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 0x073208753a1d76ab6263e39f4e3dcc916945301e769bb2205a0f9bccda08c898. 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/00aa5af7-c17b-4b8f-8f44-64b39f4ab9c8.json and https://artists.proofprofile.net/proofs/artist/00aa5af7-c17b-4b8f-8f44-64b39f4ab9c8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xfcbac6b50c172a8fe49bf59ff3daedc6fd32654a032f6b7f576fe6eb012ebdad","isrc":"QMMEH2300138","name":"Rent Free","registered_at":"2026-06-10T07:09:49Z","spotify_id":"751InILCnZIhwrBvg5SKAW","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 0xfcbac6b50c172a8fe49bf59ff3daedc6fd32654a032f6b7f576fe6eb012ebdad. 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/751InILCnZIhwrBvg5SKAW.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/751InILCnZIhwrBvg5SKAW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73c974234afb5c1368d22377b56ac5753592c49ce9e089927eba4d77a9b9d059. 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/4dkaY74ybKD2a72afxOFRm.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/4dkaY74ybKD2a72afxOFRm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7366eb50f4c9184bc5aefe355708d67eace48f68d7ef339908bba0dfb49d3349. 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/0OsNG7uCcM23PfxOcJqwKx.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/0OsNG7uCcM23PfxOcJqwKx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1393068767f0eae9b5888f7145be7919346641c6272e5d15f8bd769af73333e. 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/7gqTbIEaBmL2I5FGGoMeDj.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/7gqTbIEaBmL2I5FGGoMeDj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd54c0371ab88a0034b50c5618d2e07ef8477b0dca4acd1932bd733d6156f16b4. 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/3WwZbPizrnJqJFx86kNPs1.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/3WwZbPizrnJqJFx86kNPs1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ba797eb7e6d096c0565bb0b8ee6966032ac8e8870965390658c131716ff1d06. 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/4T4L3ZJWITDQpXqGOVNraQ.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/4T4L3ZJWITDQpXqGOVNraQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1c08b2300d259092ade657b036900504912897c3398da7378febf3d6bff4f68. 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/7ytcZJAveILPGewikd9BWS.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/7ytcZJAveILPGewikd9BWS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd2684312b909faca5d54c42b674242673a29d16bf50f970b3e356affce55163. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2z9Jv6BmISYzuf0drbUCuY.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/2z9Jv6BmISYzuf0drbUCuY.
{"copyright_id":"0x7aa1c382d1f0d200a69019a85b7cc5bdc540ae3116e923e81ad4b9e79f7a4c4e","isrc":"QM6MZ2127878","name":"Freaking Out","registered_at":"2026-06-22T08:31:28Z","spotify_id":"7JLVkIw6ymU8nssph4aTkN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aa1c382d1f0d200a69019a85b7cc5bdc540ae3116e923e81ad4b9e79f7a4c4e. 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/7JLVkIw6ymU8nssph4aTkN.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/7JLVkIw6ymU8nssph4aTkN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe49581ec9a1a2163f4c74ee691549f4275ef193f1e9ae2528825d9c294cb9a26. 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/6EDtedu4uprRLprjnFMSSD.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/6EDtedu4uprRLprjnFMSSD.
{"copyright_id":"0xfc48d3ca320a12bb771ffcfc068215d3d2f79b256ad3071611ce94a3c3efebc6","isrc":"QM4TX2108613","name":"Never Wanna Be","registered_at":"2026-06-25T13:19:07Z","spotify_id":"6ARbilTceTkxGkyC6zkeuG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc48d3ca320a12bb771ffcfc068215d3d2f79b256ad3071611ce94a3c3efebc6. 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/6ARbilTceTkxGkyC6zkeuG.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/6ARbilTceTkxGkyC6zkeuG.
{"copyright_id":"0x7083eb577d5ddc32e7c9af0fdd556ac1730c1a0c0e2127ad6b4dfa8b994dbd8b","isrc":"QM4TW2002096","name":"Wedding Dress","registered_at":"2026-06-06T19:12:24Z","spotify_id":"6kdVGnVG5JjbdxuJeoF4j5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7083eb577d5ddc32e7c9af0fdd556ac1730c1a0c0e2127ad6b4dfa8b994dbd8b. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6kdVGnVG5JjbdxuJeoF4j5.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/6kdVGnVG5JjbdxuJeoF4j5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe49581ec9a1a2163f4c74ee691549f4275ef193f1e9ae2528825d9c294cb9a26. 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/5i5UKfnltp5JnYZuTnMIuT.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/5i5UKfnltp5JnYZuTnMIuT.
