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 0x5f819774901f28b72a37230f2ae61ed8f51b361d3f3f20a020e58845c3b9f970. 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/1dc8fa4f-aabd-4608-85a3-35d8f114fc5b.json and https://artists.proofprofile.net/proofs/artist/1dc8fa4f-aabd-4608-85a3-35d8f114fc5b.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 0xbce613c9800cff64ac25d448544d33e2e47047039c8b22f9e58e503f7a50cb0b. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/USE831565619.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f1a1469cecb15bc9766b781c041057d501d3a8346311849c6d81c4726ffc409. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T09:11:53Z), 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/GBUM71606682.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89c8cccddab17a98f0e6f689c39ee1ba03484b7a9dd13891692cf49a9e295290. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T11:08:30Z), 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/GBUM71606761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ed182942dfa5091198d8c811b5b374f4f2bb17e1bcb1f3569df266accf1e521. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/GBUM71605966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ffd1fb708cae442546ba713954560b5325247bb825067f92827a24826d41ba4. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/GBUM71700313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe569b50f3e2e81ef2f5a45372114bd6b04bab04b765b9650375c27905f465acd. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), 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/GBUM71701048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1fdcc9f77cafabb548c11f0f2c9f4bb13fe3d9cb3303c9dbc9d7a7e35703ae3. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/QZ22B1866404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa59450faf6248a4c1631e4a2c181b3e0c0c7a48aac01100d21787a50068e934b. Chain 2 (Bitcoin): anchored in block 957805 (2026-07-13T04:34:37Z), 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/QZ22B1866406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f9ddb32a9dfcfd252e1f223edd7b102f776448ed4b713dd46f3a19d3c08966d. 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/QZ22B1867288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x995201035b72c76fae10a9ad4b3adb21b81e420f4e5f2abdfaa3cee875e8dcdf. Chain 2 (Bitcoin): anchored in block 958134 (2026-07-15T09:14:08Z), 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/QZ22B1961666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08a17226b764b5997b3db5d83afe6e626b87a6f26172e2b5ff0baa2469edf6ca. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZ22B1961667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5362ac3ac0572be2139c45e5a38baab90a3a4347af4aacd06a0c54e8ebf075e. Chain 2 (Bitcoin): anchored in block 958523 (2026-07-18T08:54:12Z), 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/QZ22B2090804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7bedf9fe8b902ca2f608996101eaec74b316254a4f3c8d3fcf6d387eabb7907. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QZGWW1958252.
Can You Feel The Love Tonight (From "The Lion King")
Can You Feel The Love Tonight - From "The Lion King"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47958e8b89bcec7cd3e69ed09c42554f7361952cbfa0f5c31d70b879e0b7416a. 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/QZGWW1976229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2412f2ca0103122da2a9fce873170c32d5afcfdf5709f1a23c145af2da78d828. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/USL4R1909269.
Yummy (Violin & Sax Cover) [Instrumental]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14d3dfb16bc92b8121f5962dbfb8f581907e1282723f5611057c4aaa7330d0a1. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZGWX2017414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43d037393eea3a2510e4899e5bb4ce97ea88db2694bd58bccca5c8825898f3b1. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/QZGWX2023131.
My Heart Will Go On - Love Theme from TITANIC
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb2ff2fcb8bbe75ef111432e98f0bee404a3362b57b0f4060e262150b61e79d3. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/QZGWW1985864.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76ed16213ac2f19da96740a5a6e268d236095274d83f43a282482679252307cb. 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/QZGWW1985854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x707aa95142321f2cbb7d73b8cf8c2403e07601b3757485b5b9ccd9c2d47a2294. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/QZGWW2032264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0266457d1e4dda4d212f027680a7c690c4f8c5b658409ba5269109192545266d. 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/QZ22B2012756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x698252e7b1b787896d479e64fbde9e6365cc1e6dca7168e90ce69ef9f0923aef. 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/QZGWX2220943.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63d69127ae88bb879165b0a47e65f463f6b7197b8c65a0212c987bac2a6140c1. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/QZPJ32124361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd128060e7f5d7fade7f19f884b302abc4f2ac5768ddf0a90bc076b4898a09f23. 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/QZPJ32192140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x871837bad1b4d74a2eff50d13a3feb16060a2c4313bd9a9b1d22043fe0dec397. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/QZPJ32192141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccf0ab7035f8fab6a04d5e7e3b7150af062cd852cc15fe044c4a503a466b382c. 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/QZPJ32192142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f0541efc3976e7246004da2114489121dc5bdb67487b92a162d277a966f85d7. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/QZPJ32107064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63d69127ae88bb879165b0a47e65f463f6b7197b8c65a0212c987bac2a6140c1. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/QZPJ32124361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6b49b001aa82924e42259c6c1aa9f5fdbea39e9e61b95f7e6d5bafff54d3299. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZPJ32146349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb55f143d96428e18f59b725f5dbf5aeb9cadbd1f54f410f4896dc6fc16b43d1d. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/QZGWX2120678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c1c69c71e449764a84e6ec5377af559e4e1d72ead97f38403cbc22d3dfd80c1. 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/QZGWX2217683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1b5434a64f9acea5bd0cd4e4151f4d683bab77605ead59b2ec3ffebdcea8388. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/QZPJ32235825.
Si Antes Te Hubiera Conocido (Violin cover)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a8316fed97b09141d840a49dfa551a5da9eea07b1fba988cfc79b3f5cc1bbe3. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/QZZ7R2440951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2785f38e2780992a0c0c80499e2afcdd3644cc8f6fd8b9cb7b68287834580d61. 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/QZPJ32447441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6ddb94f91effd56fe16ff501fc4158d507d4c26b218e5a9274700d055b67a4a. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), 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/QZPJ32476209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc866b9a0acafa1f5ae5047e460e43b72b431d9bd6a420e555580ddddbaafd1c3. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBWUL1948237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97391b7fc21b599a44d2c309b303b945bc7231123169d56574baae8d88a42565. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/HUA470900718.