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 0x7aacc1fa40e206faf0584799b8d6d2d63c7a7a9ad4bbecf5c1bdf07a16b08109. 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/7aef61c5-b5bb-4c50-9708-61cda85ec704.json and https://artists.proofprofile.net/proofs/artist/7aef61c5-b5bb-4c50-9708-61cda85ec704.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 0x61f66421d55fd8e7979c873f98729a714ba2eb5c8b779b15356d8f61fc3b36a7. 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/BXVK62400011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b6a84f8d3d62aba19c112219891823b61ed2b8b8088233d7ba18a936c865927. 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/BKA7Y2400083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ce21911a32ee9e3e071dc29bb86200d6bfb16175054df8a9060b71aea17c95a. 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/BXNT62500055.
Pode Voltar Paixão / Abstrata (Na Bebura, Ao Vivo)
Pode Voltar Paixão / Abstrata - Na Bebura, Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1d4ad6875375464f466698518f5393174a754301c85abd08ab34fca33922d05. 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/BXNT62500052.
Com Todos Menos Comigo (Na Bebura, Ao Vivo)
Com Todos Menos Comigo - Na Bebura, Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62de9ed605a649c56adab8c1d019e4958bce3955c1771d5c3859c5d4c6395f6f. 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/BXNT62500040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ad586065aac90896d64c0f0b23bb91c8bf327d99533d7ecb2f4c5161836fa92. 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/BXNT62500049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a14c10fe828c9906d2dc68474aefdb9255ad967dff17af74dafb50c70239fe0. 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/BKGNR2300085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f1e86f5d674eef0e2a828b28bef157f35e0c4afadfcd1ca10470deca5668bb7. 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/BCSG12400010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51aa6d61f2ece27a9c5cae6dbfc2ce8a8224add212a703e3dcb531a9baf0ae10. 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/BX5A12300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x948285664e2243402e7e262849247dc25463f5207bd092df8ed37f8b8ee31104. 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/BXTB12300166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13053dbcb2769260339327b3b8c0a783d7046cfded96c0ce5286ad6bd7dcb4db. 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/BX5A12100015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a8085f44bea82c66dad01bfdf0d58836d05920d013db1c3bfd74c5acef57284. 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/BX5A12100012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f69beb83b5f7ff376c62bb4ffa7d6d16046134e9d7f6e7f7df295320170fe25. 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/BX5A12100011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e94cd4e14ded42e3c791250f987f21c051dba4a9b4e42afddbedb16434b420f. 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/BX5A12100010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13b33bf9b847ff1b075a2be92cf34d21e59369a79c6a899d18b45fc6a7a32c18. 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/BXD4P2200041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee8366df8429d4e3e9ce9a7b8a6dcdb302922c4193c836f0e19f958912eb1d61. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/BX5A12100004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8da488339ce48c0ee06ff0b58f47e01e193a3b91fbb5835548d1a27ff1c1383. 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/BX5A12100009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa00789b2a872b3486d68313ef0a4e0ec8db0e7d6e49049e38bf201985e00cb90. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/BX5A12100006.
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 0x8fd8ae8233a1d11896adeeeef01f563dff3ba47dfffa5fe81f477938a5c3c43a. Chain 2 (Bitcoin): anchored in block 960223 (2026-07-30T07:51:46Z), 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/BX5A12100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x239f63bfb90d6b54038ec22b0c8f381dc7f0a844c452be42c3aa55e7cc775b7d. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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/BX5A12100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade72475cbfd937073d365376276555246d6c14e870da3aa74d7656413a786f5. 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/BCSG12100051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad84a06e4a66fb9fc51faaad5d1dfefeb9e576c149e8cf2bd6dabd06d2ab01f5. 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/BX5A12100001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e650ab8adc818136b734eb66e33927134956acab8c0fc5bcb69b23c732d1bd8. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/BXA8E2000137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cf2ba4d4ddfef21c6fb5ddf737bb4c9539efd6f382a8c9ba88b95ab77dbf31a. 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/BXA8E2000001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c60ec58220b626800c6ce33f48c704e5bf94a0ffec2d9ab9a89fc8d144679a2. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BXTB11900058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2bc3e7b387283f42941aad9312a6e45a6539097845276e486f662da1433180d. 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/BXTB11900013.