Ali Ibrahim "Ali Farka" Touré (31 October 1939 – 6 March 2006) was a Malian singer and multi-instrumentalist, and one of the African continent's most internationally renowned musicians. His music blen
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 0x81a624b575b2a99bef52923ab8a4c4ed01a9e006c920d013abad968b48a48161. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8e28d511-39aa-4bc1-abc0-d0a5aeddd461.json and https://artists.proofprofile.net/proofs/artist/8e28d511-39aa-4bc1-abc0-d0a5aeddd461.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 0x1a78e25158371cf7c3e50b60b249cc69806d9500689fca3a884416cb35d00bf9. 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/GBBGU0607001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1049b935715dcf809bc4d4c18550d9f23bc08f9656ce28b6f13edb2d06b50f0. 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/GBBGU0607002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c16fd7a9ea405e79b6514d79fb8c88822bac5e7ac2116aabe83264e25f449ee. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T15:35:47Z), 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/GBBGU0607003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x230eb6fc8faf1b8d8a509d362b3e5cfff7452ffcbc56603d8661270a67724bbd. 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/GBBGU0607004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc35a88764ee814bbd04174b8c3287c2188f31ecec2ca646877ccc8101f1711f6. 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/GBBGU0607005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bd13eb82e7018e4feca308b3d9d9a69eed46bbe22753599b0ec3dc97d510cdc. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBBGU0607006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b16ed45e915e3c84629499ef988b9e200eeae2926b757a1a12e22f9f7aa299d. Chain 2 (Bitcoin): anchored in block 957874 (2026-07-13T15:43:57Z), 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/GBBGU0617002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb479bbadb7ce2f9e93d662227c5b72779ac4c62fff88d23c3e2f8b251a2900f1. Chain 2 (Bitcoin): anchored in block 958122 (2026-07-15T08:02:29Z), 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/GBBGU0617004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9be6d5422325a8b812f7110c2b549a8907f08084de777dc5670f571d0d9d1355. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/GBBGU0617005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e21c9a793d4293984f783452f2ca1a9b37f2b6ed1ba938bb3f28aa355a7d6c6. 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/GBBGU0617006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b5826f5bc113302a517534d12c034fbc602d38a6f9e2156394642996802cf72. 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/GBBGU0617007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86599baf429be5e0a51e11566c9aba42cdb4f2520c84d2e89c44c6af74c11d1c. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/GBBGU0617008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b3d32bbbedfe3eb0064a76813a8cf5166872da227e76230f32a6c00ac950305. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/GBBGU0617009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5390caf42c5af2134e4581937080b52c397f6dd23b810adf229f5da180cbf0fa. 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/GBBGU0617010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc62972b76c107ef4e64775d9c749e154bca97a996e6087fa8463ded3495df8a4. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/GBBGU0617011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x184c8719e636b454d99a4a3af51b5d168e6acb4378f13c4b3ae3b9fc520f7fd9. 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/GBBGU0630003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7f0a45c23b728661619baa343f8500d9fb8b0273a65a551267a3ea115f0501c. Chain 2 (Bitcoin): anchored in block 958124 (2026-07-15T11:00:28Z), 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/GBBGU0630004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43577e54f3fff35c732cc567b0ff9ee9cc0d1422c7f0fa489fb4c3a856835185. 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/GBBGU0630005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cfe15c5127bb72428c2594d13e917204752c720c8fce8d5d095cb1d075cdc69. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/GBBGU0630006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7033ec96f953fd3ebe4379cbdfedd39f6e34603ba025a63a73215cb0f7f29cd. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/GBBGU0630009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd043916238ee9e7aceea71eba4af62f5be01804100f4ad77bce631b7c9181b27. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/GBBGU0630010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59a4c35a4d2ec3da5907ae81f2c29227dbc39a72c5b2725bf17e6cdd8f49bb33. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:01:42Z), 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/GBBGU9600744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25fb2758f939b6b110266dc8ab9edb2ae4d65cb89957935e78267414e70d4ebd. 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/GBBGU9601044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c48101ec3d442e811b0c7423c21c0c605464b772077a2d1b219d05651856184. Chain 2 (Bitcoin): anchored in block 958130 (2026-07-15T11:25:08Z), 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/GBBGU9905403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14691820b31112fa2e8975b02585b0406a84687fbf9fad204e7f81d04a7a1025. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:07:55Z), 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/GBBGU9905404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e9c21c552d13721aa2bcfe59e0b9b92716702edac58c66d244ffb9ce4f83795. 