{"copyright_id":"0xb4b1c227329b0643203aae472831adeaa90e60199e35ba6d6a2017c4be62be9b","isrc":"QMBZ92062179","name":"Good Taste - Acoustic","registered_at":"2026-06-27T15:17:49Z","spotify_id":"7bfcXnt5dNvgYNfz5YMZmy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4b1c227329b0643203aae472831adeaa90e60199e35ba6d6a2017c4be62be9b. 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/7bfcXnt5dNvgYNfz5YMZmy.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/7bfcXnt5dNvgYNfz5YMZmy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd2684312b909faca5d54c42b674242673a29d16bf50f970b3e356affce55163. 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/127BD1zjmo6iCRqZgh3wxR.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/127BD1zjmo6iCRqZgh3wxR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d04744677c84afbe58c5808f83bd8d5f4135fee33eeb889e621999c5b7b6178. 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/4WSqOfETqFTagF4WM7Y578.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/4WSqOfETqFTagF4WM7Y578.
{"copyright_id":"0x80f1c032e7291f20e37f63a62c7e8b1061a7ad6cdd3bff4c655d9ba4571add65","isrc":"QM6MZ2017502","name":"Fast Car","registered_at":"2026-06-24T21:12:41Z","spotify_id":"4R2pVSMa2StMTrtslXbEhG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80f1c032e7291f20e37f63a62c7e8b1061a7ad6cdd3bff4c655d9ba4571add65. 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/4R2pVSMa2StMTrtslXbEhG.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/4R2pVSMa2StMTrtslXbEhG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0220160e82a1c1b15b6674e93c009cf33fa65bb1be11ae235210de1043ea02a. 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/2bZ0K6a5U4fl8tmtyJGDAy.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/2bZ0K6a5U4fl8tmtyJGDAy.
{"copyright_id":"0x2a57c2f82a7756cb501f6e46a0f9e0b5bd0ca28957c533492b7ba538c20e6c16","isrc":"QM4TX2081667","name":"Wedding Dress - Piano Version","registered_at":"2026-06-19T17:12:55Z","spotify_id":"3yToYwV3ay8pCMWMahsIWA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a57c2f82a7756cb501f6e46a0f9e0b5bd0ca28957c533492b7ba538c20e6c16. 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/3yToYwV3ay8pCMWMahsIWA.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/3yToYwV3ay8pCMWMahsIWA.
{"copyright_id":"0x7083eb577d5ddc32e7c9af0fdd556ac1730c1a0c0e2127ad6b4dfa8b994dbd8b","isrc":"QM4TW2002096","name":"Wedding Dress","registered_at":"2026-06-06T19:12:24Z","spotify_id":"2Jy50uaAgvyyrVOQsUv3rJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7083eb577d5ddc32e7c9af0fdd556ac1730c1a0c0e2127ad6b4dfa8b994dbd8b. 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/2Jy50uaAgvyyrVOQsUv3rJ.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/2Jy50uaAgvyyrVOQsUv3rJ.
{"copyright_id":"0x98891673551a5c99db8fac2caf52cfde70ff3d28d5de2e74e7a6238ad2a3c050","isrc":"QMBZ91923538","name":"Cowboy Take Me Away","registered_at":"2026-06-18T20:43:05Z","spotify_id":"45LGWTiIF95nRdmOQ9P2Uv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98891673551a5c99db8fac2caf52cfde70ff3d28d5de2e74e7a6238ad2a3c050. 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/45LGWTiIF95nRdmOQ9P2Uv.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/45LGWTiIF95nRdmOQ9P2Uv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f7e8d8e4f52d92a1ddd9ee259b2c1d0818f533d22bfa5054120392ba927c0ee. 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/2R4XnAFX66OTlH5fV0GnxN.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/2R4XnAFX66OTlH5fV0GnxN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8b2def29c8c7bbf2a5d1fa8cad923ff427b4803e07098e17cf52074e57984ef. 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/70wrAiOk02QjZ2pQX3SLKk.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/70wrAiOk02QjZ2pQX3SLKk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95c7f9d907670cc445c8bca73168c5533a32b1dbb554274c791b212ec0930632. 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/1jgD0qqYoZJX6ajbejN9sg.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/1jgD0qqYoZJX6ajbejN9sg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4da7329ecb040f2945593f1ec2540278cabdadbdf4ffe89180d7292b91778ba. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3a88Mcj9YdZOZreskXS5Q9.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/3a88Mcj9YdZOZreskXS5Q9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1baf37f6099f4174333317a1cde9e1080dffb371484f1cb4d38e3ce2a78652f9. 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/19QdvCPbLurBp8xDsdCh5O.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/19QdvCPbLurBp8xDsdCh5O.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5d3bc09fc8dbf38d149fe111fdba2570ce256d8ee94dbbf2fc17ff2f0c5a805. 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/56ukonUvIPo36jIAFWKsKL.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/56ukonUvIPo36jIAFWKsKL.
