyright_id":"0xfddbab38582eb483907736e78a10f1ca1b1ec0233872126c5793ac1c41cab507","isrc":"FRZ052200356","name":"Je n'veux pas rester sage","registered_at":"2026-06-11T23:05:55Z","spotify_id":"0LiOtSfz05mF3hJrNeLtuH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfddbab38582eb483907736e78a10f1ca1b1ec0233872126c5793ac1c41cab507. 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/0LiOtSfz05mF3hJrNeLtuH.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/0LiOtSfz05mF3hJrNeLtuH.
{"copyright_id":"0x58842db1c641311b2d6b53572c692b8da4fed4168459aaac36ebb791f0042056","isrc":"FRZ052200249","name":"Crush (feat. Anaïs Demoustier)","registered_at":"2026-06-07T23:41:05Z","spotify_id":"3jHeHzz5MSmBhUuhaS6H7g","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58842db1c641311b2d6b53572c692b8da4fed4168459aaac36ebb791f0042056. 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/3jHeHzz5MSmBhUuhaS6H7g.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/3jHeHzz5MSmBhUuhaS6H7g.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69c68144d79cf668adf7276ab9e1f5d743103b6666ca7eb4365b5619e8405406. 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/1laUyLTSysXaTH4133LKXw.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/1laUyLTSysXaTH4133LKXw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1125cdd96b051888ffaac8ac44c117cd423eaf704229ae1cad0c8f20770c4e3. 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/1pupMzhsAzMaFuekIMuVln.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/1pupMzhsAzMaFuekIMuVln.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f6aed376ffaaceaf4d7d257ea1e3e13f92274305e3bf97e266182e997bea0c9. 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/5mE2rLpnsnQrpdd7RUgfBd.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/5mE2rLpnsnQrpdd7RUgfBd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x721fb53faebfdc419f9026d554f1653ebc67915b88f4a479c06d0d5c6dfc5d85. 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/58e7V70Em6FABOiln4jNoZ.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/58e7V70Em6FABOiln4jNoZ.
{"copyright_id":"0xf380cd9d0e2e6cfdb87624ae084cf69d6c88ff240e53c6955a6b7f5155d57b6b","isrc":"FRZ051800509","name":"Soleil blanc","registered_at":"2026-06-09T23:01:37Z","spotify_id":"6JMc2NoZXtatXapjrvksML","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf380cd9d0e2e6cfdb87624ae084cf69d6c88ff240e53c6955a6b7f5155d57b6b. 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/6JMc2NoZXtatXapjrvksML.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/6JMc2NoZXtatXapjrvksML.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf09935181e874e7b3964f204e38af8d22b79004cb0f1f59381fc99abea9b100f. 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/0LROIdo41EIwKnKEHkR76y.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/0LROIdo41EIwKnKEHkR76y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1671677c2eaadb6af69eee92fe4de601abe98711fccc1341429ce431a6af0e7. 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/1P3oq1AiJjjvjNzhQeB5FZ.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/1P3oq1AiJjjvjNzhQeB5FZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb666c74000e611c027586294be9e6cf93f145aebaa4b35073852341f3de373ca. 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/1yI4giDKWCDd3e6drqpa5r.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/1yI4giDKWCDd3e6drqpa5r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06429c84a98a6e24510e8aa228ca3bbea72b55d4d45662d266f63749cc84a1ca. 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/4j7xDDchzShYjW0prFf2tf.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/4j7xDDchzShYjW0prFf2tf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6539d448be9e568e7af9525e596e1f92d03c6724aa594b9fe050cc1b0bdedc6. 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/5An9i5bNo7m6b3B16o6kKj.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/5An9i5bNo7m6b3B16o6kKj.
{"copyright_id":"0x68e832e3ce8f27b9841bc64482ec817af2c80146e5e5ba4d63e7f08d0f6e42bc","isrc":"FRZ051800659","name":"Le grand voyage","registered_at":"2026-06-19T00:53:07Z","spotify_id":"1bZoWIHzCY39vVU7ryYrum","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68e832e3ce8f27b9841bc64482ec817af2c80146e5e5ba4d63e7f08d0f6e42bc. 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/1bZoWIHzCY39vVU7ryYrum.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/1bZoWIHzCY39vVU7ryYrum.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaabed0b9228c74e226c1a8e3e411ad6cb7aa2c0d65515defc34d617f9fd4bc63. 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/3Bwpdquf94ala5SiMtylkt.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/3Bwpdquf94ala5SiMtylkt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a832c80d0230c1feb5e539c0252994d8a6d73d1f76ebfde6805418612278f3f. 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/47zYd1NuXn5JGNEVJqel7q.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/47zYd1NuXn5JGNEVJqel7q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a33622555d348517a82ee933860c74ee7f343588046ffa247cc4db3e6ecd784. 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/2L9tyXZdphjAAOitQrjIp3.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/2L9tyXZdphjAAOitQrjIp3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80a52fbc133e562e0a3757e187d9d99594c3d56d18a499956a67a32dc17ee2f0. 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/79pYIIwxqOH75zH0Fb53AI.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/79pYIIwxqOH75zH0Fb53AI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb2f1d5a567664f939e5c82e87a29395dd7cdc1f8740ed2f7f23fe65111b3290. 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/33l2iOzzU4EUPRmRicLZq4.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/33l2iOzzU4EUPRmRicLZq4.
