Hector Varela may refer to: Héctor Varela (musician) (1914–1987), Argentine tango Bandoneonist, bandleader and composer Héctor Varela (author), Puerto Rican author Héctor Benigno Varela, Argentina mi
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 0x7bb82e589bd077db7f9f559e77bc361f8ae39469cb6f4410e9306f2718fc7549. 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/dd319136-b3aa-4d96-a749-1f905325e143.json and https://artists.proofprofile.net/proofs/artist/dd319136-b3aa-4d96-a749-1f905325e143.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Los Más Grandes Éxitos de: Héctor Varela
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 0x069783e7f4cbb40e2f7d4051394b4b6ccf5f2a336061c96715c46a2227bf9c83. 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/ART340900189.
Primer Beso (with Argentino Ledesma & Rodolfo Lesica)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa92383f9a84498462b7a7631564672c600ad2ba1e05647dcff4e110fe9b8ee52. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), 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/ARF100200164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa33d007084c8518c602e671c4ecbf01722bb6e9774b795ec64a3913d6e85e8b7. 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/ARF100300445.
Yo Sé Que No Me Engaño (with Jorge Falcón)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dd072ea99e581e48273abd26e1f370e20e6e421aa90d98d59e3496c48440c7c. 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/ARF100300465.
No Empieces a Llorar (with Jorge Falcón)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5bf049ae49062353c95e8e5d077ad0009234c563704eb956d3b990897731081. 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/ARFSB0700199.
Así Bailaban Mis Abuelos (with Jorge Falcón & Fernando Soler)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11e9e13e0919f9967ca47406c5f6a1ae8500720e90b6043448e34c7f9627b3e1. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T17:59:40Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF109901904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb682b471abb26cb276e9578adbeee7cf250d51db25912a937fda25c9851948b2. 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/ARF109901895.
Fueron Tres Años (with Jorge Falcón) - '79 Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9bcb13088949ac55177b099bb2589840ff09c56dc4c267a585719ecd22ca0f4. 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/ARF109901843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27a5c8421bb153bda2ef69a6d4f8a87632ee00675459ff0e9c58278e81b1a834. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/ARF100100488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f56a640f29484604957fb2a700c2bfcd10bd0af9008e1b80b15ca547d640c3b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/ARF109901914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e9e058dba12bad0b1149f98d616dcc2740a0005c7734ac5ba8a994d348d0962. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF109901909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6b610dd028eaa0e874c7c255814c8f1b0a5cb5bed3567ee5e121c30e2a46050. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ARF109901911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb682b471abb26cb276e9578adbeee7cf250d51db25912a937fda25c9851948b2. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF109901895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b8d40b61683c73296cabe860b2a6fe1c8c45856bf5fe2dc4a24b96be9151cdf. 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/ARF109901912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27a5c8421bb153bda2ef69a6d4f8a87632ee00675459ff0e9c58278e81b1a834. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ARF100100488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f56a640f29484604957fb2a700c2bfcd10bd0af9008e1b80b15ca547d640c3b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ARF109901914.
Historia de un Amor (with Rodolfo Lesica)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b4deb123062026b9e1bbd7ce40164e96b6f5338379e193b7ab1b8850f7ea150. 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/ARF109700674.
Una Lagrimita (with Jorge Falcón & Fernando Soler)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b3a5bc2be5745a030de0eea9048996730454dcb8c43e23a578734d5746fcc84. 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/ARF109901898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e21bcebca347cf19792b7af27ccd4b5229f5ad72faf1215bfdb5493ddf90125. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ARF100300271.
En un Sueño Te Perdí (with Jorge Falcón)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a925eb648a2bc4eef9b49f2bcc6b8dd0fb7a7cafc387072fda277d8ff89f4fe. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/ARF100300273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb7176a1b74d68c2d2a247a7021bb5496e15853a369384036bf3a6083609f12b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ARF100300274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69267ef922fdc92dabfadb44fecab48af0c16765a3cf69df09dff52b70756263. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/ARF100300276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bd61de3b7fcf509b3e966b47c8a85c36bb44094e280e6a13a9a149cb13d3887. 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/ARF100200166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9bcb13088949ac55177b099bb2589840ff09c56dc4c267a585719ecd22ca0f4. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF109901843.
