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 0xf1366484cb701f30ebc3b079b45772b1969c5a76c2a6e24b7cc0bd642a531a49. 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/4f9ab730-c15a-401e-9180-c157f2faacb0.json and https://artists.proofprofile.net/proofs/artist/4f9ab730-c15a-401e-9180-c157f2faacb0.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 0x56e3ad781e04652532fae56588f6eb023b021af7aa1caa2b836096a659b134d5. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/GRE010700051.
Dark Ride - Original Motion Picture Soundtrack composed by Kostas Christides, Theme by Christopher Young
Perkins 14 - Original Motion Picture Soundtrack
AN...(Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63e8ec4965dc7b90a850cacac6a4fc8728a624d8d39415e7a980d785b39a80cb. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/GRCB11300395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b51169b45b4610eb460dbe51941fe4b26ae44ca62ed71294bc76e0da6ea73f1. 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/GRCB11300398.
Poker Face (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46a4a9193b54b76861ad421433b2d658f6aa97163b7b70908d143c4fbab6d042. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/TCABZ1491237.
MAESTRO IN BLUE (Original Soundtrack from the Netflix Series)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96d6e53f7d2daa79a9f8747daec91098686536d973b08afe90d45f9f877255ad. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T18:00:48Z), 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/QZHNA2393842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dd2e0a44ddb58f4d3157cc5d2850d6907ed7ca99ca77d8725ee411537e3ac87. 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/QZHNA2393845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2796cc57c8ac0b811f79d6f359e61594b21da419e9c43c35cdb0a50f6cd0bb4c. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QZHNA2393849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x443309d345f09b05841ba4f79b7ac305dd700b9c1e07354e7cba0995ca7c1006. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/QZHNA2393851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfaf5dd834aaee54607aae186ada1ca4c609d8fa7737bf71a7582379649de8eb. 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/QZHNA2393852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75c624644e32bbbd66ed6e0da05187b78f0d0ffb17acf81375459d2298ba2da1. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/QZHNA2393855.
Love & Gelato (Soundtrack from the Netflix Film)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb2b4c20c0a1cab673470cdbc55a9d5b43fa9c780cbfd176f0c9b3c6bee51473. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T22:02:57Z), 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/QZ8BZ2307531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd66cd23aa14c5a87bca07e7a5a052c7fd0d435fcee077ebb315e545c014742f3. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-16T00:07:32Z), 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/QZ8BZ2307533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f45b216ec1d0bc0dc80952ecd86b87a6d619e8b9ddfe2de5933604db847ac5f. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:44:20Z), 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/QZ8BZ2307534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5487185f4d976a4ca74ec5d53a85a1251ebd315fd45372cd052c7e88eed6e52. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:38:56Z), 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/QZ8BZ2307540.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6bc4178aff6d4ee03ac92972bde7337392f61a4dcd0e663c925629e615a94cb. 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/QZ8BZ2307543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbd4906017a07fa6c0a928118b8533258226fff5e95d919c9ec1f8266cb04682. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZ8BZ2307545.