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 0x49d70c1a99e7af626b0d5584ab8c731c1a7b0e3c0980baca675390b8a6e2f764. 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/f4f8c644-5097-4fc6-a2c4-84ca14d5437e.json and https://artists.proofprofile.net/proofs/artist/f4f8c644-5097-4fc6-a2c4-84ca14d5437e.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 0xab50146dfb581577f1201109c8a12ec0892e13a87b018d6e6b56628a385fc6f3. 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/5mN46R0MchvtXo1mGrCpll.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/5mN46R0MchvtXo1mGrCpll.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12c18ad70311640e0232219df211442860a76de805c0273cc24c1eaeb1f9d238. 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/2ySmpuPgDmxnw83LFnYK9k.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/2ySmpuPgDmxnw83LFnYK9k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa94ef10f980baf5057fc20fa2e86f881023bb511f8fe6eb371a48c9b9cd639b. 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/5A6rM0QRnSlz8MAz9nqrF3.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/5A6rM0QRnSlz8MAz9nqrF3.
{"copyright_id":"0x3c00d6bdec778abbfb0827dce11a7733871fc9abe788fe8960d6426c708086f3","isrc":"ZAC059600045","name":"Isidwaba Singu Fakazi","registered_at":"2026-06-20T17:04:49Z","spotify_id":"35euZB8AwGyAgPU8rsGp13","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c00d6bdec778abbfb0827dce11a7733871fc9abe788fe8960d6426c708086f3. 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/35euZB8AwGyAgPU8rsGp13.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/35euZB8AwGyAgPU8rsGp13.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aa16d3d85db37674c87c951c3d05d51e8aca42cca9b9e079412b18938dfe91e. 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/5WLCI9Dw4ypDcxqEND7y3S.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/5WLCI9Dw4ypDcxqEND7y3S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ed4f5742f7f734a7cd65f1f8a0949dcbcf5e3447363b70b1b623df5b69c1964. 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/5CxTQa4JocnsHeipf3w42Z.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/5CxTQa4JocnsHeipf3w42Z.
{"copyright_id":"0x184e728d2a939b1acf5cbeacf2d75055b3f8628b415ba4f5273395074891b78d","isrc":"ZAA019600393","name":"Kilimanjaro Take Us Higher","registered_at":"2026-06-22T13:47:17Z","spotify_id":"6IbiVfPzWatSfLJcZAef8b","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x184e728d2a939b1acf5cbeacf2d75055b3f8628b415ba4f5273395074891b78d. 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/6IbiVfPzWatSfLJcZAef8b.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/6IbiVfPzWatSfLJcZAef8b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x566a3734f7abb60b084fe8edc0397f915864135a2ddb7847404fa0e79ffb20a3. 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/5DGLFV5RPNhtQNC8U21hN4.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/5DGLFV5RPNhtQNC8U21hN4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x280fab52632d69b2c5892f8870b65145f63cca6d79a19432d913af180147dde5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2J1mifcz0kqfaZTEz7rFB7.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/2J1mifcz0kqfaZTEz7rFB7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf3a2c31cf2f387e7c8fb9a46b818785d304b9009352d53a43d9b717af867835. 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/5VM0aAkF24ySFsvdfE8ziJ.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/5VM0aAkF24ySFsvdfE8ziJ.
{"copyright_id":"0x8afa1b750cf20af64f556e777373f5027b9efad279965cc16baad26a4f90f88d","isrc":"ZAA019600386","name":"Sweet Juju","registered_at":"2026-06-07T10:58:11Z","spotify_id":"2boJintJaRwHCSPBksaUTb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8afa1b750cf20af64f556e777373f5027b9efad279965cc16baad26a4f90f88d. 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/2boJintJaRwHCSPBksaUTb.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/2boJintJaRwHCSPBksaUTb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07309e920412ed4dd8105dc808b85a8796e7222567c192c69a0d5b099d6e93d6. 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/3lB31lvF4GEwKwMgFWwCJ7.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/3lB31lvF4GEwKwMgFWwCJ7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bc651a945443eef530d9b27fb28a07195634558c97db522fbdb63c21b67ee39. 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/5gOT42MIcseCTNs6uHUC50.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/5gOT42MIcseCTNs6uHUC50.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x874655cdd636ae3567dc5299e41e9fc569124703b516c57f98bfa846bc17eb90. 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/7wNPciApOobHKG371fM2ze.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/7wNPciApOobHKG371fM2ze.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f28de97d789c00ca76f4d34456634f488cb0676205363d3094d8ab080b2b712. 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/63sScMQxzGZmvw2TuZf5CP.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/63sScMQxzGZmvw2TuZf5CP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb7d7f8ab8ebec5600f878a83872f505803b71ed14b61582c99501fb2bebaebd. 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/16eZFGpk2c86lNb9sow2cU.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/16eZFGpk2c86lNb9sow2cU.
{"copyright_id":"0x8453484c10c2f3f8d7a5aa9d5743153246f786a79c48a1a9663bcc7cc3efb1da","isrc":"ZAA019600392","name":"The Village","registered_at":"2026-06-09T23:29:33Z","spotify_id":"2SyMvCcJrhMnriqcncNeOi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8453484c10c2f3f8d7a5aa9d5743153246f786a79c48a1a9663bcc7cc3efb1da. 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/2SyMvCcJrhMnriqcncNeOi.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/2SyMvCcJrhMnriqcncNeOi.
