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 0xe05752f87d917c5ef6ab2f5c0f5212405cf08d32126f83b26b58587ed641201d. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a0494de4-db75-4905-a371-aa30e7a84b5b.json and https://artists.proofprofile.net/proofs/artist/a0494de4-db75-4905-a371-aa30e7a84b5b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x27d7e4c69f7a364e49b21671aaf349c4c5f12cf0bcd83584c5c2a58bda6d91d2","isrc":"TCAGT2311594","name":"Autumn Leaves","registered_at":"2026-06-24T00:17:17Z","spotify_id":"4Nzt4azPd216Ui5TDKChWj","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 0x27d7e4c69f7a364e49b21671aaf349c4c5f12cf0bcd83584c5c2a58bda6d91d2. 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/4Nzt4azPd216Ui5TDKChWj.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/4Nzt4azPd216Ui5TDKChWj.
{"copyright_id":"0xcf0cf533a8359579c096bb2a424ee80dfec5807923b254762fcbad1c922f5b1b","isrc":"TCAGT2311608","name":"Shiny Stockings","registered_at":"2026-06-19T22:31:21Z","spotify_id":"6Rbq1YvKTtYtRfSFlQ6yag","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf0cf533a8359579c096bb2a424ee80dfec5807923b254762fcbad1c922f5b1b. 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/6Rbq1YvKTtYtRfSFlQ6yag.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/6Rbq1YvKTtYtRfSFlQ6yag.
{"copyright_id":"0x05d38fbe40e6afa73f29c2e588b2af04fad88ed7eb9b401ff359c2438227c774","isrc":"TCAGT2311616","name":"Falling in Love With You","registered_at":"2026-06-28T02:15:44Z","spotify_id":"4SaO0wQe7Vo455DnvJPsEf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05d38fbe40e6afa73f29c2e588b2af04fad88ed7eb9b401ff359c2438227c774. 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/4SaO0wQe7Vo455DnvJPsEf.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/4SaO0wQe7Vo455DnvJPsEf.
{"copyright_id":"0x82238912a7c02241b5e797553613cbdb03ed9df79fdbcb52622e674a7ad1bbb1","isrc":"TCAGT2311659","name":"Alone Together","registered_at":"2026-06-06T00:55:28Z","spotify_id":"7cIDYzHEEmPwzuWETP1Uvk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82238912a7c02241b5e797553613cbdb03ed9df79fdbcb52622e674a7ad1bbb1. 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/7cIDYzHEEmPwzuWETP1Uvk.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/7cIDYzHEEmPwzuWETP1Uvk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb740311f1d727f56e17e103c33332d5e9f0468de2906f7f64d37fee3fc97c6. 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/1BPq3t04Co5YQXJ8qCSVXr.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/1BPq3t04Co5YQXJ8qCSVXr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ac56bfc75e99a61576e736efb4af85c916c3a10a7a280841a0a2051c46d44c5. 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/5oPdejCPSksxQtRZI4SUwN.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/5oPdejCPSksxQtRZI4SUwN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff003855f1182997f425ea43cf894866382b64be8636ad4e11dd110c591340de. 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/5pPA5hMgV7VlH2wUFJ5OI6.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/5pPA5hMgV7VlH2wUFJ5OI6.
{"copyright_id":"0x13366de272e7b0eda0eda9fe57b62cee2e5dff937efff8609245ebf0796bd386","isrc":"TCAGR2251468","name":"Closer to You","registered_at":"2026-06-19T02:08:48Z","spotify_id":"6i5KOpvBGmU7duZxRD2vci","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13366de272e7b0eda0eda9fe57b62cee2e5dff937efff8609245ebf0796bd386. 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/6i5KOpvBGmU7duZxRD2vci.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/6i5KOpvBGmU7duZxRD2vci.
