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 0x04c82459df6adac331c42c9b6203909b8c8ff6a95d3da08a50a65dc68083bf80. 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/5739b036-cfdc-4431-8287-ece1534f9730.json and https://artists.proofprofile.net/proofs/artist/5739b036-cfdc-4431-8287-ece1534f9730.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
What a Difference a Day Makes - Original Mix
What a Difference a Day Makes (Original Mix)
A Dream Is a Wish Your Heart Makes (From Cinderella)
A Dream Is a Wish Your Heart Makes - From "Cinderella"
{"copyright_id":"0xfcbd8f3657a584f71baf6618dae8277f9ea3ea0fcb0216dfaf919902175dd515","isrc":"USWD10936655","name":"A Dream Is a Wish Your Heart Makes - From \"Cinderella\"","registered_at":"2026-06-09T06:57:03Z","spotify_id":"33VTBMZDXqvFnmG7VqyzsD","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 0xfcbd8f3657a584f71baf6618dae8277f9ea3ea0fcb0216dfaf919902175dd515. 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/33VTBMZDXqvFnmG7VqyzsD.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/33VTBMZDXqvFnmG7VqyzsD.
Julie Andrews Selects Her Favourite Disney Songs
Reception At The Palace / So This Is Love - From "Cinderella"
A Dream Is a Wish Your Heart Makes - Cinderella
A Dream Is a Wish Your Heart Makes - From "Cinderella"/Soundtrack Version
{"copyright_id":"0xade4f5553bedeffd264bb308529a6d029f0bc29764b6e75adffbe3c900ad7c3a","isrc":"USWD10321112","name":"A Dream Is a Wish Your Heart Makes - From \"Cinderella\"/Soundtrack Version","registered_at":"2026-06-04T10:31:50Z","spotify_id":"3uVkugZz6yCTw5Z8sDI19F","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade4f5553bedeffd264bb308529a6d029f0bc29764b6e75adffbe3c900ad7c3a. 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/3uVkugZz6yCTw5Z8sDI19F.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/3uVkugZz6yCTw5Z8sDI19F.
Julie Andrews Selects Her Favorite Disney Songs
{"copyright_id":"0xade4f5553bedeffd264bb308529a6d029f0bc29764b6e75adffbe3c900ad7c3a","isrc":"USWD10321112","name":"A Dream Is a Wish Your Heart Makes - From \"Cinderella\"/Soundtrack Version","registered_at":"2026-06-04T10:31:50Z","spotify_id":"3v6yNnsvdymMp5Z0ovNxpg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade4f5553bedeffd264bb308529a6d029f0bc29764b6e75adffbe3c900ad7c3a. 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/3v6yNnsvdymMp5Z0ovNxpg.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/3v6yNnsvdymMp5Z0ovNxpg.
Disney Princess: The Ultimate Song Collection
{"copyright_id":"0x7f13d869ca7d8d9ee510d63edf8a51b02ddd7bd182a9eecf7bb1807d344ca73e","isrc":"USWD10323057","name":"So This Is Love - From \"Cinderella\"","registered_at":"2026-06-01T23:45:20Z","spotify_id":"1EwRMgWXS9U8Oet39tlYwY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f13d869ca7d8d9ee510d63edf8a51b02ddd7bd182a9eecf7bb1807d344ca73e. 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/1EwRMgWXS9U8Oet39tlYwY.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/1EwRMgWXS9U8Oet39tlYwY.
{"copyright_id":"0xade4f5553bedeffd264bb308529a6d029f0bc29764b6e75adffbe3c900ad7c3a","isrc":"USWD10321112","name":"A Dream Is a Wish Your Heart Makes - From \"Cinderella\"/Soundtrack Version","registered_at":"2026-06-04T10:31:50Z","spotify_id":"33e8JtboPPzbzCsCqfPnr9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade4f5553bedeffd264bb308529a6d029f0bc29764b6e75adffbe3c900ad7c3a. 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/33e8JtboPPzbzCsCqfPnr9.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/33e8JtboPPzbzCsCqfPnr9.
Disney Princess - The Ultimate Song Collection
{"copyright_id":"0x7f13d869ca7d8d9ee510d63edf8a51b02ddd7bd182a9eecf7bb1807d344ca73e","isrc":"USWD10323057","name":"So This Is Love","registered_at":"2026-06-03T09:47:09Z","spotify_id":"4dlXhJtGR0h75DKkE4vlD2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f13d869ca7d8d9ee510d63edf8a51b02ddd7bd182a9eecf7bb1807d344ca73e. 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/4dlXhJtGR0h75DKkE4vlD2.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/4dlXhJtGR0h75DKkE4vlD2.
{"copyright_id":"0xade4f5553bedeffd264bb308529a6d029f0bc29764b6e75adffbe3c900ad7c3a","isrc":"USWD10321112","name":"A Dream Is a Wish Your Heart Makes","registered_at":"2026-06-04T10:31:50Z","spotify_id":"4MyyV6WP0nmCsHPkngtBEp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade4f5553bedeffd264bb308529a6d029f0bc29764b6e75adffbe3c900ad7c3a. 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/4MyyV6WP0nmCsHPkngtBEp.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/4MyyV6WP0nmCsHPkngtBEp.
{"copyright_id":"0x7f13d869ca7d8d9ee510d63edf8a51b02ddd7bd182a9eecf7bb1807d344ca73e","isrc":"USWD10323057","name":"So This Is Love","registered_at":"2026-06-01T23:45:20Z","spotify_id":"2fvr4UmOiD9mJGrsMjW2zx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f13d869ca7d8d9ee510d63edf8a51b02ddd7bd182a9eecf7bb1807d344ca73e. 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/2fvr4UmOiD9mJGrsMjW2zx.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/2fvr4UmOiD9mJGrsMjW2zx.
{"copyright_id":"0x7f13d869ca7d8d9ee510d63edf8a51b02ddd7bd182a9eecf7bb1807d344ca73e","isrc":"USWD10323057","name":"So This Is Love","registered_at":"2026-06-01T23:45:21Z","spotify_id":"0iAeeMHxf5vfTyLCNho2iD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f13d869ca7d8d9ee510d63edf8a51b02ddd7bd182a9eecf7bb1807d344ca73e. 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/0iAeeMHxf5vfTyLCNho2iD.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/0iAeeMHxf5vfTyLCNho2iD.
{"copyright_id":"0x7f13d869ca7d8d9ee510d63edf8a51b02ddd7bd182a9eecf7bb1807d344ca73e","isrc":"USWD10323057","name":"So This Is Love","registered_at":"2026-06-01T23:45:21Z","spotify_id":"1k5gyediln0PdkAr6mqp1r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f13d869ca7d8d9ee510d63edf8a51b02ddd7bd182a9eecf7bb1807d344ca73e. 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/1k5gyediln0PdkAr6mqp1r.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/1k5gyediln0PdkAr6mqp1r.