{"copyright_id":"0x9433ce996cecc897ba22210dcdb05d8b9f885e28cc24cfbf0956a6a7b91ccbb6","isrc":"FR1Z41600174","name":"Le chagrin","registered_at":"2026-06-10T01:30:41Z","spotify_id":"6RSiUUOri2XRp8gzhsB74T","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9433ce996cecc897ba22210dcdb05d8b9f885e28cc24cfbf0956a6a7b91ccbb6. 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/6RSiUUOri2XRp8gzhsB74T.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/6RSiUUOri2XRp8gzhsB74T.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a6b51c8b33cae3b8e7e03da53162f40957f737ea736692f53ac4da9b42bdd8d. 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/5nxpnKmaSslL5BZXpNCF2j.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/5nxpnKmaSslL5BZXpNCF2j.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75c826b8c608b928abbaad7b023bf1d251fbedde8c8f667ce2023f3e3bfe927f. 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/7MaePWtYDDlE0zHBIctxDO.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/7MaePWtYDDlE0zHBIctxDO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb503c01de082a0175a2e6837d61682b8e87a8a51de69cb01cf27ef5d4d44037f. 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/2TAnxg2xZoqIyZ5AnwlHNB.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/2TAnxg2xZoqIyZ5AnwlHNB.
{"copyright_id":"0x58842db1c641311b2d6b53572c692b8da4fed4168459aaac36ebb791f0042056","isrc":"FRZ052200249","name":"Crush (feat. Anaïs Demoustier)","registered_at":"2026-06-07T23:41:05Z","spotify_id":"3dDwRbHzCvT2ToXjv8jkfQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58842db1c641311b2d6b53572c692b8da4fed4168459aaac36ebb791f0042056. 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/3dDwRbHzCvT2ToXjv8jkfQ.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/3dDwRbHzCvT2ToXjv8jkfQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69c68144d79cf668adf7276ab9e1f5d743103b6666ca7eb4365b5619e8405406. 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/7A7QkbFVtc37eLCfXfJ2rI.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/7A7QkbFVtc37eLCfXfJ2rI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f9d956f18ae1b394189e2fe48eda17ccf0c9457a2cca8aa394e6176ada13451. 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/7CT8LvPzIRIGbbILB3H55N.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/7CT8LvPzIRIGbbILB3H55N.
{"copyright_id":"0x721fb53faebfdc419f9026d554f1653ebc67915b88f4a479c06d0d5c6dfc5d85","isrc":"FRZ051800138","name":"Mauvais présage","registered_at":"2026-06-05T14:46:22Z","spotify_id":"7jVASZ7vLsZYOpoFJbqMrZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x721fb53faebfdc419f9026d554f1653ebc67915b88f4a479c06d0d5c6dfc5d85. 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/7jVASZ7vLsZYOpoFJbqMrZ.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/7jVASZ7vLsZYOpoFJbqMrZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4a0359de15dd672f4c23da11693745f8b48931cd4899ad673ac7395beacf9ab. 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/5wbmzkFigXp4FgHqZRECu4.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/5wbmzkFigXp4FgHqZRECu4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddc137a899e72a1fb16c6dbc93b39de092faa2105216cabd8222fc65b4c2b606. 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/4KM7UUcATQYNzPY0W7Bk8t.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/4KM7UUcATQYNzPY0W7Bk8t.
La chanson française, au calme (Une certaine approche de la variété)
Les pieds dans la merde, la tête dans les étoiles
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a33622555d348517a82ee933860c74ee7f343588046ffa247cc4db3e6ecd784. 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/2Xt8rjMZIGAz0Uu1qMcCc6.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/2Xt8rjMZIGAz0Uu1qMcCc6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cd68bb69eb270f5d2fafb29fa1148f7f61424a731b6078b85cf0dc3197f7140. 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/3muOBzz2ZHVY3iXN4bH9d2.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/3muOBzz2ZHVY3iXN4bH9d2.
The Stars Keep Falling Down - Demo Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x983752ce250ccb3977a7b97fc4c1d96946d29a571df87815cd73bda4eb5d456d. 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/1QEN3ujV5VZUBMv1WDnCAA.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/1QEN3ujV5VZUBMv1WDnCAA.