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 0x91ea521cdb08b86a0c4d006431d6d31d3e535b7c26dc14f7d889d34434b4dd55. 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/49ec74e8-4257-42d1-8906-77ff1bed0c73.json and https://artists.proofprofile.net/proofs/artist/49ec74e8-4257-42d1-8906-77ff1bed0c73.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 0x3922fc75aee45a8b849a7837275150e043fc25db3e297c3980042b4fa3af8c21. 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/2HbVINmehEbPmjlcueXEJJ.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/2HbVINmehEbPmjlcueXEJJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x753b3396694c16571bd052111c411caf6f7c875b901105c45e4d66e2f1e3f919. 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/1sn6iOK93jnp0Hn5BnNOXy.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/1sn6iOK93jnp0Hn5BnNOXy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67fc419e11292b7f878b480f802293712522faf3578c54737d191f7c64f527b0. 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/07q6QTQXyPRCf7GbLakRPr.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/07q6QTQXyPRCf7GbLakRPr.
{"copyright_id":"0x4e6aa15b9b6398e710f78ca19789fbc9129cca3cf94f301b0bc2d63fa4f9bd6a","isrc":"USRW30700007","name":"The Pretender","registered_at":"2026-06-01T03:36:18Z","spotify_id":"6HNruFQlzQx4ulL4ppRLYI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e6aa15b9b6398e710f78ca19789fbc9129cca3cf94f301b0bc2d63fa4f9bd6a. 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/6HNruFQlzQx4ulL4ppRLYI.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/6HNruFQlzQx4ulL4ppRLYI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62948f401252d2999866b858a6dcca875cf0b341dd0ddf3c440efa2b9b8b92c8. 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/7u5dBtASrtOuBTTZjJrvuJ.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/7u5dBtASrtOuBTTZjJrvuJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc208f273d010fbc6c6353e0d53fbe36c7523163b5735298113b6b7e188e77521. 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/0mWiuXuLAJ3Brin3Or2x6v.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/0mWiuXuLAJ3Brin3Or2x6v.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x831cf119bf6c1e0d7e35f7274cc209f4974c663cb7a4b8d0a703545ec4715287. 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/4xanWVQIzdCf51mg8cd1cQ.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/4xanWVQIzdCf51mg8cd1cQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb73bcbc302da42152f5f254ae013137409591e303f45f7d85c2fd80db4b6b70. 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/43TxY9bYSyZ4QRPA0UJddL.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/43TxY9bYSyZ4QRPA0UJddL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13e62458b3d8557f4b0195f98289dd263c11d6208bdcb2128c1247b362f8ed38. 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/04Jk0uP8SbDHLyAKfRctNQ.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/04Jk0uP8SbDHLyAKfRctNQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ea01a40d5e1b6264a9163a612699dcb0110f04c67518f205d3cbfe5f8d682a4. 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/3Y8X0tMSEKZt7rOHDwCrtt.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/3Y8X0tMSEKZt7rOHDwCrtt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43a3752304812512cf08cf50d67abaef00305fe2d8402227a3b3d826f1d5ef5c. 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/4Hv5jUXVQveCj36wN6dPmD.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/4Hv5jUXVQveCj36wN6dPmD.
{"copyright_id":"0xcc5717589bc0fb9bda35b9ca5bd5a6c7e8ee8ea5709c8d119e288f45e90893d0","isrc":"USRW29500014","name":"This Is a Call","registered_at":"2026-06-04T15:55:46Z","spotify_id":"1KZVbkPnQYwaN5OeAHGa4P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc5717589bc0fb9bda35b9ca5bd5a6c7e8ee8ea5709c8d119e288f45e90893d0. 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/1KZVbkPnQYwaN5OeAHGa4P.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/1KZVbkPnQYwaN5OeAHGa4P.
Skin And Bones - Live at the Pantages Theatre, Los Angeles, CA - August 2006
{"copyright_id":"0x66974cac5ccfdcf4298a17f3c43dce8d644f956b225128c5886634670932ed7a","isrc":"USRW30600044","name":"Skin And Bones - Live at the Pantages Theatre, Los Angeles, CA - August 2006","registered_at":"2026-06-05T04:44:00Z","spotify_id":"1eoQNKgUm4dX9nk0876FsL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66974cac5ccfdcf4298a17f3c43dce8d644f956b225128c5886634670932ed7a. 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/1eoQNKgUm4dX9nk0876FsL.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/1eoQNKgUm4dX9nk0876FsL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x215c76f7899964b28e83e1c58b11d9dad4b061ccf57029fbc8b9afe23a3bc1cd. 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/3KsatAMRt1a7iryhWt5I8U.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/3KsatAMRt1a7iryhWt5I8U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58964d658e152059260f0ee7d368a7f536dfb4c2354e9b214cc6d07b9410a48f. 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/74QDbj3qdHQhofu01RyFtT.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/74QDbj3qdHQhofu01RyFtT.
