Irma Consuelo Cielo Serrano Castro (; 9 December 1933 – 1 March 2023) was a Mexican singer, actress and politician. Famous for her "tantalizing" "untamed spitfire" voice, she was one of the most noted
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 0x7254af371171b7673b71ecff6bdde23a32b87ee1b1f1e36fbb34f0b0a9c33e21. 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/ab0fb91b-8abb-42ca-afa3-203e8b09c806.json and https://artists.proofprofile.net/proofs/artist/ab0fb91b-8abb-42ca-afa3-203e8b09c806.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 0xf258de7daed5314b8cc1ef9699479441b2724ee8b9198e4e652b2d06d740116d. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/MXF146400242.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x951e30f645f9a4b70771e1161d8fdaacd0532ec6dedf1802b8820c3a79bc305b. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T20:25:13Z), 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/MXF146400245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4ccad41753b31bf2c3aa909b4cfe1329bf1f1071f568c755a313552f63e1050. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/MXF146200175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ea3e7a7de851687cecbd2856368921e128d724e6fc5585f44267b139621a21. 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/MXF147400178.
Corrido de Lucio Vázquez (Los Pavos Reales)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd9cd8b92b20d448518585a535034b60712e55dcdb4f65fbc4fe72a871b9254c. Chain 2 (Bitcoin): anchored in block 958880 (2026-07-20T15:26:24Z), 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/MXF147400180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafdeea48268272964f4bc1c43e31d210f93de9db98272dc9a4624f7009f618a3. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:18:08Z), 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/MXF147400182.
La Gran Colección del 60 Aniversario CBS - Irma Serrano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc794cf9bcdfa6369cb5c65efc3bf5ea3a6dfd0722c8cb94b5cd3564cb23eaf25. 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/MXF146700027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad6598adcdc5aba6fe95cf77ae69215421dfce12f73f16ff8a11a0d8156a2a3a. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/MXF146400061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10da45931020d85e77780399e32054f408ada5ee25e7c61d73cedbab1f76ad73. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T18:19:35Z), 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/MXF146700028.
Yo Trataba un Casado - Tema Remasterizado
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d4b2eed7430646c57decaee15481f99d6048bc73b6d7e8f73048581a2f617ae. 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/MXF146500067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9095afa46ddb0e74075789ddde1d0d6bd0bd47d03824ddf847c627b6ad3e9bd8. 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/MXF146200174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b60fd4985833194f2e727224a03a4406d13184358f1ced306fee6668b987f02. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T17:19:46Z), 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/MXF146700029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c26a876faec13c0c4dcdac90eea1244b4c146705c4581be1ae5b9912f075ce0. 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/MXF146900107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf930ab0d6aa956203a398de0c345cba2f8d9dc4abf5c9a65a44b99c8c2ea9a53. 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/MXF016400392.
Siguen los Exitos de la Tigresa Volumen Uno
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x900bc4feeeaaf25e456c41963e2c83c5fe941e5685c8bc77e7919967ae451b9a. Chain 2 (Bitcoin): anchored in block 958785 (2026-07-19T21:40:06Z), 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/MXF016700602.
Siguen los Exitos de la Tigresa Volumen Dos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b803ca0e6d38c0c48284bea6225e6896e38463351664c5eb54b2278c3013370. 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/MXF016700524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b05301b89d556de54f168eeccdef85d9886afb6d9ae7684d028eb7fe532d1f2. Chain 2 (Bitcoin): anchored in block 958658 (2026-07-19T04:09:09Z), 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/MXF016600527.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7984e2b36017e6b7136778a536e8b2522212be35a1f3ffdf6aa4a1b8d0f262cf. 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/MXF016700525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03b7ce8f8453305cfab4e97986b3430ab0af948196c258be6af5969132ea49de. 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/MXF017600256.
Exitos de Siempre al Estilo de Irma Serrano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d49dc94bb1eb96560e7705e4ac4d0e2250a14ea64ea486141d168de8973e941. Chain 2 (Bitcoin): anchored in block 958529 (2026-07-18T09:21:41Z), 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/MXF016900319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48eb0e7f80c1ad9ca88119969b93d6fa704d6dccf52b12be1b20bdd53693ae3a. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:50:21Z), 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/MXF016500416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aaa9d53449d79e6659fc9c804c7f5ace022781a965aa870db6c40f21708314e. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T19:03:00Z), 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/MXF016700627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3045a3ef75dbef032dc633f746f30bd4eba1d5c00dd324f4609d170f8d841d96. 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/MXF146300078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4ccad41753b31bf2c3aa909b4cfe1329bf1f1071f568c755a313552f63e1050. 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/MXF146200175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x303cdce8be674fba043e80ef694554baa4a179aba3c1289a6d64e19e36f7eb5b. Chain 2 (Bitcoin): anchored in block 958529 (2026-07-18T09:21:41Z), 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/MXF146200173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9095afa46ddb0e74075789ddde1d0d6bd0bd47d03824ddf847c627b6ad3e9bd8. 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/MXF146200174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf4bc7757cdf6101448586edaf078425f738ef8ed22425faa899747b4ca08f6c. Chain 2 (Bitcoin): anchored in block 958585 (2026-07-18T17:05:16Z), 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/MXF146300197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2082dc32a63dd36caafa0fb384b0aa6f8723b73b3e97c689a49cea40507929bb. 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/MXF146500147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc82697cc3b0ebdc85500806663e102d589c85d6fa9b9aa852f7e3dbe7c7bf78e. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:46:57Z), 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/MXF146300147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x713be0ed5bec277520a89698518dcd31d8c673af367537e37fc6e87953175825. 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/MXF146700138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8efafddd684e5cd2ba66d385f607e28397a983b9f6fdf05ecea0dd9d446081f3. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/MXF146500149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66c5501f071d9935169de90c3fbd9658ab3fbd98c1f5106253a60f8bc5eda1d8. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/MXF146500148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x992d145b41b075135ef9187c2749c987877c8c033cff65be68cec7115fe0e77e. Chain 2 (Bitcoin): anchored in block 958865 (2026-07-20T13:01:39Z), 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/MXF146600002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef3a78572a00b2532e54c1cae6eeb54fc13731aeb4750cdf1f06e90575df4bc3. 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/MXF146500214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65f4b58e8bfd32cdcbd07f7a36d9509e7a47ef430fa242301868e8952c4b707f. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/MXF146500215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70143e3d636c1931ddfdd1e63797072e9290860b06241b4acc5458495843142b. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T07:10:20Z), 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/MXF146400121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x965346a08c5e68f3c166939ebe1e370a5438b239a5c13c0c517a89f45b047f4b. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/MXF146400120.