1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x4693b792f1a509779437cc47e9729a15c565cd62d2aac7237b85f851078d57e2. 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/545791b3-edf4-4854-9c3f-a5b0cb421c04.json and https://artists.proofprofile.net/proofs/artist/545791b3-edf4-4854-9c3f-a5b0cb421c04.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43439d649b2a5b1b55f50efe5ac7b67c1413defdd35f191945e0f7980e7298c5. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF711001123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52c2eedcf08d2ace6393ae05425a9338714a8bfabbb6e2a055652a108b6139f6. Chain 2 (Bitcoin): anchored in block 956748 (2026-07-05T05:55:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF711100184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8be11c7848dcf41e8af687aac189f4ba322172272cb3d48b075574728d714ea. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T06:32:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF711101750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3fe056a4c7355479c1d5253651d2ade6004bad51b33b59c8d3357b9b3bf7d06. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF711202318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2a3c8f9bc3f944e56558924fdfffb1b817d159512c53ea8cc7ac637499cd892. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLC731100061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa256c22f29720f8678b2670777af3115e1ab924e097cf19de82138c59d44512b. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T03:20:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLC731300258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ad103f492b3906d26e13a53a5925f9742725cba93e0652c64d82803cc542c10. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLC731410067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9378cb9f848f696704049ccf20f274432e17faec1a0d3da5004b80869e65226. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLC731500232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9373e6dc639180defb29f6a7b5d341a73218df0cc927329ddaac83076d38fa47. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T15:56:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ42582180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7bd0695c5cbd749f3db08c105ee98fe5b3231a4f11e6101e4e8ebd78c4167da. Chain 2 (Bitcoin): anchored in block 958514 (2026-07-18T06:54:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG2506288.
Every Heartbeat - Beat Service's Digitally Enhanced Intro Remix Mixed
15 Years of Enhanced Music, Mixed by Tritonal
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce6fade7741d2c28ae19d342f7ad01b358b1deffb7a78e9383c503808fe3fb88. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2364415.
Sometimes I Wish (Tritonia 473) - Beat Service Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6eb2e948aae9a1513bc7211061c51820367a30b5e307fcb11e880fc7a84f840. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2439999.
I Can Hear You - Beat Service Remix Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf24145c5d8b9078a6d375c2e342337480279033bc25979a1134b43f9325b8b21. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF711001971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe977bbee30e64d0f6875baec05479405b47ee501145e678ce8f7d33b067251c3. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF711100748.
For Who I Am (Mix Cut) - Beat Service Remix
A State Of Trance Year Mix 2013 (Mixed by Armin van Buuren)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c01c89df47c063d580785d394dbb48b0ebb24fb7eaf5f153d82faec5b7235c3. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF711314126.
A State Of Trance at Ushuaïa, Ibiza 2015 (Mixed by Armin van Buuren)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdce53518794690154cf238b690007b612a4cbb4b38a6d435c8f1e3b559a8af16. Chain 2 (Bitcoin): anchored in block 960285 (2026-07-30T17:26:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF711504728.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Nothing Without Me [ASOT 586] - Beat Service Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8811fc9e61272d613b348769954f8c16645503387e45b51641a0e569d27bf41. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF711206781.