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 0x43e6567620c378b7e4953917927b7044030255f05aed96d96b9c7d600119c45e. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/578c446d-52ff-458d-a174-20abdb6f9f57.json and https://artists.proofprofile.net/proofs/artist/578c446d-52ff-458d-a174-20abdb6f9f57.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 0x2156d6fb6e3fece5d978bba1acf2bb781dd420084b7786013f87ad4a2df9ef81. 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/SEWRL2000301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbccc7a14480e682a2851ee18ee50f54b300b57b8d0137f108f617172254959b4. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/SEWRL2300301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5042f5e5b695fbfba70ab37f16098cf3fc63092d50c09d0468556318d5edb782. 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/SEWRL2400201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6cf5e62443c1cd848b36703fd6830f5d52945678a5f63de9cb679a80efa309b. 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/SEWRL2400203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x115e9c274869cc6a887439d43e63e6fb5b89552698b23f65f64233639eaf3a4d. 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/SEWRL2400204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2635e546f8a5241adedec4131504a178f3b227b262f3f9be1eb20089ba5dd71. 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/SEWRL2200501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5406781bdf17d0595f1dc754848e6740ccc92b32ba63c56b459e6d0f173385d. 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/SEWRL2200601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedcca3541deca7cd74b88971b426a6cba9f80c3fdca16f59c6c70b7e63e6b80f. 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/SEWRL2100102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x457e3c06089b0791336d932401f6680f13dfb4990732af162e133a906da39f1b. 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/SEWRL2100103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb49eb7b39bc2641b40ec6a74d0c29ca0d5f0e4fd7f291d8409dcd74146aa07d6. 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/SEWRL2100107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc219c664b3b6036fdb78c82e9f01174e21d46363dbf3bf0747c5c9ba8edeaa7d. 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/SEWRL2100110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9003d9107f8738f63d04875fa1809ddfe4402c9016c9e2753a96608ee240614f. 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/SEWRL2100111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec62094297cfb7c9f8883c32d56438d2f3af0d453aed3fb7c235d7b7a5e23cdf. 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/SEWRL1600201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3470cfbd938e65308b86c7d104db07a09261196b8e8e6b1ea95dcf4312ec9d8e. 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/SEWRL1600202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40c7f90f6b490a22869d02eae27ca367293da7830ecb73ff7d9bfd2959b72873. 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/SEWRL1600204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b351a03643e9e481552f0fe055109434c1cd6584166b149a6d4a1595909c91c. 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/SEWRL1400401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd71c6c655ba2389962e661cebe8b1d74e29f72319fda92edd3dd25c78d10bbc3. 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/SEWRL1600206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22b5e6dc3032add0e9facc81354c118ee3a73370639b6f37b45cd38a0577d710. 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/SEWRL1600207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a198a107fc0c582c005bf69326dbb3220d4cda6ff9e08431a1df61eccb32ac7. 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/SEWRL1600209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x630f896e28e62eb7529334c0d443e5b54df916ee44a47fe69e979bb5710845e6. 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/SEWRL1400403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a6251f00b4619d79420d3e34fd71296df115068aa426a2a3b4feabad4a9688d. 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/SEWRL1400402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a1fba50e2322a7a6a11a394c614eb208d2322ccceafdf117358f4336563cca2. 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/SEWRL1300301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f672455dc3e438a7c9d797a8819894bb4148c3d3cf1e8364b0dbbbc3a3009c9. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/SEWRL1300302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e2b2eeb8778a4def5500a886c121bd8ffaf79359f1a6a5b55ec1f38fb79b08f. 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/SEWRL1300303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x051ab005c6f332d2cab54e03a6089025e3859278ded4fc271a73c7ba36eb45a4. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/SEWRL1300305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2477453a0fc021813b491d3b89e88177d75f22dd9208472b24ed3bbcc396022d. 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/SEWRL1300306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c340594330fa987d0ae352e93af99d4ee53dec56f9ed485cdbaa21649f0ffa0. 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/SEWRL1300307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b56d2e9dae73d680518e265dfa6f42e6712e92a0b64c47f0cabe327534d18de. 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/SEWRL1300310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbccc7a14480e682a2851ee18ee50f54b300b57b8d0137f108f617172254959b4. 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/SEWRL2300301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2635e546f8a5241adedec4131504a178f3b227b262f3f9be1eb20089ba5dd71. 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/SEWRL2200501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2156d6fb6e3fece5d978bba1acf2bb781dd420084b7786013f87ad4a2df9ef81. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/SEWRL2000301.
Happy Holidays with the Exotic Sounds of Ìxtahuele
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x217ac144428e13c1150e5e2ee9cc54b3d9e923afa9ffaf4fa0670e5fdf7c8b99. 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/SEWRL1300502.