{"copyright_id":"0xba266570dc84eddd9c8deb616f623c5c9cec226fd01b12ba740bca3fdb69f56f","isrc":"QM88S1801006","name":"Songs We Sang","registered_at":"2026-06-08T14:25:40Z","spotify_id":"4BLMqFvzKKBYzMLx7CyTGh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba266570dc84eddd9c8deb616f623c5c9cec226fd01b12ba740bca3fdb69f56f. 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/4BLMqFvzKKBYzMLx7CyTGh.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/4BLMqFvzKKBYzMLx7CyTGh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc18a07252777bae4b3749dc1492a5618e68b93c763a1b38228f1de3d57f119aa. 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/1JrvWQDeMfk1EvbxYKTjRI.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/1JrvWQDeMfk1EvbxYKTjRI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4da7329ecb040f2945593f1ec2540278cabdadbdf4ffe89180d7292b91778ba. 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/392xGZGwgHLVomBXgrE07u.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/392xGZGwgHLVomBXgrE07u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6098099bb171fbc4142854c0047c457f2489d0486257868f9334d7389c0bc16. 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/37JMIp23a4GECEILMWFsWt.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/37JMIp23a4GECEILMWFsWt.
{"copyright_id":"0xba266570dc84eddd9c8deb616f623c5c9cec226fd01b12ba740bca3fdb69f56f","isrc":"QM88S1801006","name":"Songs We Sang","registered_at":"2026-06-08T14:25:40Z","spotify_id":"48jHk4Pkkc5PY7rGdJw66z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba266570dc84eddd9c8deb616f623c5c9cec226fd01b12ba740bca3fdb69f56f. 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/48jHk4Pkkc5PY7rGdJw66z.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/48jHk4Pkkc5PY7rGdJw66z.
{"copyright_id":"0x043d3862faac3f9bdf44a69d249d7c2a874bd0a773dbcfb759b1f97491f10206","isrc":"QM88S1701002","name":"Love Heals (with Alison Krauss)","registered_at":"2026-06-10T21:42:34Z","spotify_id":"2YyM7BCm4U0xDSy3WLHUY7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x043d3862faac3f9bdf44a69d249d7c2a874bd0a773dbcfb759b1f97491f10206. 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/2YyM7BCm4U0xDSy3WLHUY7.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/2YyM7BCm4U0xDSy3WLHUY7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2775dc7757f2d063ae43c682d16b1b7b5eb1a1f3b4a702aa35112f38419334c8. 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/7LhEHJQmcjWMRXM1HoSr46.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/7LhEHJQmcjWMRXM1HoSr46.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3812f5b3d2869e40e187ccf697245b9803762db05ae905df304c952f601023de. 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/39DvivKXIbyqUzTqaku3fT.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/39DvivKXIbyqUzTqaku3fT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3ae14877ab77516e243a4a65109d1aaec97ac4643142fe2742558075683de7b. 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/22cdtxLx32qR42L3QnjGOU.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/22cdtxLx32qR42L3QnjGOU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26a201c246041cdc87199386f1c5395651224692c75fa9f72b48e290d7f4750b. 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/7hdRLpI5YVX5EuubRZ2dbg.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/7hdRLpI5YVX5EuubRZ2dbg.
{"copyright_id":"0x72c69ae417aacc7361b0918ca18dfaaca9c8798ce418ef590209fa334ee05618","isrc":"USLXJ1610003","name":"Love You Hate You Miss You","registered_at":"2026-06-19T06:18:29Z","spotify_id":"46xKSkJokrcXacpBDgClCj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72c69ae417aacc7361b0918ca18dfaaca9c8798ce418ef590209fa334ee05618. 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/46xKSkJokrcXacpBDgClCj.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/46xKSkJokrcXacpBDgClCj.