{"copyright_id":"0x9727405c4a1beb6b0c81081e924ab80b3b1fc74b82b74a097cd009c20a8a5ca3","isrc":"TCAGR2251471","name":"Cherries and Berries","registered_at":"2026-06-10T11:58:26Z","spotify_id":"3fInymESkGdEXja7PCAQkR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9727405c4a1beb6b0c81081e924ab80b3b1fc74b82b74a097cd009c20a8a5ca3. 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/3fInymESkGdEXja7PCAQkR.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/3fInymESkGdEXja7PCAQkR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57b8344f51710c09779b63afd9912a636244f1e6e95a6c1d16c1d3eb0db18340. 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/5nnCIRfL8cCRlbZS1ECdGI.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/5nnCIRfL8cCRlbZS1ECdGI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5528c350e388584360b3f23cf8c972f9a381757c35c28a45c74641e4850aa318. 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/75xYRvwyFhqts2BLpa0T0B.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/75xYRvwyFhqts2BLpa0T0B.
{"copyright_id":"0x8a6b72b90bbef8f252293f512230c9b17084ec7e9e35071adc5218b13c72cb89","isrc":"TCAGR2251487","name":"Strawberry Martini","registered_at":"2026-06-06T20:59:09Z","spotify_id":"6bhTg5YPnqQjegxmWxMhOe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a6b72b90bbef8f252293f512230c9b17084ec7e9e35071adc5218b13c72cb89. 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/6bhTg5YPnqQjegxmWxMhOe.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/6bhTg5YPnqQjegxmWxMhOe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5db620b7401389680463b6f30a9c1aa4982cd6952c9884d22fd8b8b9f4f73f97. 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/18NUlMPvXg195AKT85izW7.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/18NUlMPvXg195AKT85izW7.
{"copyright_id":"0xe989287d6260032282bfa4ada91c8dabc5df2d27208fb5bc2aecea569e3d8acb","isrc":"TCAGR2251496","name":"Soft and Sweet","registered_at":"2026-06-21T15:40:24Z","spotify_id":"1qHNpbECsvqZnN4WsMTZr0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe989287d6260032282bfa4ada91c8dabc5df2d27208fb5bc2aecea569e3d8acb. 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/1qHNpbECsvqZnN4WsMTZr0.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/1qHNpbECsvqZnN4WsMTZr0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x045bed1d8a182489bf09380da74244a889147f845b3120f126cb01b5a6ed6e9d. 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/4VD8xvsVlb5hQGcvytoyDV.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/4VD8xvsVlb5hQGcvytoyDV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a9ddf70801dcbb73133a2d33e15dc50b3b2c7a172746c0b6812711c1e33156d. 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/7aUu95zRV8UxmLEHTboRx6.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/7aUu95zRV8UxmLEHTboRx6.
{"copyright_id":"0xd1ca87fbc4d0ce1329099a4599c2a8f13266bf0dcf9629f8cf4bb1a5f18a5c18","isrc":"TCAGR2251505","name":"Jazz on the Streets","registered_at":"2026-06-18T09:39:23Z","spotify_id":"4fIehzdai5WipjLALaDjqH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1ca87fbc4d0ce1329099a4599c2a8f13266bf0dcf9629f8cf4bb1a5f18a5c18. 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/4fIehzdai5WipjLALaDjqH.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/4fIehzdai5WipjLALaDjqH.
{"copyright_id":"0xddd79cae3e59cbedfd37b1740cffb5661c875835a495a6025fc0fc33a1563701","isrc":"TCAGR2251513","name":"Bossa Melon","registered_at":"2026-06-21T15:39:06Z","spotify_id":"6YzunpquGGeAXA0fVoXzlo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddd79cae3e59cbedfd37b1740cffb5661c875835a495a6025fc0fc33a1563701. 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/6YzunpquGGeAXA0fVoXzlo.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/6YzunpquGGeAXA0fVoXzlo.
{"copyright_id":"0xadb2f34364cfe3b9e8618c00d9c49326e5af97a0a7b970a031473befe56a2cd1","isrc":"TCAGR2251515","name":"Keep It Cool","registered_at":"2026-06-06T14:44:27Z","spotify_id":"4vIZTor6CMOR1oUc3hOExU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadb2f34364cfe3b9e8618c00d9c49326e5af97a0a7b970a031473befe56a2cd1. 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/4vIZTor6CMOR1oUc3hOExU.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/4vIZTor6CMOR1oUc3hOExU.
