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 0x7c615c56c030be4bed523dcc1a2cc57d3319fb6bf830be2bceb4975c02436ab7. Chain 2 (Bitcoin): anchored in block 953754 (2026-06-15T06:45:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ae670073-ffec-4fa4-8128-e30c64737ef8.json and https://artists.proofprofile.net/proofs/artist/ae670073-ffec-4fa4-8128-e30c64737ef8.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 0x0d6102d74c03bed7c133a52cfc119026b9aa6aed94cad9f587b86eafcc07c34b. 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/GBKQU2501236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c04a86866f8532b9b0fbd869d9fb025910c9715b6ec46d3ebd3f3804cf72ee2. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/GBKQU2512963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2632daaa0c2474b0ebf5301b8eaf3289abeb3696354438391c6c109ea23a2d7. Chain 2 (Bitcoin): anchored in block 957761 (2026-07-12T21:55:15Z), 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/GBKQU2517966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x484808d678a67856f21076c26e3f7e18c0e84ba7e740b0ecba2142f62598bf2d. 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/UKU932580283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0d9fb24c46172e5da362cc02e84b2199239b865d58f12f03638571cf40d3b1a. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/NLD682501143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc1a70c1fc4334b42322a5f1483bddf94ab53b34201dd8d16faee9add1db144b. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/GBKQU2550395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5561939f92ab003f0a4abfeb4957cfbe0dae153660633a9429e5f46318857977. 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/QMFFM2501333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3803e6f6c23ea813866d46cad43ee44e46ee1300be1af58b17d279d84fc32355. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/GBKQU2581731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x980faf52fcefc2649adf90ed71d0f5452fb41158c523787319cb5a45b1ffb28b. 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/GBKQU2402406.
Listen To Heartbeat (FYH403) [LIGHT SIDE TRACK OF THE WEEK]
FYH403 - Find Your Harmony Radio Episode #403
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7803655b1d94ea74efc011c394b47e599d4a7e05e10bae6715d33bf04dd20691. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBKQU2451753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9fbb7c5d21e6a16f58f542b8fb2462ce30a4e838405ba3b7308ad6eac4e456b. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBKQU2442653.
Piece Of Me (FYH409) [LIGHT SIDE TRACK OF THE WEEK]
FYH409 - Find Your Harmony Radio Episode #409
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd97482048a0ce92cf1430379dd11cb0ce53a88658d7ff6ec690ced3cb401dc. 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/GBKQU2467525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf89c9b58354c3aa01d84047e0fcd04d43cbfd847a38db20d8d2162410f9fb16. 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/GBLV62423024.
FYHBO2024 - Best Of Find Your Harmony 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69e2cabf15e5628040fcb1754feddfffe0d137d41f2c1e4c4c49a550f2665cd6. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/GBLV62420857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30f26177e9e95470906a639eb5b18cd1a3100691beee98b6f77e13c03d8ebe55. 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/GBKQU2526767.