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 0x86fcdb0f841168fba0ba39c99ed3dcafea5114cea629856617a14df11b2fc1e5. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/87195872-7c25-4739-b0fc-878e7e144003.json and https://artists.proofprofile.net/proofs/artist/87195872-7c25-4739-b0fc-878e7e144003.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 0x09070d8831d781b8636617c1e91760240f25814f96bf51d429839e2d102b04ba. 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/USHM81307633.
Ain't Going Out (feat. Crucifix & Demi Demaree)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6430d71c0d4d2b13106f1a4c21d8f0715d929d2de4a00b75f5d15c5158e9d7aa. 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/USHM21957704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbde90f846746158ac0774e0184be6c639f7b7555c85c2a3183603f05537547f. 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/USHM21957710.
Stranger Things (feat. Kung Fu Vampire & Demi Demaree)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa7bf1801459f6dd431ffc5c8f6849e1d3351af9b193709d1ff61da5d6f1f1db. 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/USX9P2392010.
Cannonball (feat. Crucifix, Jelly Roll & Demi Demaree)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8720b1059a5d9e8a85174a56fd91b69a6a15876709bf9fa70546149c03a075e. 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/USHM81730054.
Death Eaters (feat. Lo Key, Alla Xul Elu & Demi Demaree)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82e27dda49e3abd32e9cfde3010d36660c274012678749d7ffeb8b3c565b8a04. 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/USHM81730058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97c5a26bd44e3b3d3ae96d1e23f7d22760953f972f84340cd4b7c28ca758950a. 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/USHM91343270.
Simple Man (feat. Boondox, Bukshot, Claas & Demi Demaree)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad317611dcd71cf4f51b5132d0b1d851ffc276bae3669ba22b596f2de27e29ff. 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/USHM81922814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6eaa0c652bdae60987c5e9a5ed96c326fc545d636e1b4b73403a380cc699a18. 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/USHM81730089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6eaa0c652bdae60987c5e9a5ed96c326fc545d636e1b4b73403a380cc699a18. 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/USHM81730089.
Still Ballin' (feat. Boondox, Demi Demaree & Big V)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a6163420b399c1c923d0546eeb34b719afab27904d11210d49a623dd59828c9. 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/QMAAK1567300.
Simple Man (feat. The Underground Avengers & Demi Demaree)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad317611dcd71cf4f51b5132d0b1d851ffc276bae3669ba22b596f2de27e29ff. 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/USHM81922814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa10764688c157bb8f91637d524586074d3e6733cc7728fadf78685e1a12b9c49. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/USHM21612317.
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
Till the Day (feat. Lune Squad & Demi Demaree)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8d27a9ca668abf2da785b1b17a1569c425c899e8f40845a5a09134beff5fb08. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/USHM21612319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbce9b8ffb896dd63b07a10c6c98142074eea5fa11cdd30e14b9452fab3124c6. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/USHM21612321.
Night of the Hunter (feat. Demi Demaree)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc23854e4b9bad599b80e9250ed520465a1732d0e1b8eac84c673d3d17ac9497. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/USHM21557678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda60d8e9b94f0dc6ee95505ac7689d6d629613c545ffb345d90d791df7bf4bff. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/USHM81730062.
Don't Go There (feat. Potluck & Demi Demaree)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a35d4f72a326820a1985d1f254fc5891cc106b8c582dbd6672b11815d4bf214. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/USHM91343281.