1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x65ee3d9d4180d55acaf680a872abb69a42fb9e651dc46dfd8d3b564c0126b7f8. 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/2ef804c2-9784-4107-9cb6-d4ab46acb8f6.json and https://artists.proofprofile.net/proofs/artist/2ef804c2-9784-4107-9cb6-d4ab46acb8f6.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 → block OTSBitcoinBlock must exist at that height 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 0xabdfd846e655e1370e669a932696f6834be3a5bf4e699102c1d9da7af99665a0. 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/UYS059400132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e4074675eb51e9044ced446fb758b51c41ad306aa4ea2097e03f7d8110df427. 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/UYS059400134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0597d83527db8c34a1383ac1fb8a204f70d8244a4444f80affdce62bf099705. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/UYS059400138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54b2ce885f04bb5412320c9de383fcd0afd1e353a340a708849e52be6ee13e0d. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/UYS059400139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31e16758e4e70f5e930ea09e719c7ba84a06ac680bdec889af35b3b720c86686. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:21:43Z), 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/UYS059400140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a63c4060f002c56496a922d7e5d054660ea31be8510d5e28dae0cc7a8e15409. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:19:39Z), 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/QM6MZ1410685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfbd1d0dde396a43631a4be47ad1bbc7426f665a12a83f588c17dd3dc9c0c41e. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:57:53Z), 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/QM6MZ1410690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4771ee29b90eb3400e64494097c32d42f9a58ac9c1d5b68a958d8c388f37d2d8. 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/UYS050800001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97b5437bc90d0bc949894896509876d6165dca6967aa1b87c08e3217e18bf925. 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/UYS050800003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a7edc320c198d617142f4f9b7c9c3be407ae9c4aa201d528d02310ec95c1a7c. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/UYS050800004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff5ff6c226bb017b6067ea6ed126c3501ffe5b3e00351c1d911e6f0e6c102bd8. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/UYS050800007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf25139620105e8fcf306e36995410f0e6d44bdff1205f402713fa0e7de37c99. 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/UYB142123202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x520c0c808611d5b618171a3700083d701829b2d5573473eb14553cf3cd4e0026. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UYB142123203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x768dc14f751cb679c7400d8bf3fdd460d1560140dc54b7d61fae9d42fafc26b5. 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/UYB142123204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8bc9cfe3aabc8538e0ee628f870cac14e1f1d15f734de077a07651634e7ef22. 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/UYB142123205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc939ede326ba8b51464ac02e1998ae68151e61b3117f0592f20da298e1f48cec. 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/UYB142123207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7da3d5fe401a4e8d7d6249fd29546a521e46656a267630c35cc2c99745d62118. 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/UYB142123209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2cf1e46c2ae613758857bedecf7963790b9d19e3ba7008650d0ba9062b96104. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-07T15:12:44Z), 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/UYB142123210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c4459da3e736f28852b52c7c36445df0f8b9b6368e1823e15f432142f3238d4. 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/UYB142123211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c68613b8260cc2825523b1c062731f891d8be81a787775391d056cd502c65c5. 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/UYS059800108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf36a9c0ccf1581bfc0a752cf8591c15feb8353a336f0c42e4dd0a5280b25cc2. 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/UYS059800109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe623660691e497532da4c47da176e3c97cd59c3275c20befa66f2656bed45e8. 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/UYS059800111.
La Maquina del Tiempo 3er Viaje, 1ª Parte: Ida (1971 - 1984)
La Máquina del Tiempo, 3er. Viaje, 2ª Parte: Vuelta (1983 - 1988)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2acac49a02eabf4bbe12e95e6d1b388f405bf20ff494c48c58221276bed769a. 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/QM4TX1566224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c23a0291f90561880cdafde0750893773a79c3fa6818c20bb9dc7dc20b17817. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QM4TX1566225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4131640b022864a3b77776ca493f96b6eba8ae90774a4bc730fe7076147351. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QM4TX1566232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdffb09133ae9311d97ba7d6741d1321181c8664f44377d1059d84390e76a05ca. 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/QM4TX1566238.
Ficción Solar, 2° Movimiento "Las Estaciones" (Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12aa082a6e993516e1dc7dd186e65561205fdc49285e7ff7d00995a24e06d624. 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/UYS059500101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2a4f2350bf4e40ffc3d3cad18c702f5e8f6058cfa1539bdf172ed74065b6aa1. 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/UYS059500104.