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 0x30240fb9e92dbbaef7397d9e6ee7b19df9ec9d3072da649d9292aec67386b2c6. 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/f0d3794e-c5b8-474f-a4a0-e57e762bb48e.json and https://artists.proofprofile.net/proofs/artist/f0d3794e-c5b8-474f-a4a0-e57e762bb48e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Switches & Dracs (with Lil Durk feat. EST Gee)
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 0x961b7ec88e017872ce61e94a0bc393795c4a2bb08a1e55bfe78a0c82b64c432d. 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/USUM72120236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa044db72b6066c40792483f24d0929ba5bb3c39501f1c3613629cd79de760b28. 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/USUM72115838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d990835104be817103da47d19b3314dfe692edce4ab04202d37dd67de389413. 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/USUM72119696.
This Feeling (with Yung Bleu feat. Ja'niyah)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bdcd5e8ded7977b263f532c5ea818eac007cde87c890bbdb1ef2c7d9b331cdd. 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/USUM72119700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30d8dd883d8d058cb79b2dc3709ae60af3cf91bb25171a4b2ab668d398e9c8a2. 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/USUM72119703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49383d112a57c81722d9a1c99d49efd167c56dac77db4be9b42a499ee8b8c086. 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/USUM72119701.
Wockesha (with Lil Wayne & Ashanti) - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc65e1adabad6dde4eeac90cb850fb57f338a58235ce8a6fec6e4d852d73b08aa. 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/USUM72116456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd98a896abff3efde47d6ba3b03de37045d682382479c887f20d5502885bd0a9e. 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/USUM72105617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9f3c05a59142ba014cd9bf674d4d73911e0034a63a8977ca69c24acb2edea37. 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/USUM72105615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07816a08e7292a91d861cb1e43d5f72c53ffb6b3cff7b03135c5746ea7b16e21. 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/USUM72105236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65ecc4c0b672593b3d2e702ec07d61789d627266d5cf16502981da326ce5c2fe. 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/USUM72105621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x584371973fe3655e0dbc1cb975f68b4c1956af8de1438471cc0eee7040204b86. 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/USUM72105619.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe122c7fd3e713b7d1df0102f455a8bd3ae1a9f6bd76cbbd42c4bbf82d6b7af50. 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/USUM72101669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2ed245d1c9e67d598de72dbf50f17b941eec44be4f5655b4090d37dac196a9c. 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/USUM72105709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4718c6b3d51819b8074c5e29c277a26c58adc565bf40994b0b9d9a1f3558a9a3. 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/USUM72105616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe363f4d07a70a5b5d33a35cc5d4f084e79898a52cceae9ca70fdaa242b351f0e. 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/USUM72101019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2821af4ebc082c0ba08b35101998201704c9aad41985f2c39bbc2702bebb773. 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/USUM72105707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed6c94cf8d8d89611c64375ee83e0b4eaf1a254df73e6a323069599807686135. 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/USUM72105613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71c0b87da4f052a62619f11a21d4749f324317b3824b372d24a4060c1edc99bc. 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/USUM72105708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x083c38f0b18e141db770ae0dfe1ad9b6d5eb97c4666ca8713ff43d4aeec4e61c. 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/USUM72105620.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x305c744c7c62f98473c730d094baa28e84c99225fd1d4524b5458102d1803587. 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/USUM72105611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6b37eedf8b417ffd3e7f0598e75386435ce0e7e054a4af8e43e094da8630ce5. 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/USUM72105710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e0c770d80af1de365794ba1721ea5f3359b8190d5b179bb9bbd82d13223b481. 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/USUM72105618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc217533b29d794f709fa2cd5c92188ac43c5feff496e2c9cfbc652b6dc1c4653. 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/USUM72105711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9fe1da10907193fd62d05f20c3686387505bb05a88b2b1f3ea9efa91dc9637f. 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/USUM72105798.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1cbb65ca8cab8bf5f920c92df055e0b72122dcb000141831b2a959f4862c4bc. 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/USUM72105612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa11d878ad856ef5161ab13c49e9bcf5c706fc8f300390ecdcb018982da8d8b8f. 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/USUM72105706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13f97c25a9b101209c65cd500a2b4e56a58cd7b27f1c4fc6e4a3d325816760d8. 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/USUM72105610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc9883727057b5558a3ffc502776b7af942539eb6defa8c76bf0c4957d1e954a. 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/USUM72105614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32971f82bccc1b8bb0b1ac769d2dbf74385e6a326d3508b4a495b778c80e9626. 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/TCAFD2040344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x717fbe23e6b9489c9c44317694957de1a7b65443113b53f50c3feb73f6cb121b. 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/TCAES2072185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f248391a44dc8b0879453153dda3da3c5502627c030127b178d9409e9d2fd53. 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/TCADW1867422.