{"copyright_id":"0xe463b3d100bb253fb2e70aff8a95d69b13428e5c391daa0a7f7e9a5dc41649ac","isrc":"USLXJ1610005","name":"Window Down Days","registered_at":"2026-06-25T13:19:25Z","spotify_id":"5gjObukE3n1Ib8gCzdDMr6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe463b3d100bb253fb2e70aff8a95d69b13428e5c391daa0a7f7e9a5dc41649ac. 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/5gjObukE3n1Ib8gCzdDMr6.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/5gjObukE3n1Ib8gCzdDMr6.
{"copyright_id":"0x2adc63e8cb03083fc00f845303d8f7e7fbea8ff1432dafd070ec0ff9547c4b8c","isrc":"SGB502391270","name":"Rock Bottom","registered_at":"2026-06-17T08:55:13Z","spotify_id":"0RfS3AT19qZVdrCDMx78MF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2adc63e8cb03083fc00f845303d8f7e7fbea8ff1432dafd070ec0ff9547c4b8c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0RfS3AT19qZVdrCDMx78MF.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/0RfS3AT19qZVdrCDMx78MF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f14b1ac8e3611bc4faa126b6036e07b8755b8865bfb58e33b5b4cdbd2f6b064. 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/36alk5uZ4S3OeIEnanQzXx.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/36alk5uZ4S3OeIEnanQzXx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5007c01869266bea12fe2bd356e1a7aa9337b2ada30bf572ae54c2580ee0d06. 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/7dlEzdEOdXvH7rKF3vyF0M.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/7dlEzdEOdXvH7rKF3vyF0M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6ac3f493d7b0d1f122ee7299d62368f91f005425a2ede7d1f0346d6c6c411be. 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/0ZGd1nqL7Ttps0djp7HIh5.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/0ZGd1nqL7Ttps0djp7HIh5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x192abd2deacd1cf58f95f01163940fca6e946c00a9127434e9b908805cd995e1. 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/2Id9SMAKKqUg30F9CZV8zP.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/2Id9SMAKKqUg30F9CZV8zP.
{"copyright_id":"0x2adc63e8cb03083fc00f845303d8f7e7fbea8ff1432dafd070ec0ff9547c4b8c","isrc":"SGB502391270","name":"Rock Bottom","registered_at":"2026-06-17T08:55:13Z","spotify_id":"0sgs99F8XAxJi8bZctEtSb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2adc63e8cb03083fc00f845303d8f7e7fbea8ff1432dafd070ec0ff9547c4b8c. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:45:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0sgs99F8XAxJi8bZctEtSb.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/0sgs99F8XAxJi8bZctEtSb.
{"copyright_id":"0x8174320a12862e3d1e4f435ef1ed7d09dbe65468d1269c4eb74cea3de667f6ba","isrc":"AEA3A2301024","name":"Make It Love - feat. Amy Stroup","registered_at":"2026-06-07T14:25:13Z","spotify_id":"4zvTjinkaTwltqUFeyKQTY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8174320a12862e3d1e4f435ef1ed7d09dbe65468d1269c4eb74cea3de667f6ba. 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/4zvTjinkaTwltqUFeyKQTY.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/4zvTjinkaTwltqUFeyKQTY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8474cbb3b6a2268396b5356be458257458e40dea8a69665d70568bb03a410ab6. 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/6LrrPga3Kh628U0B63scSP.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/6LrrPga3Kh628U0B63scSP.
{"copyright_id":"0x3c506f724855ea25546a9ad93aae3424ad4fbf3d1a3394c9a96fb595ae5daada","isrc":"USA2P2464145","name":"All My Fault","registered_at":"2026-06-04T14:31:46Z","spotify_id":"05wYa38uXNOCmriGcqCH3e","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c506f724855ea25546a9ad93aae3424ad4fbf3d1a3394c9a96fb595ae5daada. 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/05wYa38uXNOCmriGcqCH3e.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/05wYa38uXNOCmriGcqCH3e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e2aef209c09a904af3331b51463a406bdb5f7b8f187665f89b31b3ed664931b. 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/0hQtdx7xEUbyBcexICjgWH.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/0hQtdx7xEUbyBcexICjgWH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef492d216b82c4c8e910cb13516af0ff0597e000b8c8fccc66838a36ac950010. 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/1G8k0RPIb8dmgM06lmugiK.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/1G8k0RPIb8dmgM06lmugiK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5007c01869266bea12fe2bd356e1a7aa9337b2ada30bf572ae54c2580ee0d06. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1OTRKU7qOTZSE8ZvaKXk4i.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/1OTRKU7qOTZSE8ZvaKXk4i.