Y Todavía Te Quiero (with Rodolfo Lesica)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ff4e372031ac1ef2cf6de23dd5317060827dbbe616d0f1a7a8ff255acaca4c6. 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/ARF109901908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31082c25b9fb5121828bd049ac8e8d8ffaf90ce479e06c634f2d6018ee274f8c. 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/ARF049602322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c841332ca3394442718fdcf0bed45e1e37f34d20642b4b903e3ec23ca8d6b2b. 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/ARF049602323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd86e7287fa7a8e1c79b41414e95e5217bb175687eae40689d409641411d8dd00. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T14:00:13Z), 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/ARF049602336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27a5c8421bb153bda2ef69a6d4f8a87632ee00675459ff0e9c58278e81b1a834. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF100100488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1087dff3f508ecf11a576478b9e5fa6ae6ea3df63f7dd6b0937f74abf2f8228b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ARF100100478.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeff2733a779ece59072191bc45568d05a61fc8537f6b74c01e55cb2d0888a81. 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/ARF100500091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3695346334617936b9c2d037898364b4f99241207cb930e384cf4686b519600e. 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/ARF100500092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b4deb123062026b9e1bbd7ce40164e96b6f5338379e193b7ab1b8850f7ea150. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/ARF109700674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ff4e372031ac1ef2cf6de23dd5317060827dbbe616d0f1a7a8ff255acaca4c6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ARF109901908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0fadacbb2f046ed29eb243ca2a5ec2d5ed9592e5ec1df7116f3ca8d70affe72. 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/ARF100500095.
Tango Master Collection, Vol. 3: Hector Varela
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2753db4b4f376966d9f15e909f7f0eed6f353ca09ca125348412126c1ba8a070. 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/ARWRW1300231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69a3c707175d534fa517fdab4851a6da366291b472570d8a08b98ba5fee22ad2. 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/ARWRW1300232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd062a21cb11567616d718aede1a065427ff05ede3ef6263bd5501c8c0f411446. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:33:40Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARWRW1300233.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x785b48e078b19c0c14bae65cc8a90c13b7f1ad897a49e114b59a8712395bf1cc. Chain 2 (Bitcoin): anchored in block 958531 (2026-07-18T09:39:18Z), 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/ARWRW1300235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2af28b8432ad3133060e1cbca616c199c2d2d52c469424ec8fb3d17c4cd722fb. 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/ARWRW1300236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb038464bf4aceeb1b22bf7b942b47093c7a732e4414a26c5b83b4129876849e6. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/ARWRW1300238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x856e529204bc3dee289cf72884b6b084184529e0fe35086cf9b7d5813ec07def. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/ARWRW1300239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90cc659efbce675b092c0b31e4db48d212d629ab5f7f2b506c53e9b556c3ab73. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARWRW1300240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cf7d2c5845156d7d55a9fe9fb19a695183f21dbcfe54e499ed61c3ad2204702. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/QM6MZ1540253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcbcd7b505c3be1b129827d4c48bec6174c78b255374dcc46a906cc5b620dadb. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QM6MZ1540267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae6d94d86aabc38286cb7f3359943b2f49c6786abf4aba61ec903081762dddee. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QM6MZ1540268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b3a5bc2be5745a030de0eea9048996730454dcb8c43e23a578734d5746fcc84. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ARF109901898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b4deb123062026b9e1bbd7ce40164e96b6f5338379e193b7ab1b8850f7ea150. 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/ARF109700674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b8d40b61683c73296cabe860b2a6fe1c8c45856bf5fe2dc4a24b96be9151cdf. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF109901912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9bcb13088949ac55177b099bb2589840ff09c56dc4c267a585719ecd22ca0f4. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF109901843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa33d007084c8518c602e671c4ecbf01722bb6e9774b795ec64a3913d6e85e8b7. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF100300445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb682b471abb26cb276e9578adbeee7cf250d51db25912a937fda25c9851948b2. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ARF109901895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bd61de3b7fcf509b3e966b47c8a85c36bb44094e280e6a13a9a149cb13d3887. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ARF100200166.
