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 0x2ac2e8c3751cd3d2297a82e828d1450a3457ca3277244569a0648b9768b0929e. 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/0ed07c4d-d248-4c5e-a172-0bf63e0ab922.json and https://artists.proofprofile.net/proofs/artist/0ed07c4d-d248-4c5e-a172-0bf63e0ab922.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 0xe549e7455731fc0cfed2033c533c6cdb4b8a3ed82c0c8e55f2c0f6404f557b9c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/CHA832298201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1e536349935a62491e758a2a47a2da2a8eb9bf4e7b92135d59a9bb1145f9328. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/CHA832298202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6da37c99b83d5eceb645ed492193c65405308d72719971f75d5695bea7d5d09e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CHA832298203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04fc49947eddde51487ed1a25764089a1ffd3e4c689ba29e86b632dbd102d290. 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/CHA832298204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68314543464001a14269a8c988b7b93e12e5698c0180d416041d586c172d7bb3. 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/CHA832298206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72adaf2af916a8c7ac721d555f488e0009d287aea489c542193ab44e9222e018. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CHA832298210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa7bf6100024ce36549967cc86ec026cfb216f64f38d84a4bef867f76d721336. 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/CHA832298211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38afc80243a7b7b84297a14cc3f854c51b76e7423cc7653582e77a12619b3ee8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLTH62000001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x971546ec3ec02bde8fb88d4b6d40a51dbfd252f20fe490192b2acb7c77257250. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), 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/NLTH62000002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9ab59591ff742dc4f88d0883f03144fcd2d9bf77e252bd8f5842ed86c6c9202. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLTH62000004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5085ffbff64ffc009c70ac0f7a6509e453761390c7eff9996c652e00864e8659. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLTH62000005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb72c0d3989db8c38b814d00fd049f3a93e7911eb452f0d654d57557d3bb9ee99. 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/NLTH62000006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eae6364003f3ef1c95b43bbad702882f4d424c87733413ad3c4ff167c3b36a9. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBUQH1900022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x661f39a40a010346419c9ec25d34d10fd6955266c62885b95364fa03975790ec. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBUQH1900023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83cd69b84174a5773ee3c2e50cb41223be429297959286efe7e2a7895090bd12. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/GBUQH1900024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95b46d211c6f5c44665a67b5148e6f2ea7d1bce2da73461c9bf5b8f24e826cd8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBUQH1900025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0701d29f70d1633a3d3d971898f5030beafbc2a2d3a79b66c3cd6f7261beba46. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBUQH1900026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd829efe5833eeeba36728ef022cf23803b4caa015e039c183cca0302ad1a1e0d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBUQH1900027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10fdd930de1f28218a0a331ed44ea9abafde27a77c33876f0d1992079f6c21f1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBUQH1900029.
Mauskovic Dance Band Live at Paradise Garage
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1e536349935a62491e758a2a47a2da2a8eb9bf4e7b92135d59a9bb1145f9328. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CHA832298202.
Space Drum Machine (Dam Swindle's Flute Mix)
Space Drum Machine - Dam Swindle's Flute Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9752cf9d52fabf8899e1349364e48988d04911c629843a53228dcd614733e8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBUQH2000013.
Homo Sapiens / Take the Money (Octopus Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cbbf53b11a2a3f5c0b7574d6d4cc4daacf1b337141f57c1dfa161d52027bace. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/CHA831971301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ed4670808ddae471f82810303f51c67f783ca3734af34878789615cc021f8c4. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/CHA831971302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ed4670808ddae471f82810303f51c67f783ca3734af34878789615cc021f8c4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/CHA831971302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf89ded37de37d3100a009706275f7594f570f622b762b0324302f19659269ed1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBUQH1800002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8099ecf6b2b2ba0000d7dfa14469eb110cc6fc30ce7b8414286c607073f90ec1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBUQH1800003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b176be4164dd49c5f5087b9e988ff0a3816eb108fd1df84f1a09ae8d177da11. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBUQH1800004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81b4cb277b4e67e603041234a2dc437d5dfad85339d69bb397b7f44bc4898995. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/CHA831770401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe2b24854515e78120bd7848ade6677d92c1e95d3f0ce15667f6c0cf7e672901. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/CHA831770402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x601298d08d130f7453d066ac3f9afc9af59a1d64c0007b8cb0119f6a562b0948. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/CHA831770101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c2bb8228038d270b87d3dba62ebc80d1e6333b344e303044cde9734e816d902. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/CHA831770102.