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 0xca5f1d43074eceee6c3156ab4f022aef899088a1c479fdd8fcafbbc96aa43265. 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/fa2576ff-0adb-4bb3-82ea-4c781f42c965.json and https://artists.proofprofile.net/proofs/artist/fa2576ff-0adb-4bb3-82ea-4c781f42c965.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La Llama del Amor (Riega Este Querer - Rumba/Alborea)
La Llama del Amor - Riega Este Querer - Rumba/Alborea
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 0x66116d5ea41e4288cca4dcf90cd5e2d39042f9896968c9bf17ceadf66935f079. 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/USSD12200560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb47281c93ff7f0e279a4643b1e1a704ddf92ed25ae86c241642bf95f4031498a. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES94B2300120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cc9e7e432defcb82a6c1ac58940dfa5bd0586add8c57d08cb9fccab6035f7e2. 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/ES94B2300121.
Porque Lo Llevo Dentro (feat. Ángeles Toledano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcd3f03de390f1a44751545f8a5de4676e0fd524e80fd0dc8044b992b95ded3c. 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/ES94B2300084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83db28b990e253f7e163f5eab574b8e3578ff2dcf444668fc9cb9a24dec04213. 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/ES94B2300074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd859e247a62c439fd0cfd376ac367dd035fbb2a86e077e12aca82a10f54c1206. 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/GX3HH2220362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8aedb75f4e683718979a9d8464c40e86075ea2953cc82503e5102c1ee649134. 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/USSD12201191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56a5a7049f32ff7802bbaa95e9af9ecd83348f71efe41fbceeaa47c8119b38ec. 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/USSD12201189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b196b1c55c5f97281910e69df2769b91826d2369c7875f21f33683f7c6c8f99. 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/USSD12200924.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4748977f3444f04b51ff25241cf5168561f9ecef2284f2af377a2ee1a78818d4. 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/USSD12201188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf53f26157db52174049bd7ccd5c4cd0731ae1333994898e31c1477e454a76a3e. 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/USSD12201190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9895f45c72da19d01e642f1de42697e911f27c9052871b08bba93ba53e42d33. 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/USSD12201187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1c5765598ea32a437ed5b6ad1ed8f36ae5a029aab9745eb4a86083d5bc44e03. 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/USSD12201181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf85f5b8826196e0190ac00842db9c6bcee610a81c3e01316da4159a1d33f2ea6. 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/USSD12201184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b4e2f3065e462c42d1a7f8923bc45f9a50f4089380a38f3a0a0f85fed4d3d2c. 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/USSD12201185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa19807cde0c0e6e06b4f6f989dec0ffa885e247697b55574d0ce80d695e211a9. 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/USSD12201186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82a39f4cc4e866bac9e2ed417e5cb4e3de373e48d961b781fe975134b1b89799. 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/USSD12201183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b4c8906d0804c55465473ea8dcd5cad7d0783d9a4e7987f485739d8ef48942b. 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/USSD12201180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8711f6f9795774cf5571bb690ffc98853f16ef17b57b171b91efc16d025ddf5c. 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/USSD12201182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x884cdabd8daec9c67c9c949bf6218c803f64fba7332a13eb14dbba52be20dda3. 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/USSD12201179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1338a7ee17e5439a63109ce7e78467d4dcaf1c1f9b3047b21117ef5d095d8f40. 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/ES65E2200343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3031cd33e33d107bf4371fe27ab30266ef760b9b4f25e5b963493eaed9f882db. 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/ES94B2400037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb47281c93ff7f0e279a4643b1e1a704ddf92ed25ae86c241642bf95f4031498a. 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/ES94B2300120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f156ffc50d63938330e6c74e64fb31ca4ce8ed8db0eacac355be493e79c6f95. 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/ES94B2400057.
Así Como Yo, Quién Te Va a Querer - En Directo - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fa80f68aa45dfb2b66f2de2760fac4d99fe4a43ce8f6d493efbedc8b6c4e3ad. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T19:49:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES94B2400058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfbf56d4dcadaf9c53414241b7a14e2d204891e59e6ed84c72b11e3ae497d5c0. 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/ES64E2417799.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2a84f086d465c4f176302374703610ea4cae7400dd69bdbdd2957c6891d3e25. 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/ES26E2001801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1338a7ee17e5439a63109ce7e78467d4dcaf1c1f9b3047b21117ef5d095d8f40. 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/ES65E2200343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd84833efa718f77b8a6e2893055c81486ca1a0b208b6ee7a86364967716ffb4f. 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/ES64E2201056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6875abecb54392c37bfbc752eac2ba8ce110de00355733bea78152ea672e5305. 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/ES64E2201327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31997997f7cbeceda1945f35d5426702fc6070c3c388fd21d56eedaa2bd8aab5. 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/ES65E2200396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35cf602aaa0e9e41a621c721bfad7e77d3910d5499255c0148d3fdec0868281e. 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/ES26E2100101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64aebd67a41d3bcec25413c69c75c8891c1046863c21840b1a9a5c2958e50baa. 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/ES64E2201330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06a9334ba1c118cf725b3acbc24aec6926806fb81081b6722ac17a220f789d9c. 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/ES64E2201331.