Y Pensar Que No Estás (with Jorge Falcón)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x008fd7ed3fe2e2073146a8d6aa5e06549eb043f832d2ba2525f45c8512d8a60a. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF100300463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ff4e372031ac1ef2cf6de23dd5317060827dbbe616d0f1a7a8ff255acaca4c6. 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/ARF109901908.
Como Tu Cariño (with Rodolfo Lesica & Argentino Ledesma)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd32cecf041293b82d95ce2dbd9618d9d71ea635e6396f1f6a09eb2c7fe7ac098. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ARF100600053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f56a640f29484604957fb2a700c2bfcd10bd0af9008e1b80b15ca547d640c3b. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF109901914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaffa40bb3392cb03a5f9a1fa2cc2bbd78aebec1eba8d9a222b1e1f6d480a34f. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1A12129239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7c6c89172a61e785a872c2029b3594fc062356bf61c8be00eaefe7d0d04c239. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1A12129240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7470779b61df1b97518e5520989be2df8fd8d5622dfda16feee196d2ed8003c4. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1A12129266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f03e6dcbf969ab01c4f60a9a571630b08222daa8df92e6e5821f162152376d6. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1A12129242.
El Bulin de la Calle Ayacucho - Remastered
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07540552001b3b60a3fdc9eba383a94c98cd932a3eb8d638dcb90678d4602e1e. 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/DE1A12129248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fcde7c2714f07639a1299410aabaeea8dbee34b28e7ca09decea59f3c4001a9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DE1A12129274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae082caacee3a0bdec3c99b2f2728d0f27420823c2008a6b921c094bee93b044. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1A12129250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54e6cbf61b5c42bb36ed1c793324c098940c687df2b746fa7bb78c2f8e975605. 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/DE1A12129275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59271e7c51292befdcbde5712ac59ff3e83d0acc8b1f3b39693efbedfed21eb0. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DE1A12129278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddaa0fd205c5d98e6eb01881de32b48e5655a4401d92e065c233a8a35b74b3d2. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1A12129279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63ffa5850074e5f0fa9ea041b9754f4bbe7881c144634c9035b8f4b7f2faa969. 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/DE1A12129282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16cb24391461fa6fab0a0bf1ac81af1efb324771e2a7a66a0006d1000582b70a. 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/DE1A12129283.
Mi Buenos Aires Querido - Héctor Varela Tangos
Champagne Tango - La Edad de Oro del Tango Argentino
Recuerdos de Buenos Aires - Soñando con el Tango
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05c995c9a408f0f63b86140f692c2db3f70ec77544dfb98b5ac15788e4c18d09. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/NLHR52159444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9329c784de5f5bc5c079e12299ea418ed881b628aa6f95c1136be2195226bb59. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:18:19Z), 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/FRX202548568.
Danza de Tiempos: Héctor Varela y su Orquesta Típica
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x069783e7f4cbb40e2f7d4051394b4b6ccf5f2a336061c96715c46a2227bf9c83. 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/ART340900189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8533ecc857706e951fd53f34ecc240e8c32e8110916cd04beb3f5b8644d1add3. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ART340900214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf587b5fe0ca0b0ecf874fae7255e8386235403e0795d7908da80895bace687d8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/UYM122201180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e7173cde8b415eceb3a39e31d6ad8e95b3861b30626d31bb7e309af7df7e658. 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/ARF049600452.