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 0xf9f187f4c60b50e05b50c258e455fa2e98fa08381a72bd6f0a9cb6851ad90c9c. 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/2bba75a8-4aae-4cef-90ed-0934e9039f3d.json and https://artists.proofprofile.net/proofs/artist/2bba75a8-4aae-4cef-90ed-0934e9039f3d.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 0xad26e508b035a9fc99ee12b45750c1eab78cf2c9c93df54ba7f21f89e8820782. Chain 2 (Bitcoin): anchored in block 958686 (2026-07-19T06:43:29Z), 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/QZHZ52012664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cb99c3e0eb4dbe045bbba81e26e8564cb0d8fabb831b713233ba257d023eb18. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/BR71F1700002.
Ayahuascar Cerimony Amazon Forest Huni Kuin Tribe: 432Hz
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6866aefdf1cacc2d1daa24f88e8f6be47ce1a215287830e0c80033775bce75f1. Chain 2 (Bitcoin): anchored in block 958590 (2026-07-18T17:28:56Z), 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/BR1SA2000003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40d8792ea4996f60b124b6205b49b39f538f6cb39983d28fb8c6678d3a1b797f. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/BR1SA2000004.
Iemanja - Mãe D'água Rainha das Ondas Sereia do Mar - COVER
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71ba13303bf16a8b079d498775ad7ec2062a49266919c1f43c13cfdf8404543a. 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/BR1SA2000010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e0cf87de08540f3a43cbd320af84028c55ab7d775bf54363c7c040e902ee23a. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/BR1SA2000011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7de45a61d95386d0aa0f7741c2640456a80e3787c6b76bbb35e4c39c8a41b2c7. 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/QZNJW2274486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0ce413627673c7c2fd95464da9222d1dc7ce54a71b6354e4d070204e0b4f991. 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/QZNJY2293770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00eb672e57bdba39ea4fa38e46bd9db84f572f388cb49192e65e11aaf2241284. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZ5AB2314099.
Que Eu Nunca Esqueça - Lembrança do Vento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d7a41f47841252a836d485fbd2a4392ebe592df0226b721c6d216f690df6704. 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/QZ5AB2411477.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f5d592d157ef92126fa9652924f4e12fbb35d8bf16be5db8ddde28645f286e3. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T23:50:14Z), 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/QZGLM2446650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5391cd23b9f2b1a1dd6af12782f03576c2157eaee510c8abbab800c01c5a8e06. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZNJV2437893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccbad344b7c1720c9f65526e97f00606f2587d515419d1ce6cdd4afff85a3ee1. 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/QZTPX2462060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a93e6cc3178db07b0a4dcdad0f4d3cede99338eaaad23f951bb4ccc3f5d4b19. 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/QZTPX2465825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x626bbb8e6f33b765d0da13ef44e668968f636102771040549846f08f78147a7d. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T23:58:44Z), 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/QZW9L2449548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x499a25788c786cefd40832dcbe453ec762400ac51643427956e4c9ba95a682af. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/QZW9M2408873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57918313750d52f53faeb4cb32905eddba4c3a3122f4ec7db66d17a42d090ae1. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:48:42Z), 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/US7VG2507497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf045076e973518a6cd35637d4f43c693014cccf54090f702ce5a3cc9d8aa2a25. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZGLM2527952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1819ddce7e0cd8275037126f2dd3dd29f23e813a0dc82d207834b6f739e72af4. Chain 2 (Bitcoin): anchored in block 957741 (2026-07-12T18:30:59Z), 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/QZGLM2590996.