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 0xc5f120c5b4bf12f5e5896ab44cc87a286777a85260327e1ccf811a4c5c0d99dc. 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/3676e487-a167-405c-bf0c-bf746fc86771.json and https://artists.proofprofile.net/proofs/artist/3676e487-a167-405c-bf0c-bf746fc86771.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x7f45a5a614f2e8bc2d6292f94d73f37f8e6efeed5c4d04ca03ccc632c4cf9c40","isrc":"GBKPL1809592","name":"Closure (Acoustic)","registered_at":"2026-06-08T20:05:03Z","spotify_id":"0sDxWg7hIipcSc1pGHOxyl","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 0x7f45a5a614f2e8bc2d6292f94d73f37f8e6efeed5c4d04ca03ccc632c4cf9c40. 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/0sDxWg7hIipcSc1pGHOxyl.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/0sDxWg7hIipcSc1pGHOxyl.
Coastline (Vancouver Sleep Clinic Remix)
Coastline - Vancouver Sleep Clinic Remix
{"copyright_id":"0x952d98cb9d6c8ee04d56026ba8919fb058464abe639ab6ddc3e04b7424f86085","isrc":"CAN112300662","name":"Coastline - Vancouver Sleep Clinic Remix","registered_at":"2026-06-04T06:58:47Z","spotify_id":"0zUTBKmEYRpJnNwbILo3mW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x952d98cb9d6c8ee04d56026ba8919fb058464abe639ab6ddc3e04b7424f86085. 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/0zUTBKmEYRpJnNwbILo3mW.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/0zUTBKmEYRpJnNwbILo3mW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc51cf9c86467126ea50135b1e259d5924829582604dfc922a7f4bcc5ef0009e6. 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/4UY89JHsARacawoSHPC8Vf.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/4UY89JHsARacawoSHPC8Vf.
Call On Me (feat. Vancouver Sleep Clinic)
{"copyright_id":"0xb59115be65de4a36f75fe131c5b28de2e66eff30fc93221cb10901c967a3c688","isrc":"GBEWA2204950","name":"Call On Me (feat. Vancouver Sleep Clinic)","registered_at":"2026-06-07T05:42:10Z","spotify_id":"1Wt8OoQoQ2DsoPHs0TdOHn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb59115be65de4a36f75fe131c5b28de2e66eff30fc93221cb10901c967a3c688. 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/1Wt8OoQoQ2DsoPHs0TdOHn.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/1Wt8OoQoQ2DsoPHs0TdOHn.
Call On Me (feat. Vancouver Sleep Clinic) - Au5 Remix
{"copyright_id":"0x7b2c2d96fd6d3c1779f1cd55ff3388049b853f7795aed25941ac6de1529e17af","isrc":"GBEWA2300991","name":"Call On Me (feat. Vancouver Sleep Clinic) - Au5 Remix","registered_at":"2026-06-19T11:00:30Z","spotify_id":"5ILKYSHSXOe8quDeFZ1Qhy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b2c2d96fd6d3c1779f1cd55ff3388049b853f7795aed25941ac6de1529e17af. 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/5ILKYSHSXOe8quDeFZ1Qhy.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/5ILKYSHSXOe8quDeFZ1Qhy.
{"copyright_id":"0xb59115be65de4a36f75fe131c5b28de2e66eff30fc93221cb10901c967a3c688","isrc":"GBEWA2204950","name":"Call On Me (feat. Vancouver Sleep Clinic)","registered_at":"2026-06-07T05:42:10Z","spotify_id":"5lsdgSVEy03Wmb83fHmaBs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb59115be65de4a36f75fe131c5b28de2e66eff30fc93221cb10901c967a3c688. 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/5lsdgSVEy03Wmb83fHmaBs.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/5lsdgSVEy03Wmb83fHmaBs.
The Woods (The Kite String Tangle Remix)
{"copyright_id":"0x952d98cb9d6c8ee04d56026ba8919fb058464abe639ab6ddc3e04b7424f86085","isrc":"CAN112300662","name":"Coastline - Vancouver Sleep Clinic Remix","registered_at":"2026-06-04T06:58:47Z","spotify_id":"5goa6PPo5LhKoDt3kOYqFO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x952d98cb9d6c8ee04d56026ba8919fb058464abe639ab6ddc3e04b7424f86085. 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/5goa6PPo5LhKoDt3kOYqFO.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/5goa6PPo5LhKoDt3kOYqFO.
