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 0x6e9b7f9eedf9e9d5f07fa9ac28f5bc46d577f91820c912bcbb578ee0ef66c295. 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/9d3263d1-b842-4ccc-ab29-c2604ee0fd3f.json and https://artists.proofprofile.net/proofs/artist/9d3263d1-b842-4ccc-ab29-c2604ee0fd3f.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 0x90ab82c5948f59656f5c131693379e25322187e9343181bf51b159294b213673. 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/2wq5tNWrGnqtLOhmmI1g4K.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/2wq5tNWrGnqtLOhmmI1g4K.
Keep Pushin’ (Missy Elliott Remix) (From the Original Motion Picture “The Color Purple”)
Keep Pushin’ (Missy Elliott Remix) - From the Original Motion Picture “The Color Purple”
{"copyright_id":"0x62ca3e02d0d19ec0fd565f0299a69460c9948228946cd492c41aa1c588384ab6","isrc":"QZSYP2360208","name":"Keep Pushin’ (Missy Elliott Remix) - From the Original Motion Picture “The Color Purple”","registered_at":"2026-06-07T21:54:25Z","spotify_id":"2iJD1owfFgSQjPQTnG7C0P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62ca3e02d0d19ec0fd565f0299a69460c9948228946cd492c41aa1c588384ab6. 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/2iJD1owfFgSQjPQTnG7C0P.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/2iJD1owfFgSQjPQTnG7C0P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x516a7e73dcd9c006899876c30a704558a2158ce3546df7b54cd0642d6a9bfc55. 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/2soZTM1x1GBiQGMAsXKXpd.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/2soZTM1x1GBiQGMAsXKXpd.
Part of Your World (From "The Little Mermaid")
Part of Your World - From "The Little Mermaid"
{"copyright_id":"0x1f8c8cc44254238b674cadf13843de7e1f3eb3718cf1689ee654c7b8351dd163","isrc":"USWD12321011","name":"Part of Your World - From \"The Little Mermaid\"","registered_at":"2026-06-01T22:48:56Z","spotify_id":"2pcSENGQmdptFCBQ3HpKHe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f8c8cc44254238b674cadf13843de7e1f3eb3718cf1689ee654c7b8351dd163. 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/2pcSENGQmdptFCBQ3HpKHe.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/2pcSENGQmdptFCBQ3HpKHe.
The Color Purple (Music From And Inspired By)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce1c65fc53bda913353966d18d74091c51069c5a34c144b0d327174c0febd74. 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/2IWvs7NUJ54EeZuosgnmM9.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/2IWvs7NUJ54EeZuosgnmM9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07b013ab20b945317647870dd2484243155728c4e6c39bb035a9d677f5143a9a. 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/4lu5f98XubuhpSO5zrsXU8.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/4lu5f98XubuhpSO5zrsXU8.
{"copyright_id":"0xe9ccc3c2bcb90308821563d7e9c5b35484416e2b5fb3b945db4c944cdc04c2e0","isrc":"QZS7J2314677","name":"Huckleberry Pie","registered_at":"2026-06-09T06:09:25Z","spotify_id":"5TRCmuwnQWNd2o7fkhhBiD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9ccc3c2bcb90308821563d7e9c5b35484416e2b5fb3b945db4c944cdc04c2e0. 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/5TRCmuwnQWNd2o7fkhhBiD.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/5TRCmuwnQWNd2o7fkhhBiD.
{"copyright_id":"0x62ca3e02d0d19ec0fd565f0299a69460c9948228946cd492c41aa1c588384ab6","isrc":"QZSYP2360208","name":"Keep Pushin’ - Missy Elliott Remix","registered_at":"2026-06-07T21:54:25Z","spotify_id":"5RLynR4FGE9Y0fhoLrFTBL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62ca3e02d0d19ec0fd565f0299a69460c9948228946cd492c41aa1c588384ab6. 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/5RLynR4FGE9Y0fhoLrFTBL.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/5RLynR4FGE9Y0fhoLrFTBL.
Part of Your World (From “The Little Mermaid”)
{"copyright_id":"0x1f8c8cc44254238b674cadf13843de7e1f3eb3718cf1689ee654c7b8351dd163","isrc":"USWD12321011","name":"Part of Your World - From \"The Little Mermaid\"","registered_at":"2026-06-01T22:48:56Z","spotify_id":"57VLpJ5DTC4HtFToISknWs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f8c8cc44254238b674cadf13843de7e1f3eb3718cf1689ee654c7b8351dd163. 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/57VLpJ5DTC4HtFToISknWs.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/57VLpJ5DTC4HtFToISknWs.
