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 0xeb9de95b9c6cf6fd528931bc3f1101c801ac4cea4c98f10ee47c2c7d4826d7a8. 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/6de7d258-f8e9-446d-baed-7abda00053f4.json and https://artists.proofprofile.net/proofs/artist/6de7d258-f8e9-446d-baed-7abda00053f4.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 0x318f7b25eee5107dd9fb176b595e76a344012ee3e51f4a18eefd80ae672983cd. 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/USFP72176601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e704a3286cba51669df0f1c8211c2327a1121524bd96d2cb685d0c1200da11e. 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/USFP72176602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1e4b0f753aec425be5d011ef2119eb570ed927349fa88c64a7860dd230d028b. 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/USFP72176604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdff336767d9c72b6d92373fc9e3098c16c36cf5aa21b4bdae3267908addcc1bf. Chain 2 (Bitcoin): anchored in block 958041 (2026-07-14T18:13:17Z), 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/USFP72176607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e39fc9503f335f3a8b0a6fac70807886d82927280018fe9f46b9ec6fa4599bc. 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/USFP72176608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eac5878d81de8ee2c36be26f75f93538cac9875fd247dc4673633c00a011bf1. 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/USFP72176609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb122df4e22720e85b6ff2170d9012f909953b1422e7bd60e76e61cf0971024b. 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/USFP72176611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a9fe4634582d99c6afdd55a0b584f716786f5dab1760162daf26476feb48bef. 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/USFP72176614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x146e6a35e45868fa885580b46d0e847db3a76c11d8618909391723fe98593e66. 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/USFP72176617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb15663e41adfb08fd0785da0f4c3d3a1a581d620c64f3b96cc151f0fbcbfc8e6. 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/USUYG1193010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d779d07e15f9cbbe7f4e33dbfe959717180b11c6777889d7dbbcd039e5e232. 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/USUYG1193015.
On My Mind / Charge It to the Game (feat. Syd & Kari Faux)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x085dcc8a6d1c589fc4605c4fc79e0ccdc21c591ba12cf5048a5755d91b24afd5. 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/USUYG1192060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x201432a114608d966f884e813267ca97d824f18e9baeb3a4e5b699d36961f59d. 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/USUYG1193012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5dac267f7203fac3e19b5a946f0749d5d37824a94ce2f4fdb3b1643cbee9ee4. 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/USUYG1193013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x827c71b04749ac8aeb6c5429bf1b4733c0fa9462d0f182178f71f83a4ef40769. 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/USUYG1193011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1be7382b95a97e45426b7ef1cbcbf3081806ba0e01fb32aa7118436fdacce09. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/USUYG1193017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eac5878d81de8ee2c36be26f75f93538cac9875fd247dc4673633c00a011bf1. 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/USFP72176609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb122df4e22720e85b6ff2170d9012f909953b1422e7bd60e76e61cf0971024b. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USFP72176611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x201432a114608d966f884e813267ca97d824f18e9baeb3a4e5b699d36961f59d. 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/USUYG1193012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x085dcc8a6d1c589fc4605c4fc79e0ccdc21c591ba12cf5048a5755d91b24afd5. 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/USUYG1192060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12229b533ce3f92d620e8e45bd4783239c4377a041b9ead8cb0e1abac2574313. 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/JPCO02421580.