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 0x9666203e2c8d280ba4eccefcf27b6e302865d2296cde9394c22368e62e89a88a. 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/4b0d6d28-bd6b-4fde-835d-7711e6149f24.json and https://artists.proofprofile.net/proofs/artist/4b0d6d28-bd6b-4fde-835d-7711e6149f24.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Manon Lescaut / Act 1: "Ave, sera gentile"
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 0x1f1916f001bf4db3ddd2f7e8432d7cdb1056df6a04b1bfb88d01fe6c9349d04e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ041400044 — a six-check JSON result.
Manon Lescaut / Act 1: "L'amor?! L'amor?!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0a18ee6ce9d92a7f6d9708ef4580f15da40355ac757df0098bac680da5e5342. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ041400045 — a six-check JSON result.
Manon Lescaut, Act I: Donna non vidi mai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ab5de138182360af095392647b610885689ee892eeb1a607e5e9fd14b18f9bc. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ041400050 — a six-check JSON result.
Manon Lescaut / Act 1: "Cavalli pronti avete?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f35b8451a2665c37ed7ac3143f720b9cd487bd45d6c6e566d65aa1f2eaf2c4. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ041400055 — a six-check JSON result.
Orchestra of the Teatro Massimo Bellini, Catania
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cee768efad2da418f757c01382f38a19ded5c49c5e091ddcc298401f4ad566d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500043 — a six-check JSON result.
Pagliacci / Prologue: "Si può? Signore! Signori!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5441b99e7b55af9731f45110cc40afb6e43ccbbfb3150b9823423c139e30cc29. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500044 — a six-check JSON result.
Chorus of the Teatro Massimo Bellini, Catania
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd41ac13756a6732feacba92edf1437fd4025029df748e15aa0fb619eddf635cc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500045 — a six-check JSON result.
Pagliacci / Act 1: "Un grande spettacolo!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc254b01e51d5b14ea18e254cb7a46e2036a2bc867ab95e484c44619f82751f2a. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500046 — a six-check JSON result.
Pagliacci / Act 1: "Un tal gioco, credetemi"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71a2f8b5aed19a2e8f8c6856f23853d21db8b4157607844a2987e9e0e24c163f. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500047 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2af1598775204fa6b60a5cfde4f714006a7cb41df2a13b0c27e7a408748096e5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500048 — a six-check JSON result.
Pagliacci / Act 1: "Qual fiamma aveva nel guardo!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d591a76a3f6ca940cc534bab2a5354fb912f25c89c8841179bec0dd6040851c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500049 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3348e35250bda966571f5365afa97c1cfae5e100830c2505f81b476c308c53ab. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500050 — a six-check JSON result.
Pagliacci / Act 1: "Sei là...So ben che difforme...Oh! lasciami"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5ab68cc0d4c1036cfdd29754de91d9c0deed0a1c0dbdc2fb9b9f906be87f520. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500051 — a six-check JSON result.
Pagliacci / Act 1: "Nedda! Silvio, a quest'ora"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2cb75ae4f25fd4d41061f007c12845f99ed3b30e89a0cd6ea0ba7f4448ae9c9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500052 — a six-check JSON result.
Pagliacci / Act 1: "Decidi il mio destin"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49d7c910a49669e14acb96f1d6b7b69e60fe8b6d7c7be99afd30441e074e299d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500053 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2e45671f5f9b5fcd85a7b156cc390804d74286a8a61d62206a61f6584dc1e96. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500054 — a six-check JSON result.
Pagliacci / Act 1: "E allor perchè, di' tu m'hai stregato"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23e456c701d15c21ecf1d511ea366e01e93acdb2c90f9b12b83b6148c195a0db. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500055 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcabcc31d9e6da2a4415454daec17d6d17e8b9403d59bd3e16e1ac1942187eb3a. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500056 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf04444948443acb5f6d432cfbe002ce9b48ab08a6a63e4ad19705293a84bcf13. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500057 — a six-check JSON result.
Pagliacci, Act I: Recitar! – Vesti la giubba
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d20d8e4f1f71001c06e3b43f84609988171961b0beec7d9cf3dc41b764f28ec. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500058 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e1b2800d0c21c75fbafe2f60fa7c1f6549d92016433c6c71c0e112b04c9fdcf. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500059 — a six-check JSON result.