{"copyright_id":"0xe9d8c3a89e6a4b3d801ba1d2ecd99ca17ebe95bceb94cade45883df65eded278","isrc":"GBUM72406939","name":"Soft (feat. Chlöe & Halle) [Unlocked]","registered_at":"2026-06-04T06:42:57Z","spotify_id":"3tBHvugVF7GSpKsncQml42","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9d8c3a89e6a4b3d801ba1d2ecd99ca17ebe95bceb94cade45883df65eded278. 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/3tBHvugVF7GSpKsncQml42.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/3tBHvugVF7GSpKsncQml42.
The Little Mermaid (Japanese Original Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f8c8cc44254238b674cadf13843de7e1f3eb3718cf1689ee654c7b8351dd163. 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/6A5JKaLW85peZCx64ltkiF.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/6A5JKaLW85peZCx64ltkiF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf124d0739d7e00cb1aa91c13758a520f12459866c4c43ddcee4f1068f9349587. 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/6WtsSznQOKXnA01Ne0jGSb.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/6WtsSznQOKXnA01Ne0jGSb.
{"copyright_id":"0xbf716fce101b7e7eba02f831eb6be649297029a2f8dc7c500724b81f51b8545f","isrc":"USWD12321022","name":"Part of Your World (Reprise II)","registered_at":"2026-06-04T10:59:56Z","spotify_id":"3WeNhojhnFpCU1Zcq4CB1d","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf716fce101b7e7eba02f831eb6be649297029a2f8dc7c500724b81f51b8545f. 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/3WeNhojhnFpCU1Zcq4CB1d.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/3WeNhojhnFpCU1Zcq4CB1d.
The Little Mermaid (Original Motion Picture Soundtrack/Deluxe Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f8c8cc44254238b674cadf13843de7e1f3eb3718cf1689ee654c7b8351dd163. 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/5UK5ZeUAzy3Am4VeU6ouV8.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/5UK5ZeUAzy3Am4VeU6ouV8.
{"copyright_id":"0xd956f67cf3926f6ad2a8532ff90feae9bd3f0ac7618305f805965a51c9a6528d","isrc":"USWD12321013","name":"Part of Your World (Reprise)","registered_at":"2026-06-04T07:52:55Z","spotify_id":"5IdkerHFypeLz7u1LFKEcr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd956f67cf3926f6ad2a8532ff90feae9bd3f0ac7618305f805965a51c9a6528d. 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/5IdkerHFypeLz7u1LFKEcr.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/5IdkerHFypeLz7u1LFKEcr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf124d0739d7e00cb1aa91c13758a520f12459866c4c43ddcee4f1068f9349587. 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/55dk5wKH4izQ95SfjDnxEB.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/55dk5wKH4izQ95SfjDnxEB.
{"copyright_id":"0xbf716fce101b7e7eba02f831eb6be649297029a2f8dc7c500724b81f51b8545f","isrc":"USWD12321022","name":"Part of Your World (Reprise II)","registered_at":"2026-06-04T10:59:56Z","spotify_id":"1ZqOKC2TujgZ712a4EzNpx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf716fce101b7e7eba02f831eb6be649297029a2f8dc7c500724b81f51b8545f. 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/1ZqOKC2TujgZ712a4EzNpx.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/1ZqOKC2TujgZ712a4EzNpx.
The Little Mermaid (Original Motion Picture Soundtrack)
{"copyright_id":"0x1f8c8cc44254238b674cadf13843de7e1f3eb3718cf1689ee654c7b8351dd163","isrc":"USWD12321011","name":"Part of Your World","registered_at":"2026-06-01T22:48:56Z","spotify_id":"2HRhVQ0yo1jIvXoRTCIdEz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f8c8cc44254238b674cadf13843de7e1f3eb3718cf1689ee654c7b8351dd163. 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/2HRhVQ0yo1jIvXoRTCIdEz.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/2HRhVQ0yo1jIvXoRTCIdEz.
{"copyright_id":"0xd956f67cf3926f6ad2a8532ff90feae9bd3f0ac7618305f805965a51c9a6528d","isrc":"USWD12321013","name":"Part of Your World (Reprise)","registered_at":"2026-06-04T07:52:55Z","spotify_id":"1aYdJNJT480JVCPYayogh6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd956f67cf3926f6ad2a8532ff90feae9bd3f0ac7618305f805965a51c9a6528d. 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/1aYdJNJT480JVCPYayogh6.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/1aYdJNJT480JVCPYayogh6.