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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24338e4d7c9d244abb3b01b4f38a191c39363e1e2f9c6c495bfb3c5c572b6c00. 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/14bb9035-ff27-4fc2-a2e3-40766b6b344e.json and https://artists.proofprofile.net/proofs/artist/14bb9035-ff27-4fc2-a2e3-40766b6b344e.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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a1fa73addde985df2856c36c778a35c6af662513ab1dfbcdfa8aff0b7926ddc. 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/NLZ542100856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e1d72ccddbb04253c472e06ac00ce442b1c0b39ad02d60d52bc40e8c042f13c. 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/FR9W12318249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b365c0c132e283a861aec5f556d9a319529568e91ab404be81d47050df620c8. 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/FR9W12201378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78626dcf3bf6c824b5ee61c8f334da5e058d2b8e647f309c7e1ec05ee7a0302. 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/FR9W12022698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7594f35e03217e9d8fc64f1fa25a04b00ae38d0648a0ef78914aa192a8211a80. 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/NLZ542202433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d0a0943fc48f430447ea8b2682e977be189acb624040ee41cc2daa1f3fdf9f8. 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/NLZ542202436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d51ac6b79b1bc0d26c27c8d341b088e50ed510c446bbd4ae8be3d551666d5bf. 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/FR9W12218003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d8770a22694d4c5493da392ffd08984b0614948138444eab5aaac1076ee046d. 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/NLZ542101266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc41bfc49fb87fcaa410e76427530df6471e9eb2d76315d3865449898f365a70. 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/FR9W12353942.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x014d541be7ac6f6b2a229c523ee712ab060375ed01bc4f22e47eedd683027d2f. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/FR9W12336068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50746538b64c055b0af6f1b84fd2bc0f196935dfc19eeee4dd8e6a21876235a9. 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/FR9W12337042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeffd4e281b26e3964035d2b45fc7740faba50e834ed15792de76f95b2963f477. 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/FR9W12307138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a79b45c37ba3cec8372aab61204a1a2cc59c765f7f13331143d4800a71e7adc. 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/FR9W12231324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4feb25278ad9929709174d53c1bdb49c3031a7abb43ef54b210b59a6cdb838b3. 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/QMDA62142939.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd1672d06a8f28f6513e589f6d5013d305e081b50a16ec2373cf0ada9f64663f. 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/FR9W12131666.
I Wanna Dance with Somebody (feat. The High)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e070d1ab829691dad1270047050aa7abb0f19b417e427a2bf4e2c3c74b1136. 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/FR9W12106760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87ec45dd58d94918312ad54509fcc4db2abf5bcd03274d50310bd7e0ce1b9b82. 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/FR9W12036829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f65003fb1a1926225115aeb6f76d44cc752c3577a34827bb11478f53e3078e. 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/FR9W12013798.
Over and Out (feat. Charlott Boss) [Marnik Edit]
Over and Out (feat. Charlott Boss) - Marnik Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24340d8063c568baa1210fa102c21e536f75637985b9beaa2ad499e8a9aae4f3. 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/NLZ542000436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ca9bc5112d9006aae39bc953029c9422691bca2fc0f2486f50dc32b5ecbb69b. 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/NLZ542000125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0469486742cbc8748a956d0d7b3a3105260f13132374e34c7fc1448185a17bd1. 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/NLWV71900011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10cbc93355c7a549aa076429d408b5e36533f456809d08be01dacfe237e31dcb. 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/NLQ8D1700519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88f23cba2a3f744caef23710468d283892f0ba319a7a21fdc37cf8dee0ed7dcb. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/GBKQU1506801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c9b8e4a67df84185cc1a012737eb44945443840baa17ad6c1a4bdad1d3fd926. Chain 2 (Bitcoin): anchored in block 960157 (2026-07-29T22:12:10Z), 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/FR9W12330149.