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 0xf26e8e02f54a3564c89515dc60e08f952e8172bce9435cb69eddb598700b77fb. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/89fe82fd-1e7b-49df-8aeb-119b857602f7.json and https://artists.proofprofile.net/proofs/artist/89fe82fd-1e7b-49df-8aeb-119b857602f7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1df46b9576d7fe3130a545a776dd3ed04128e940f975a0eddb25dbc085bafbc. 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/QZFYY2085699.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbcbbd372cc0b536ce7c0b20f58a31429116b71398d49d0acdb085141ad8cd4e. 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/QZFYY2085700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc05e2f116f6cd5b2b5531f432d3faf600565efad19ba83ae7aa3326bd6703a50. 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/QZK6N1976029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9adf0823e9f70bfc220690f174213ccd57c8e41f5d97e86d95cc387659334e95. 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/QZK6N1976030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3da0a62c6b5f0eca7add4e722d9cfd27d7302649da4320fe77d63720cbaea691. 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/QZK6Q1907892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef0161bb1058b7461eded5f6ba085e1d2452d8c4e05fed9347badd37609e04a9. 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/QZFYY2085701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d7af2aa41fee56b37405366a44587104bdb73f631586ae3dd581d75954706bf. 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/QZFYY2085703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb5a4da03d2c36a627eee83be5568cff1e86eead41bbf333300f18cff8c7737d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYY2085705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb833a2ee7450e3830c57f7416d8632602281996190ccf96368852c4e29c5d073. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:58:20Z), 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/QZFYY2085706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6dcfc0fc39896385f14b9fb8e79d6cd379bf8a6f2dac7a74ab393b500c01290. 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/QZFYY2085707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe581e86248b8bbca5dd7b356c6c76fb0e4d5e9ea689da59c93fd9f76d02a9c0. 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/SEYOK1426172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x573e9dd7effc390c9a6e57ab04c7a95ae48acf87e9b8cdb8775d32b2344aa0e3. 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/SEYOK1426173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa56c1a507a9d1efa140126ccd62db0a508f4ae0b05da330315545c7ffacb5ce3. 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/SEYOK1426174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x310622f4016f1da21fe044d936c007ac9769659720dff8c87e67592ae760eb00. 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/SEYOK1426175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76fb02e036bc89a8cdf934d00c7ed227e99c6d0c445ecbdb04b5a995c6a276df. 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/SEYOK1426176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30c95e5f664ec52e1af44f680cff2139a62e79a137d92a7e700051ff04d7e648. 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/SEYOK1426177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdb59f1ecec219102f08e451d1a079b5b934e18f693894b639cd4841dfe2133b. 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/SEYOK1426178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98e5450445c1b6ab19ca1ccb24570c3877327f9e356b2c44c15eebf8532aec1c. 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/SEYOK1426179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5627d7b14e94761e5d03ced257261d1bbaf702fa74561a3f59a081b14df368a. 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/QZFZ42492117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x426f58f9c69c4103bb76477d7633fffdedb733a177a7b472cbbbf7da4cafe570. 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/QZRP52327119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x426f58f9c69c4103bb76477d7633fffdedb733a177a7b472cbbbf7da4cafe570. 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/QZRP52327119.
Urashima, Tales From The Heart - Acoustic
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfae5552a2ae72df6e0b7b0226bc6bca21d694b7308d51822e0ba096d15517fb0. 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/QZHN82275991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf45ee95d06b3c9e80e89aa4049f240e29d3dd9cfeeb66eaa6141ffaae09ba2bc. 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/QZHN82275992.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc05e2f116f6cd5b2b5531f432d3faf600565efad19ba83ae7aa3326bd6703a50. 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/QZK6N1976029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9adf0823e9f70bfc220690f174213ccd57c8e41f5d97e86d95cc387659334e95. 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/QZK6N1976030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3da0a62c6b5f0eca7add4e722d9cfd27d7302649da4320fe77d63720cbaea691. 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/QZK6Q1907892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf7b74865ebdc86d6e8c70984f9eca6cefdd29dc20dfd32db78aa4509e73392c. 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/SEYOK1523549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfa087121ded0c9b13734a6b0204380376eb4ed5ac4de27f7ca58098351ad424. 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/SEYOK1523551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x783ef77d536b3ee19a86f8585cf314b4e59cac692a30cf818cb387decf55d0bd. 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/SEYOK1523552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93554eec9692c32bae17ee03130e201022b9243a2d40b85807101758c0936da3. 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/SEYOK1523553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c86a96c2fcad3184ffee2c9683f5154485454bfb698d15ff4556904bc61acb3. 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/SEYOK1306680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xded92028d6d4dd165a53ca78c0ce599facdea3a77f12f7753806bc95b2f153df. 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/SEYOK1306681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f39d843e9a6ee03fb1631c61f42eb15bb187367ff671d5e68e706aac9655d22. 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/SEYOK1306682.