{"copyright_id":"0xaa95ceb3be71138aba368f4030c40b8c7452c34dbf5106e2efb9076232a73308","isrc":"USRW30900002","name":"Everlong - Acoustic Version","registered_at":"2026-06-01T07:22:21Z","spotify_id":"3QmesrvdbPjwf7i40nht1D","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa95ceb3be71138aba368f4030c40b8c7452c34dbf5106e2efb9076232a73308. 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/3QmesrvdbPjwf7i40nht1D.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/3QmesrvdbPjwf7i40nht1D.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb459b0f539ee41c8a8c8bbdffb97da6e91bfa02656da4315f77535029ce8c63. 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/2KvhVhBR7MIMZUQNRBiY2k.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/2KvhVhBR7MIMZUQNRBiY2k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb73bcbc302da42152f5f254ae013137409591e303f45f7d85c2fd80db4b6b70. 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/44wXefe8WB9Fd6xwtmAwbR.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/44wXefe8WB9Fd6xwtmAwbR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e4e8529538aa6c2e1c270a794b0ed51b0a030baed92719564b18861f134782b. 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/0M5xRyxGpFFDfzN2x0wdpH.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/0M5xRyxGpFFDfzN2x0wdpH.
{"copyright_id":"0xb8ec16bae52614f8cc9a52888fd5f4e71f1fb6082171e60a95cf4c5bdf70af2f","isrc":"USRW29600004","name":"My Poor Brain","registered_at":"2026-06-04T11:19:27Z","spotify_id":"3yIUusX4NApzRSAkxZFrJg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8ec16bae52614f8cc9a52888fd5f4e71f1fb6082171e60a95cf4c5bdf70af2f. 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/3yIUusX4NApzRSAkxZFrJg.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/3yIUusX4NApzRSAkxZFrJg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x874e8b998ba538480066180e42686871e77d5d6add842b173d053919dbc59863. 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/56ucsSaTrjiQaokbbDASOR.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/56ucsSaTrjiQaokbbDASOR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x840250f4c6299c94ee57e3a80f5538d661bb097488ee24f2ffa4a868df01d47b. 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/05TcC5ZN9rp8Glx8A9C2Nd.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/05TcC5ZN9rp8Glx8A9C2Nd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62948f401252d2999866b858a6dcca875cf0b341dd0ddf3c440efa2b9b8b92c8. 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/4dVbhS6OiYvFikshyaQaCN.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/4dVbhS6OiYvFikshyaQaCN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a5a1b80713c4a3e92b87e43a5896ed94decc80b9aae3a777ffa7d86c9432c84. 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/48PrL49eJ5P15yTxjK0oW6.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/48PrL49eJ5P15yTxjK0oW6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b0c732e4f695747dae5398b3869bc31f3d4b061696b1248b519e6f60af85144. 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/4JWRyetq4ALHAXm9ByOOEg.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/4JWRyetq4ALHAXm9ByOOEg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaf3c472839fa4c4f735a39d81f8ae16e417121c409c96684ce34b85c2bfd593. 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/2ceA7CWWx6yIHdzppN8nLF.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/2ceA7CWWx6yIHdzppN8nLF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67fc419e11292b7f878b480f802293712522faf3578c54737d191f7c64f527b0. 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/5UWwZ5lm5PKu6eKsHAGxOk.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/5UWwZ5lm5PKu6eKsHAGxOk.
{"copyright_id":"0xe5751878196dab5af6eec399b52743ca06c0e663cbc6db6188906e1eceae82b7","isrc":"USRW29600012","name":"Walking After You","registered_at":"2026-06-04T06:55:03Z","spotify_id":"7pS2OVdIWviLpz5GOtJLzz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5751878196dab5af6eec399b52743ca06c0e663cbc6db6188906e1eceae82b7. 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/7pS2OVdIWviLpz5GOtJLzz.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/7pS2OVdIWviLpz5GOtJLzz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e3e171ec40d267f6774e1c089a6c84816d9d77c67b21073ac9c69f5c81e6d0a. 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/44yHNmayqe7dI9fHjAYPCl.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/44yHNmayqe7dI9fHjAYPCl.
