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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6537ade5e8f51de935e9508898bbe0a2dfe4af02f66f2305bb148b967c5331a6. 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/a7a33086-f90a-4b02-9802-c2115b80842a.json and https://artists.proofprofile.net/proofs/artist/a7a33086-f90a-4b02-9802-c2115b80842a.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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fcefc6122bafb17555c337068226cfa56596f831fcc9a12ee974644902adda9. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/TCJPJ1943029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7458b9cd18d8bb636556f31cc479cc9cf60faf9087da1c453a7ac5aeb1fad202. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/TCJPJ1943033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3106b3bfd35a76dd9abe115bb62cc3746ae260ff9d71141fbcca1c866114724f. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCJPJ1969301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68a8aa2e043e52af961c0d0c8a294d407f3691eeedf3368ebe9d607680de15b2. Chain 2 (Bitcoin): anchored in block 958104 (2026-07-15T05:34:05Z), 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/TCJPK2079878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9120e3f56ecf2e17bc25879066e44f0ac18768c2217f40ff7fa5eee287e40ae9. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/TCJPL2029252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a7d158c11905c258ce1e27bdd671e06c9535be180b075cfb7930d1914cd28d1. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/TCJPP2163235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3df41f0cd0bad3fecae372159483efd8973723c3ac634ce0c2470ca1fa1f6f1c. 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/TCJPQ2141439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07a6b20dfaf0ec778269e2a3f6ddc5001e0c472e396df5a09d5765ae55c25f19. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/TCJPS2240997.
I believe it (feat. Duke Cage, JANUS & Js Morgan)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23d80f1b590277262341dd381f836e00fa7796ade5c2b0f267f6c7bccd4ebede. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/TCJPT2244213.
ROCK STAR LIFE STYLE (feat. JP THE WAVY)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58cf14cbdf5c154a46d02daa4ac03e6503ba264b721824d1484ce0da6811be5b. 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/TCJPY2341954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef64799845044552daa416aa876ba7cfcdcf0dc316b47f53c1935b4096b777b6. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/TCJPY2341959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x503e5dae8d2179f2ddd42bbfbbcf8a68c596aef94f43c90c7cc3f8c4578b31c2. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/TCJPY2341962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x285356385a0bd4af62aab57a026cff4ce7be287c6acf3f02e0211e3943c5006a. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/TCJPY2341965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1616dfdfbba54bbaff2021fba6e9ed20a07d4fb47ca5b6d683f3016f4f6a45ac. Chain 2 (Bitcoin): anchored in block 958680 (2026-07-19T06:04:14Z), 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/TCJPY2341998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd4799756bfe4d71a11c5b7bbae60572ed2e2c25acdb2ab2addad7005c37759e. 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/JP92L2422190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87fa4b20befe84ed90c10e86689580fadf5879ad03a096bcd18be83b96fd7dbc. 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/TCJPU2341551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda6a4ed283d7a9851f7f4d91a5216c1186e1609a1b018047aad66bcb2353f407. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/TCJPY2336812.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda6a4ed283d7a9851f7f4d91a5216c1186e1609a1b018047aad66bcb2353f407. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/TCJPY2336812.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd59534cf094a4b90571ce099f60a69f05cf755b2b483012d1d0765ee939ab4c. 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/TCJPM2071232.
COUCH POTATO (feat. vividboooy & HIYADAM)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x707047b6df580cf1efcbd89e0c4058a23e1391bb6d7641597394a2f54b7b7829. 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/TCJPN2021829.