Soledad, Spanish for "solitude", often refers to María de la Soledad (Our Lady of Solitude), a title of Mary the mother of Jesus in Roman Catholic tradition and a form of devotion. Soledad may refer
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 0xa3ef1a679a6513cbdbe9e8400030ecb6f11552516d7464ca6d44a34c7a2d70b3. 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/e675ab6b-a55a-4ec2-a24e-6ac924b11ea7.json and https://artists.proofprofile.net/proofs/artist/e675ab6b-a55a-4ec2-a24e-6ac924b11ea7.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 0xf86c0da53308fb5dd1b91dce75e99584abcb8431e430a07012c4070162926722. 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/ARF109902640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e88adf9858b42777158c54e174f7edbced523821513cb9db4978d0c6137a160. 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/ARF109902641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a4e8f36731de69da0f0bc29f733d351751edadc1bf2be4308c32295f74cbf44. 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/ARF109902642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x831796cc8cbf37edb53225b8ca8e72833790253872d45e3f277fdca4e281b39c. 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/ARF109902643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3440ac31b7e0aa7141958eec2a9c9a4c69cdf3433c2ae4c949cbe6b546f3c59f. 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/ARF109902644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d0d161b7d6cd8ab387350dcc1d1b5688c5d2272a8bc5718d6edd92c972521fb. 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/ARF109902645.
Chacarera del Cardenal (with Natalia Pastorutti & Sixto Palavecino)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed53f9cf17be8f09d2582346d695ecdc6c1855b721196b5dd5602da4d1fa76e7. 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/ARF109902646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5db865d1551aba39c0074bb2f164cac211308acc14f8f1b152ab7c0ff6cc1e4d. 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/ARF109902647.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbab2f7ac246468df89b73a038f9cf4e7eb547669a21ac387b6e7ad4d4e1b21fa. 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/ARF109902648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cc6d8aa177a9939ddd8f2c53a953e6b0056f5f3e3899d0a45b08f1b4cc878fb. 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/ARF109902649.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66e71f4836dcbac1b4859e174c580bf47dcc0727d4345e7fe0dc9f17626f8622. 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/ARF109902650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x871a8d54cea7bdc38c10f46154fa1cd026bf5ff04e3e2b5a7356c34d01264283. 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/ARF109902651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb60e731964bbdf8682d9ae05de53b1209bae8e7b14ca5f39d94f47803883afc7. 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/ARF109902652.
Una Noche en Nápoles (feat. Lila Downs, Niña Pastori & Soledad)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x847a730c7b0a7e0086dde20ee75472ffad52030599ee194dcd1ec99501b3c1dc. 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/USRC11400607.
Agua, Fuego, Tierra y Viento (with Soledad)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8ca3d40401de0a0a9302f8e7f067a82e31210175825159fc063b53f35541227. 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/ARF100900069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7776750fed7b85f545efae117463bb1a6e00422b226afe09d5036089924045b. 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/ARF102200219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x168a7b651ba65d670cda6df832098104695de114c10cb6d46f113d0a5eb14206. 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/ARF102200305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b005d7bb9a5222cabc7bee7ef98c3335cc74eb9c495eff5943a3d8a0a546022. 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/MX1722001151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77b9adf357a5867723342155cf09ea1080fbc5f53bf2cbe7e479138c045f771e. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/ARF101800035.
Argentinisima Vol.10 - Exitos De Todos Los Tiempos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d82205d1189d70fbb15dd7b2094b1995fc2e57e50abbbeff5a4497a1dc33e50. 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/ARF109600094.
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