{"copyright_id":"0xecd24ee010cc3afc623b4d101ee6c5eef5cc4773bc2c80a479d3d554ecddf015","isrc":"USRW30700004","name":"The Colour And The Shape","registered_at":"2026-06-04T15:16:11Z","spotify_id":"4ZnD7qmpP3NWA1ctUzeUIw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecd24ee010cc3afc623b4d101ee6c5eef5cc4773bc2c80a479d3d554ecddf015. 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/4ZnD7qmpP3NWA1ctUzeUIw.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/4ZnD7qmpP3NWA1ctUzeUIw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78463cc50bf6011374139aae0caabcd3f5b7278560659db84603880c5f21f1bb. 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/592nTDJAy8AucV4KKIDCmA.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/592nTDJAy8AucV4KKIDCmA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32164a24f0c6ad894ba668f6ca197dac8318d0fb12118cf4cefd79d9cc9c70bf. 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/0bHD1nLe7Nhw55ZGJ92332.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/0bHD1nLe7Nhw55ZGJ92332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa66b2ec9341e99b25450f72eb6ed348dba73b7b3abace21e695b8a36d9475a5d. 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/7v0mtl6oInUtHOmTk2b0gC.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/7v0mtl6oInUtHOmTk2b0gC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e6f649338893d57e5ca173f82232126dd115f44ed557a1b2abc8dd2770103b2. 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/6HeFCUg1F1v0bnE3JFTlxz.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/6HeFCUg1F1v0bnE3JFTlxz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x000bf82e505b7bea3abc784f024aac0aa9304160e0a0d234599178dffb9d80ac. 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/57dem1V7wz8owejklpELCh.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/57dem1V7wz8owejklpELCh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfbce94e8de6cd4c3b0d353526716bcbd970093b09d13fc79936f25ddd904093. 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/5TOYgNohZAFEPOtnchPhZS.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/5TOYgNohZAFEPOtnchPhZS.
{"copyright_id":"0xe9c2442a719e7cbd17d5213066eaa4166afdda447ee6f6abf70f053393a7c54d","isrc":"USRW31100008","name":"These Days","registered_at":"2026-06-01T13:12:24Z","spotify_id":"2kN05N1AQQplsgFweFAqYb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9c2442a719e7cbd17d5213066eaa4166afdda447ee6f6abf70f053393a7c54d. 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/2kN05N1AQQplsgFweFAqYb.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/2kN05N1AQQplsgFweFAqYb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba24f994345d96059edb5369c0251cab54a806dc9574a8d4cf420b31a6c6824e. 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/0xMgRt36DpWa7QKNYZy0e4.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/0xMgRt36DpWa7QKNYZy0e4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef9f6f66ac0b110b3b0dcdb11424803d6ea0d593286ec24815bc683b23482ee9. 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/46GHi1UJz1yEumZcMkbJN9.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/46GHi1UJz1yEumZcMkbJN9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51e1a9c5a671ddaa049d5ce98b09a3e95f4c000cfd087c466f8be5594168b69c. 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/042RaY48TNY9aesv8fqYTf.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/042RaY48TNY9aesv8fqYTf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f3c43560a1b713c9d93e8e572a3a04e25847b44636fcbafd8e0182dccf16ba7. 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/76Je5Wklky23mVoxiRszcN.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/76Je5Wklky23mVoxiRszcN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb74ff248a7ba3eac8dff262bbda2f824889fe1c73558453a9c854799db65bec7. 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/5XUpAb2zC8G404RPkwb09H.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/5XUpAb2zC8G404RPkwb09H.
{"copyright_id":"0x4e6aa15b9b6398e710f78ca19789fbc9129cca3cf94f301b0bc2d63fa4f9bd6a","isrc":"USRW30700007","name":"The Pretender","registered_at":"2026-06-01T03:36:18Z","spotify_id":"7x8dCjCr0x6x2lXKujYD34","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e6aa15b9b6398e710f78ca19789fbc9129cca3cf94f301b0bc2d63fa4f9bd6a. 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/7x8dCjCr0x6x2lXKujYD34.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/7x8dCjCr0x6x2lXKujYD34.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x831cf119bf6c1e0d7e35f7274cc209f4974c663cb7a4b8d0a703545ec4715287. 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/67vYdAAM3oGsEImCRfbtsF.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/67vYdAAM3oGsEImCRfbtsF.