Buza (There's A Light At The End Of A Tunnel)
{"copyright_id":"0xdd989b8c4da9c7d25deca755730d4adeec5e193f777f498dd62d242119262afb","isrc":"USUM71812802","name":"Music Man","registered_at":"2026-06-28T02:10:20Z","spotify_id":"00DJt4PjkzeXhKKVDekw2n","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd989b8c4da9c7d25deca755730d4adeec5e193f777f498dd62d242119262afb. 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/00DJt4PjkzeXhKKVDekw2n.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/00DJt4PjkzeXhKKVDekw2n.
{"copyright_id":"0xdb4a3d43a0867b746f642391ba6d76b5ddbd6faf09e6ef2a2b631a8efee39527","isrc":"USUM71909878","name":"Tristêza (Reunião De Tristêza)","registered_at":"2026-06-26T11:25:11Z","spotify_id":"76DZOxvviWFalD9WCitK5v","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb4a3d43a0867b746f642391ba6d76b5ddbd6faf09e6ef2a2b631a8efee39527. 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/76DZOxvviWFalD9WCitK5v.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/76DZOxvviWFalD9WCitK5v.
Let's Go Dancing / You've Lost That Lovin' Feeling - Medley
{"copyright_id":"0xbffc57a2f29bf621413a7dd1cfd883a678406e636e1c9f05a597cef5db9d4f98","isrc":"USUM71812800","name":"Let's Go Dancing / You've Lost That Lovin' Feeling - Medley","registered_at":"2026-06-28T02:11:17Z","spotify_id":"3fFdngMgi89iXpP0Z116Ua","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbffc57a2f29bf621413a7dd1cfd883a678406e636e1c9f05a597cef5db9d4f98. 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/3fFdngMgi89iXpP0Z116Ua.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/3fFdngMgi89iXpP0Z116Ua.
{"copyright_id":"0x2cd4870988785ea8968d1af8141fa079138f910deae06fd9c367f919b7b390df","isrc":"USAM10000256","name":"Ain't No Way To Treat A Lady","registered_at":"2026-06-26T11:37:26Z","spotify_id":"2hi8r6ozeehwsoPggoTIjG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cd4870988785ea8968d1af8141fa079138f910deae06fd9c367f919b7b390df. 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/2hi8r6ozeehwsoPggoTIjG.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/2hi8r6ozeehwsoPggoTIjG.
{"copyright_id":"0xee5871c6915f248fdfbda67fe53c62bcdb3b4d140a706eb67a20460ddbec3ca0","isrc":"USUM71812826","name":"Maru A Pula (Clouds Of Rain)","registered_at":"2026-06-19T21:48:45Z","spotify_id":"4beMfG5go7kV03rKEtOyRx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee5871c6915f248fdfbda67fe53c62bcdb3b4d140a706eb67a20460ddbec3ca0. 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/4beMfG5go7kV03rKEtOyRx.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/4beMfG5go7kV03rKEtOyRx.
{"copyright_id":"0x38da047a8b86d822bb16fc264f0b608c1dcc8a2530f2f517f8ef0531f18e4f57","isrc":"USUM70847740","name":"There's Music In The Air","registered_at":"2026-06-06T14:45:57Z","spotify_id":"5CQaB5tweelW95KQUn1j2S","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38da047a8b86d822bb16fc264f0b608c1dcc8a2530f2f517f8ef0531f18e4f57. 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/5CQaB5tweelW95KQUn1j2S.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/5CQaB5tweelW95KQUn1j2S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81ee5e80de12206acc0bea7220873a4cd863de7a1a939352eb8eff50c8d7601f. 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/4vvxwgATJnBMHYaW32Qr73.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/4vvxwgATJnBMHYaW32Qr73.
{"copyright_id":"0xb4d20b10dc5484e0b83e80a656b4727920fd105f37e5dccece0bc3e1aa5a8a3d","isrc":"USC4R7306094","name":"Noma Themba","registered_at":"2026-06-10T12:12:12Z","spotify_id":"3iQ0daGW8MTp2I4UQvy1ee","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4d20b10dc5484e0b83e80a656b4727920fd105f37e5dccece0bc3e1aa5a8a3d. 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/3iQ0daGW8MTp2I4UQvy1ee.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/3iQ0daGW8MTp2I4UQvy1ee.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b1bd87919a2b44df434116a1899a49711c9900ac9a96c53808813b8d94636c0. 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/6LTGFHwWz1Urkl9a81HO83.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/6LTGFHwWz1Urkl9a81HO83.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ce0994d076c137e60889a41e6272a9e1dd54aad8e35ebd95542d389724914ce. 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/6sCoWx3PclKkkxodi2GoCD.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/6sCoWx3PclKkkxodi2GoCD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9253493c307b92b48c30cfe668e6a9a7dcb1a59340756359cf14369a31935267. 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/46n1UXWYfvQXW7jTuNe8ZN.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/46n1UXWYfvQXW7jTuNe8ZN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x280fab52632d69b2c5892f8870b65145f63cca6d79a19432d913af180147dde5. 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/4FgQyvHj4TgdOe3PG5CRcq.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/4FgQyvHj4TgdOe3PG5CRcq.