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 0x23956f9d48d64ab0d8c7214de184b53b1da68fa7ad7e15aff351b922a5ced362. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0a681d3d-4df9-4c63-8fc0-9104261079d6.json and https://artists.proofprofile.net/proofs/artist/0a681d3d-4df9-4c63-8fc0-9104261079d6.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 0x86d267650878244a1d46cb76a7061211ba4a475f8ae075884228d6320baec14d. 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/US83Z2511616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa67d614ea179ac667a9526759538f0c4bc5b8bacc81ede63972c8562cd1e2e60. 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/US83Z2431254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d10fa0afcf4a5923d49f79505b1950bbac5def50f1599bee9753661b1727e64. 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/US83Z2411185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab714a6f919a71e404cb2e984d5e29fb00fedcf01213597a2447cd52749bcfac. 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/US83Z2490357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33972eaef9e26a1f6ed5d1d518d66d925cfc1df428855e2fdc906e6347a0b185. 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/US83Z2490350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3557a638db7ba68088ef152eec7606d1954971486299a4ad6dddf8533e52ba1b. 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/GBKQU2449770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c75b5eddce38b2a4defa32c480637edcc2634c1df97146704c477fb0e1eab96. 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/ROROT2304390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf33da2a91ab344304f06a78c0cd2d8c2f29fe834a32a29c87ae7a41d00e2ea37. 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/GBKQU2369613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b7cf4a4dae4bcd50549f18bc506a6486a5efe0a09758525f6402a7aedb1191c. 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/GBKQU2425446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ea24583066592894281c27e78b99b0afac62f9694e8a8052f3382a51cf514b9. 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/GBKQU2313140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x051cfeb92518471b3742c4e15bb3f40320f74701c8f343dacdf226cf05eb03c2. 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/GBKQU2461754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6501e4d1cf5bb412b2d36f332bfcca2f9328a18ab3b3b7381a4d253daa1ff0d. 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/GBKQU2335906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4190743b29931213f8f9656ab5df5776bc12be5d64a0554f894116a67de0dae7. 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/GBKQU2410231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca791ba2917d997bbf70a4f1a06133eb548112e6140a80177a5a254d00668457. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/GBKQU2253096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadc541e3855e1d3d56a7b2376a697c5a7254c9de858a4582efed1b27ade298e6. 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/GBKQU2421075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e33d7e85f9953f817a6685c4d82d8c64bfc3618ec0b8384414a899b34447a73. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/GBKQU2447482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfec31aa3eb5fccaf0b86c67faba21a0d0634652d73d6bccda4100d24dc256a67. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/GBKQU2454194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c5e4552da4d478ff716c3690b3e0bafed65223f55a8614a77bbeeae88c9696e. 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/GBKQU2444400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa713623cbd35a72eddc5ee97ae4b65d9f1147363d7410641715dff419b81997b. 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/GBKQU2436630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74d7b826bfe651921a7a864004460cfd68380e7a20719fbc257f42549b9787e6. 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/GBKQU2361721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x419db3facdc2e4c2be196da95a372c66346bdb65ba13619ccc4e738791a2498b. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/GBKQU2380548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73e12bb5409ba3a510b8c05d4cfa944215119f511ae9142db2e1883ee4f1b557. 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/GBKQU2455895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17c73430a9b8fb131d0b9f97b218fdb5867af78d6390aeade5cc553c257e3f5a. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/GBKQU2326949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ff74fb66a1fc58d50664d7dd24aa3755e25b01e02954b3630f5e9071e608f57. 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/GBKQU2390291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcffd7999289d662f1f79f2e6252b32c43c5147806e0bb1776ce59fdcbe22319. 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/GBKQU2457785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x221abccd320ed730595d8b0a9ad86f6147382d4efad3a515a25b7aec06693ae3. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-07T12:58:18Z), 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/GBKQU2437707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbd82c503aa90550378d508406ed1130eae912a1b4c105ea60e4ea9351c90308. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/GBKQU2451178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa88409ce5b2d94597cf45928a68827ec67ad831a99858e14e8ecea3ed13a8fca. 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/DEW872103188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa98ea62cec3d8fd62fec5865b4922b304e0516596fec9517048d35a98437927d. 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/GBKQU2331862.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26b6bf8ec2b6665c6afc467fa891379b9f5abfa08be90191542391c62b64f094. 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/GBKQU2396143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf80cb5f7b490fee30743f2338df553e51684fa7c0ccc170d9588efe68b24d387. 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/GBKQU2421074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa60765d4d87eaa477c74595704292a1024232c6a80b7fa1b139a863c6be5f6b4. 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/GBKQU2429763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x307429937d2ef11117ab3c0deefd7e65b33f1202fd892e92159d0ff0ab57cd46. 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/GBKQU2444224.
By Your Side - Melodic House Version - Extended Mix
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