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 0x091361746e359a1a9741b3b3c1bacdf59801bfa851d8ed766696b80d152cc485. 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/6b88c08e-285e-477e-af94-83d92df8d641.json and https://artists.proofprofile.net/proofs/artist/6b88c08e-285e-477e-af94-83d92df8d641.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
MTG (BRILHO DO VERDIN vs NOVINHA DO AGLOMERADO)
MTG BRILHO DO VERDIN vs NOVINHA DO AGLOMERADO
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 0x94182f12c95ff2504b2f909ade801b3110277b0a4c9743acace675891886b7a5. 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/QZPLS2249261.
MTG GLOCK CAMUFLADA vs LAVA O PAL NA PIA
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c316667c8a6177872435458c922e0087ec6f27691975ccacdfb02a6001bcb87. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/BXIV82432083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74a94527ca055e40d81afe1843a8fdc8de44f6effe27d9edddb2d75d132e35b4. 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/QZK6P2412888.
MTG PASSA LÍNGUA NA MINHA BOCA (Versão BH)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcad94d2245a6d4b11b65418c813741970ce3271aa42bc3a80f2b9ba501db13f3. 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/ESA112450180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd3b88a33a6c118ef2d12835c24aaf804f1a2019f24dce19f68b0879fa4d2ae2. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/ESA112454464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8696d1d9c467ab83800c8d3e169f02207a79c7faac451a8daf07b6a2275a71f9. 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/BXTRN2400585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f83fa932b0aeaee0ad06911cf0b65da0a76df65a131c836ce38f9a4fa26552. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/BXTRN2400596.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x073ccc4baa9acb3747f77ec690670ececdb4fa863d9021c7d83d596fc649d67c. 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/BXTRN2400590.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611a019734a427546800611921d86da16e0e406572877bee9f517a7b6e0efa05. 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/ESA112559888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x074256f6a2e2499b24325a3f56b4f9738ec656ef1d196d533e45303f63ffd012. 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/BXTRN2400639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65bb3a7024be79f87f9ade3453a80e996d36c8cf3e59677753c396642c9c4b55. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/BXTRN2400651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0a1f791b9ec327548928e5c5876ef1de3823f7a7b6797d0e15790ac6550486d. 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/ESA112563445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x211418079d045d839e98b1ee622164cf4afdaca269c96a0f6c764ea350909eb5. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/BXTRN2400681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2bf74cadf5d4e583c4b5ca5fcc0b66d185d6732bd7e3a99d986627694c242f8. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/ESA112563444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc16ecfbe441d45687920ff353800481362eb1d462f19a856ae8d927bd435fbd. 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/ESA112576015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4906b670b7ddc2324e1f53f295e29a0fe2262502e2dc42b635eccbca31c26a99. Chain 2 (Bitcoin): anchored in block 958920 (2026-07-20T18:14:22Z), 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/ESA112577795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ee62e5b799f1affece1b3d381d097129867d1ef6d5d27d3754dc14afe5accce. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/BXTRN2500891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4e5149de44607bbb494534e11a5aead6e9da9e5fb0f7d0a40725e9482ca41a7. 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/BXTRN2500997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77cf5bd5b62978b1ae22d608cf941e325d4e4f4c75898206a8c3125eb94f0fed. 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/ESA112585458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74a94527ca055e40d81afe1843a8fdc8de44f6effe27d9edddb2d75d132e35b4. 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/QZK6P2412888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x571a615d949a2a71b666141edf34677e3c188b7c96814940b7f5b2c8e8705a19. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/ESA112448658.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc778ed80636b80ccb36417d59468fb4515ae0d6754592bbd5d48910168ccd706. 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/QZ5FN2572510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda8514acaec83b3fac1b1c9266e32b979741aff462661c93e33cf31d02080ef8. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/BXTRN2500625.