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 0xbb300a29d5f008374f53c3497d294681b3f688d9d400f7c3c2fa82aa3ac43fbc. 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/d9db2c4c-6c1c-4ba7-abba-6a54d661b1f4.json and https://artists.proofprofile.net/proofs/artist/d9db2c4c-6c1c-4ba7-abba-6a54d661b1f4.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 0xa05033e10a49c1de8c1bce991fd84dff80833f00fec09ccb06b77f5b849da599. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/ES5352406677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0c12e8dd3622b0d8e23055b27d9cbffad14fe5099e8a08e8b200bc63847341e. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/ES5352406683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x301f77b4bca50f9af4a9a304f65fb8a67818dc46fbcbd31c634f0fc22fad8268. 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/ES5352406689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30e2b3134a0963a3e1091957b908daccba99098e3b255e503d07ae0f4d75a513. 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/ES5352406690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x266bf900f8b35d90f7d312322235ccd44c138324e1167835e1e4ede4ae60031e. 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/ES5352406691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5ccd39baf6a3f0de49bcf72545abcd622dfc640dfd8046aaa765a074482e0ce. Chain 2 (Bitcoin): anchored in block 959069 (2026-07-21T22:32:59Z), 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/ES5352406692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x494776d408abbf42096ed58f2d5d1451ed2b59c67f3297fe168ad71626f4642c. 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/ES5352406694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0517b181fd4404aebc5d6029937cbc18b2f9159b59f12beac98b63649300b3f8. Chain 2 (Bitcoin): anchored in block 958493 (2026-07-18T04:34:53Z), 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/ES5352406696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a76d35720e42ca6dd09abaa02cd223fe82ded513a5e073b0d34351779233ca2. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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/ES5352406699.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d33f99045b0779c3ad6656c8a1d955b2f9ff8844358acab781fc38a6be60fc3. 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/ES5352406706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50af67dfe2e26c71342ca305039390f611b5a391a36ab9d22756deb2ea5f31d3. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/ES5352406707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1952899293843e4261597b3b131ae7d9e6191a900536c8147cbc1535c39772f8. Chain 2 (Bitcoin): anchored in block 958218 (2026-07-16T00:33:33Z), 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/ES5352406708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5157fdda56652d70d7ac2be4fb32fefc80b687cfe275b039f1313493c436614d. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/ES5352406709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b81e18093035a772e5c62d1bc20b91d987b79efc02b04a51511d8dcfb3ef580. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/ES5352406710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x921a16350d909cc0fc53aa9318de4c7d8222809d6b94ecbf22f46fe2d7f26fa2. 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/ES5352406720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23f0686a91c75940a1e280d9cc9501486818c18925d269eff8cb8f0b073221f2. Chain 2 (Bitcoin): anchored in block 958554 (2026-07-18T13:17:01Z), 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/ES5352406725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d5778e49714dcd9ed3cdcb81686407f5f7adc75b1a57975b3ec7ee24a2e97a0. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/ES5352406736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76c3e2a339096029ab0b5f51d0511e00e9fc7b908e877e3e1b0498abe5a771f3. 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/QZES81887840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf12d91dab4fb9902fa093513ea905f1a3737cd90713c60d9d0b31cea0ade56e1. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/QZES81887842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9226bd2201e1cfd765a2c3742377c9b69c8ee354d91a32885cb1de5ba56e7fb4. 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/QZES81887844.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ff7d03205f1c7ab2f76c1daccd054e0385e86974a442ad16bbf507171bd08aa. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-02T22:05:07Z), 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/QZES81887845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8296787b8f1b918b4f2a7ffa45744e6001db6d3d4b6e5c3dd1118661ec4999de. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/QZES81887846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b02151f4f2dcd4c336be479717618b854fbbb1682224732675e5c1020c65550. Chain 2 (Bitcoin): anchored in block 958720 (2026-07-19T10:53:46Z), 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/QZES81887847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe47abc4cb8a91ad1a589d7767abfe2821a2772a834a8dc2f11fc78b41de45d2. Chain 2 (Bitcoin): anchored in block 958378 (2026-07-17T06:45:39Z), 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/QZES81887848.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fbf3ca9923a80efc9011d59b8c68f696d30ba7d15c70debd2d1e3bea9b30a20. 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/QZES81887849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3df4512e754d0a28cb5d6e5e30595df4dd636771a1be4f654627e45397b47118. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/QZES81887850.
Banda de Cornetas y Tambores Centuria Romana Macarena
banda de cornetas y tambores de la Centuria Romana Macarena
Centuria Romana Macarena banda de Cornetas y Tambores
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c1de140fcfc8d5c502096348afff0b33d6098ef9247371a31e21ea921d6cf2d. 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/QZTAY2250726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ccdc2e343c06aa6345146b080a8f41149700d13be7e7c9009a7f37ceae26090. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/QZES62344524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d1919682b13a968db6c4ed941607b07a6c8321a50f09b34e584511de8246950. Chain 2 (Bitcoin): anchored in block 958561 (2026-07-18T14:22:01Z), 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/QZES82347688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5427399013c45f27b20721e905b88d567236d19df5d675f06a32ef8d320e9a47. 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/QZWFQ2379246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42f46560e3a4a8dd275e8c43e828d0929c5e680626f9c97b2d560420c3d3a6a0. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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/QZWFQ2379241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf68d5bdbb8ad80e733225148d8e88aff99e5fab58a2ad0ae83c073a1b321b29b. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T02:28:59Z), 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/QZFYY2412685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5b70db1a7850fbd747cf271b5fdcf4c89dbc45b72a6765b41ce525abb18ba3e. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), 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/QZFZ72412250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce0dc4bbd3ed78094a30a88abc5426cc5b0f9ed6cce65c4c19158721d718ad72. Chain 2 (Bitcoin): anchored in block 958395 (2026-07-17T10:10:33Z), 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/QZHN52413190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6655d45bfcfe982ceccc727ba17104301db004198db5964c4b7298d9bfb9a71. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZHN72580209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x702d487dd3e7c789b3009e6a241766590c40b3eb359c526ae0b7a5bffd13a3ba. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T02:28:59Z), 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/QZHN72577902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44790a4e9df1c280e8a49270b7128c1be9c1060d0652c4d2139893fefa6d5007. 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/GBWUL2573064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8aaf345a09e7a7b62398507f3f02d68afe12e5ec0660c775ef144777081ede5. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/GBWUL2573050.
Híspalis (versión piano por Jorge Lecco)
Eterna,Macarena (Versión piano, por Jorge Lecco)