Pagliacci / Act 2: "Presto, affrettiamoci"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfc71b592166cde2111d37377b88217cd66957476dddb7311e7cbef245f62218. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500060 — a six-check JSON result.
Pagliacci / Act 2: "Pagliaccio, mio marito"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9b7b5c6691c679d8d4a8ffec8dddf95407defcb7a5110ba0ab6ba86d2e132b6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500061 — a six-check JSON result.
Pagliacci / Act 2: "O Colombina, il tenero fido Arlecchin...Di fare il segno"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ece53f92ba67b85c5e860c6d77472bcbd22a684a80f97a9061daa397b247a3f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500062 — a six-check JSON result.
Pagliacci / Act 2: "E dessa! Dei, come è bella"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba051b94e58e83696b89c386c17ce42efefa47a6e5a7e4041cbfba4404e8b7de. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500063 — a six-check JSON result.
Pagliacci / Act 2: "Arlecchin! Colombina!...Prendi questo narcotico"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59793f3594b38c735f54b8bba6c63441ded0944ac8b44be159b575ad36b7107b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500064 — a six-check JSON result.
Pagliacci / Act 2: "Versa il filtro ne la tazza sua!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8207707240a805848c9c8e504c598fe91b0ce726a282dc11f2b40b545ff7ede1. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500065 — a six-check JSON result.
Pagliacci / Act 2: "No, Pagliaccio non son"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8040f709ff6e55d6e4fc11313f20c2b5e0f62cacc72f5e5168faec8dbe9843b6. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500066 — a six-check JSON result.
Pagliacci / Act 2: "Sperai, tanto il delirio"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96919902ac1efd75a7117d4e28ab414f42552095fe68ce044314932fbebd4726. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500067 — a six-check JSON result.
Pagliacci / Act 2: "Suvvia, cosi terrible"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17484dc9e0613dc7d9499be39ff5b9b7267ad1c30cf251b7aa0431311c262423. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040500068 — a six-check JSON result.
Bacalov: Misa Tango; Tangosaín / Piazzolla: Adiós Nonino; Libertango
Orchestra dell'Accademia Nazionale di Santa Cecilia
Coro dell'Accademia Nazionale Di Santa Cecilia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1faa5cb8c1208553bea2de3b0cde8d5194d5c2ef1fd672217eb8e075af799db. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059904891 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x922a6afcb84abc5197d5a8c667e33b409fd1acbc744aa217fb683bfeb8a2b4bc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059904892 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef68808227c609ed04a19fea5acc282ccf719d3cb10d20187274b77334cdc308. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059904893 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fa40e1b6343fb856f1ab1f2664ae001ac43e69e8ae11e9fc7a5a49fba9b2678. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059904894 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4278420c0d1b0830d6c5216b597d7e81dc68e410c6b8c5de3f4113ab44ff81c6. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059904895 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7760b2ad8c3c831f0fc0fe235eb311e3ca0f82f5bb74cea4c4c44661045ab119. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059904900 — a six-check JSON result.
Adíos Nonino (Tango Rapsodia) - orchestrated by Luis Enriques Bacalov
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x241668ba7011110d602c5b6074eee331f9669fcca2af3d6e597553b931bf0c33. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059904910 — a six-check JSON result.
Libertango - orchestrated by Luis Enriques Bacalov
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e3cada18246f230c30246d7b4fd655809679d94b2bf275d786c309d79c481ac. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059904920 — a six-check JSON result.
Mozart in the Jungle, Season 3 (An Amazon Original Series Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x372965d5bcec1672f62e4aca606e47438f48fade14bc6037e51f72ccb0217483. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190554501 — a six-check JSON result.
Don Giovanni, K.527: "Là ci darem la mano"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x345ffedec2a37f4991817323eecf53016d0c55ac01a5499ec3a3d6f49cd34094. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ57D1600028 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61dd24591e166856bc10ff11a29f2d5e4c3a754d50a0d420ea5602bc11871f98. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ57D1600031 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61eeff2e3d8e668a46e6f00f3363fb82946a51eeb58901e12593c05c301eb45b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ57D1600029 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a52965ae160b804326927946dc54fade9f81fb4c80735f42e217b0ee35ba792. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ57D1600030 — a six-check JSON result.