{"copyright_id":"0x952d98cb9d6c8ee04d56026ba8919fb058464abe639ab6ddc3e04b7424f86085","isrc":"CAN112300662","name":"Coastline - Vancouver Sleep Clinic Remix","registered_at":"2026-06-04T06:58:47Z","spotify_id":"1Y5feQ5flIawCuMSqYIQOl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x952d98cb9d6c8ee04d56026ba8919fb058464abe639ab6ddc3e04b7424f86085. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Y5feQ5flIawCuMSqYIQOl.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/1Y5feQ5flIawCuMSqYIQOl.
{"copyright_id":"0xb59115be65de4a36f75fe131c5b28de2e66eff30fc93221cb10901c967a3c688","isrc":"GBEWA2204950","name":"Call On Me (feat. Vancouver Sleep Clinic)","registered_at":"2026-06-07T05:42:10Z","spotify_id":"1FQaFfsZ8Ol1ttSqYFifV0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb59115be65de4a36f75fe131c5b28de2e66eff30fc93221cb10901c967a3c688. 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/1FQaFfsZ8Ol1ttSqYFifV0.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/1FQaFfsZ8Ol1ttSqYFifV0.
{"copyright_id":"0xb59115be65de4a36f75fe131c5b28de2e66eff30fc93221cb10901c967a3c688","isrc":"GBEWA2204950","name":"Call On Me (feat. Vancouver Sleep Clinic)","registered_at":"2026-06-07T05:42:10Z","spotify_id":"6IhHyxeOqS6LKgP2Lawj55","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb59115be65de4a36f75fe131c5b28de2e66eff30fc93221cb10901c967a3c688. 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/6IhHyxeOqS6LKgP2Lawj55.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/6IhHyxeOqS6LKgP2Lawj55.
Running In A Dream (Push The Button) [ABGT558]
{"copyright_id":"0xe0b6772a006f3bde257dd71a950aae3f1fe2260208a0f25fe69ad950d238bc01","isrc":"GBCFB2100514","name":"Lune - Manila Killa Remix","registered_at":"2026-06-19T11:05:03Z","spotify_id":"7sdvuzf52Vx3IUJRlM1JxR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0b6772a006f3bde257dd71a950aae3f1fe2260208a0f25fe69ad950d238bc01. 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/7sdvuzf52Vx3IUJRlM1JxR.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/7sdvuzf52Vx3IUJRlM1JxR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2adf67e13a12812ad0182ea68ff89f3174d24c697d9a9dff37423967ba09c5b9. 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/0U1ecLqx9WQLh380UVEVwm.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/0U1ecLqx9WQLh380UVEVwm.
{"copyright_id":"0x952d98cb9d6c8ee04d56026ba8919fb058464abe639ab6ddc3e04b7424f86085","isrc":"CAN112300662","name":"Coastline - Vancouver Sleep Clinic Remix","registered_at":"2026-06-04T06:58:47Z","spotify_id":"1iu9wRqYG05S3EP3xkN1QX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x952d98cb9d6c8ee04d56026ba8919fb058464abe639ab6ddc3e04b7424f86085. 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/1iu9wRqYG05S3EP3xkN1QX.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/1iu9wRqYG05S3EP3xkN1QX.
2:22 (Original Motion Picture Soundtrack)
{"copyright_id":"0x4962beabd3bc5d24ed7f2d1bcd63a6d4b6a5dc24d83eb1000406d433e22bccdc","isrc":"USSM11506935","name":"Modern Conversation","registered_at":"2026-06-06T23:44:13Z","spotify_id":"2mKz2YoxA65ZPzTv3i5s0A","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4962beabd3bc5d24ed7f2d1bcd63a6d4b6a5dc24d83eb1000406d433e22bccdc. 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/2mKz2YoxA65ZPzTv3i5s0A.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/2mKz2YoxA65ZPzTv3i5s0A.