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/GBBGU9905405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e5a1563b26cf460dba806382d666023fadb80297687d85f36cd3e959b46f2db. 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/GBBGU9905406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ed8ac58a24b53c54e2386e1c93e4d39b47a45fa2d7e64b75baad34550a3750d. Chain 2 (Bitcoin): anchored in block 957876 (2026-07-13T16:00:32Z), 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/GBBGU9905407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9600134296ab666b65ec044777f02005e33d6386fafd07b70b85f57f9e578ab0. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBBGU9905409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad7c695d34c151e23462861a5bc6c10761bf8bf78838d92b20eccf1364c45890. 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/GBBGU9905410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf89426c56f69ccd93c2d56c289cbb46be72b3f6cac834970ca064b74bcd0e2b. 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/GBBGU0470001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf89426c56f69ccd93c2d56c289cbb46be72b3f6cac834970ca064b74bcd0e2b. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/GBBGU0470001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd595d25227ae174ab13ccceaddfe96d6141f6479f51c29c2bd895c06d692439. 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/GBBGU0675001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc50c6efd694cbe945ca2f3e93c42867b119cfb56683b312a39d0ff178cc78ab1. 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/GBBGU0675002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe7ba3dcc3bb84679154359bb9d68d751a603141b3625d241f28220692258815. 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/GBBGU0675003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x330fc734c81f2809409acbea39e76bae3ec401a2636af3f63d8ea23be0ece802. 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/GBBGU0675005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1c52f526396e337961e54f35586a83de6a04220c734a321aa58528f70e2f090. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T05:48:33Z), 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/GBBGU0675007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3918085eac2bdfdef5cbd3daf0bdf21475ab3fe9be3059c792f42c20bde6e69b. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/GBBGU0675008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x050a92801da7cf301938c363cd47bb6ca0f53caaa3bdc9a048b4bd6e23031558. 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/GBBGU0675009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20acc5ded3dae5c5f1f3c2719f9031c04928be283fe870eb9f732dc2917e5144. Chain 2 (Bitcoin): anchored in block 959009 (2026-07-21T16:05:50Z), 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/GBBGU0675011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc013573041e743f82ad46440b9df4b1de018e50646dd0b55fcdb85b74e76c55d. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/GBBGU0675013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x033c2940570bcba0a2500aa243d03c7a73ab9977e46c2ad1fd39d9530f979dc5. 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/GB5KW1901975.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05d8cab2a84de3c88b20234e5673b45d61152aa2cb65318efc0a0b77208d944a. 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/GB5KW1901976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8fe2abb5ee4ce0ba2b047c92b3cd7cf8ed8c3755bd0cfadf9b830d5f4b5531c. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T06:33:46Z), 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/GB5KW1901978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e4cce107d61a74440165852d7eb9f5c95d9972ab9811b52d8b3fcc9a31d4b78. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/GB5KW1901979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6715d5cf96b71b985f87d697e4280b52aa45f31906095f18bae4060c1e3e6a9. Chain 2 (Bitcoin): anchored in block 958873 (2026-07-20T11:48:10Z), 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/GB5KW1901980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8c76cc4d177509d4dc53650605cbd07cddf01e38669fcebbb157f20abbd1ced. 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/GB5KW2202316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38d5fddf037e801b518a05da3186bb433bbc11e6e377fed82942ac31c358e5d5. 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/GB5KW2202318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0710e5dcef964871c0134d278045e4b7e5f019a0dfecba79b7ec57ff3e09c21. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/GB5KW2204453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6837cb4da4f6a2ba85220db7e79038fc7a7bbe56bc198b2f21c9e4ecc490b0f9. 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/US6DR1101708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcca91fac6bfafa030a842b3e59433d13596d7821e36915e26f4db9b674fc4038. 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/TCAIS2419857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebe47edf5e373612d50265df959833156340227f1945b30e944b5eef8e1bff11. 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/FR35Z0203110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1df40ff6e0a5549c15fcf88942daf848bcbe34248fcc581feaa927bfb31ab733. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/FR35Z0203020.
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 0xab4de29055c6c920353f2ef5287a4048faf1947c07a9e2f2fbcedb4fec45029f. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/FR35Z0203140.