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 0x4472ea61b05d3237c957979d611c0b8d957181315abe1aed939c19f8d752d1b9. 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/74f360dc-7704-4ac8-9ed8-028aff193914.json and https://artists.proofprofile.net/proofs/artist/74f360dc-7704-4ac8-9ed8-028aff193914.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 0x8e4bf1905992d745cffb15887bda942398a66206ddd80efa0a9a458b72d5147d. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USA560753126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce74f3694f8b2c048aa9dc4c4e6aaa01b205c53ce892646da392276496442f68. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USCGJ1654965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc27d0904d13f77c6c1af8156a93ba082bea173a62d473e1c987d7c9477c5876. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USCGJ1654967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5605d03a73e8fc2f1924a595719bdd6ea689fdb65c6642dac4d6592d5a3bd8e0. 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/USCGJ1654968.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86ebb45d834bd8056bb517a6909be8e64d9d464f9db5a9810752d4fc95f4ccd1. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/USCGJ1654970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb66d8aa46cc4fecd731015f5b7abea15638a7ba85c9ba682f9d1d1661f370a3a. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T07:22:03Z), 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/USCGJ1654972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e97750c40708576ccd41e23aa9fdead4b5393e520f688c629564e9d7e4e441c. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/USL4Q1888686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29a44883962c7923c44086030d442864ef96358034aeae2e2d42cbf624c01c23. Chain 2 (Bitcoin): anchored in block 958705 (2026-07-19T08:43:25Z), 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/USL4Q1888688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0389a85be56e0a955405726754cca327e0ed1b63e2d0c7bf371a70a687b5e8fd. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/INS170400097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0769eec4812b7da7d79de6fafca28b6286c07c3b80447dc583ca994c26dd45c. 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/USCGJ1639252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbff3ca38c88951a36f54a7bbef8da9905e19d0b78dba95cc2baa4f0404a8b3d. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/INS170800438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbabb7ae453ab331a5e9e65a06af0ba8e18df85d0f5bbda7f0d1f216b20367bb. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/USCGJ1612010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57c86c86343d694074982f3ac52ea88d78b9d2ac8e3584d9ec6981e4a0023339. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/USCGJ1612016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x414c23725097428db11f3aed1864e9a38316e4a50ef1bbefa1fd56e30bb5b99b. 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/QMEU31806029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3cdc69aeeb55d8564bcd4d668a87dd5d2d3435e77adb761bbb995a95a46993e. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USHM81474894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa019d6cf2b20296a6353d7906cae9b8770f668e3dfe0fa7c865a724443eb5e64. Chain 2 (Bitcoin): anchored in block 958091 (2026-07-15T03:17:03Z), 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/USDY41586255.
Coke Studio Season 9: Aye Rah-E-Haq Ke Shaheedo
The National Anthem of Pakistan (Coke Studio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbde329a410e7cc9a2aaaa40d05cf4687e488a5d5aa4f3f4c33fb2a3158e86d66. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/QMEU31806024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x349cc831e319a0a7cbc7df7fcb27aeb09f7aa1da0d588a115cedd91ba3c38c9c. Chain 2 (Bitcoin): anchored in block 957833 (2026-07-13T09:36:32Z), 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/QMEU31806028.
Hai Koi Hum Jaisa: Red Bull Music Soundclash (Live)
Sar Kiye Yeh Pahar: Red Bull Soundclash (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29b43bfa907e145506c0d5ec2c58eb9bdde6bf8b9f892dccfefd6110ea61580a. 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/QMEU31913046.
Mera Bichraa Yaar - Red Bull Soundclash (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7089797aceccac16f068cd44637d8479a51275a891bee3e1d9b37c57c6d1ea74. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/QMEU31900496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6f9dd0c12409a8f60501d43674163922e96a62b301f53d599532e934d448f01. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QMEU31900497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x931bad890cdaa5a765b26cc6033787c8f9e2c72663539a0eec03167914942eb3. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QMEU31806030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93fdcdea2fdee8f175b0676fec66d02b219991cd8954afcea2d82bbbf692c931. Chain 2 (Bitcoin): anchored in block 957867 (2026-07-13T14:55:20Z), 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/USL4Q1853083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7f5ab9c84ce5141a88385aef4ffc7af595544deb79d9dbea0ce5aaaf72d153f. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/QMEU31990505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bd830ebe6abff528b894c6a0ee08b4fc838eece54d41582ef317b40985ce4a1. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T03:24:09Z), 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/QMEU31806025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa790d177019c63313e1b8c3f6a5aaa7cf4af6e91e732b679b9b78cb01c79e4ad. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QMEU31806026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7a15a7fe2367a6606ab487e3ef48b4cb3e595793339e4f30d82c5c57f9c100f. 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/GBF077510740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7a15a7fe2367a6606ab487e3ef48b4cb3e595793339e4f30d82c5c57f9c100f. 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/GBF077510740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x055c2db30d944f0d9ceeff9d3608038f2314cb2226cfd8affdcaa5c2d9e72f9e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QMEU31716106.
Karma 6 - Featuring Earth Song & Other Hits
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a73adca00b89b9074b70efa2b993a235055626927966eabf1a7d8d795704950. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USCGJ1639250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x517040a1e4279d452957103ebf2fc6ed20f7f47a5c809d71fb317456919b60b3. 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/INS180702498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8143341dfc3fbf4f584784370cb09b87c1ae2be075b1a207de0225484e05fb4c. 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/INS180702504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe83c18c1e754e2390f7c9fae39075271a6758417d2faa2ac04c09cab57530452. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T19:51:25Z), 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/TCAGH2209361.
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