{"copyright_id":"0x6b78f703ab4898a034851e14e1261fd5b8b479115b4d5aacba9bc54d2809be35","isrc":"TCAGR2251519","name":"Midnight Fruit Punch","registered_at":"2026-06-06T07:47:29Z","spotify_id":"0NnIcDZ2gSuMu8enHViaGw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b78f703ab4898a034851e14e1261fd5b8b479115b4d5aacba9bc54d2809be35. 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/0NnIcDZ2gSuMu8enHViaGw.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/0NnIcDZ2gSuMu8enHViaGw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbc2f2504074d81a906cd7fe8c32e0229dea30d21e20af7e5b2b6ff6964758c1. 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/3RlyixIBf5zkRcPFn4C4p9.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/3RlyixIBf5zkRcPFn4C4p9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12fe895661a9da34b6a8f2e5d20f16581ef071619e442fcdd120ac7eafa5fa91. 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/7HHdK370qZUUElJ4tR1XEj.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/7HHdK370qZUUElJ4tR1XEj.
{"copyright_id":"0xf190a465ba986ca70aa79555fa44fe98daa7cba56115836f6da2f98250e76ac0","isrc":"TCAGR2251524","name":"Brooklyn Berries","registered_at":"2026-06-12T00:10:18Z","spotify_id":"6liJoj9NL2O0LO348aVwYE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf190a465ba986ca70aa79555fa44fe98daa7cba56115836f6da2f98250e76ac0. 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/6liJoj9NL2O0LO348aVwYE.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/6liJoj9NL2O0LO348aVwYE.
{"copyright_id":"0xf0108ae05c86b708c61bd7185090e9a9cfbcc47152676543427c964f1ad58e1e","isrc":"TCAGR2251530","name":"Raspberry and Lime Juice","registered_at":"2026-06-12T00:20:41Z","spotify_id":"4NSeVJ9qlXEn3nWHMLKtBk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0108ae05c86b708c61bd7185090e9a9cfbcc47152676543427c964f1ad58e1e. 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/4NSeVJ9qlXEn3nWHMLKtBk.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/4NSeVJ9qlXEn3nWHMLKtBk.
{"copyright_id":"0x9bbd89d0840d66f5f10407a1d3af888c5728eb007c5c770d6b87f103cbe9b480","isrc":"TCAGR2251534","name":"Vanilla Amaretto","registered_at":"2026-06-18T08:32:56Z","spotify_id":"1BTG6vrxu4Hf4otmfhkt0P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bbd89d0840d66f5f10407a1d3af888c5728eb007c5c770d6b87f103cbe9b480. 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/1BTG6vrxu4Hf4otmfhkt0P.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/1BTG6vrxu4Hf4otmfhkt0P.
{"copyright_id":"0x901f8d962b38c6576830852de485fadfc03aeada5be50502098a3e6c672c0ba5","isrc":"TCAGR2251538","name":"Maple Marsala","registered_at":"2026-06-10T11:57:47Z","spotify_id":"3GFgBp0TAzGf6itoXKZNSA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x901f8d962b38c6576830852de485fadfc03aeada5be50502098a3e6c672c0ba5. 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/3GFgBp0TAzGf6itoXKZNSA.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/3GFgBp0TAzGf6itoXKZNSA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9076a2580f71c1aebde72deaa100695798bde9685742348ea5371d5bf6a7970. 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/5X2VAyOT3pLLqhyuG1Ap5q.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/5X2VAyOT3pLLqhyuG1Ap5q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61e2557f5923592b447d2f315e5ff61141074d0b256fd6c2e3f547b9f039a5e6. 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/5QbPRYsxTGRXmvuikG8oIu.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/5QbPRYsxTGRXmvuikG8oIu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x616be6d2172b769e6640d90dcd3051c5706eaa56ef9cfc4ea7623612870535db. 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/0Q8TJhURdD9FyXxKrc8nsK.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/0Q8TJhURdD9FyXxKrc8nsK.
Have Youself a Merry Little Christmas (Instrumental Version)
Have Youself a Merry Little Christmas - Instrumental Version
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The Christmas Song (Instrumental Version)
The Christmas Song - Instrumental Version
It's Beginning to Look a Lot Like Christmas
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Have Yourself a Merry Little Christmas (Solo Piano)
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