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 0x6e36896c1982730c836807a11fdc02f84132f9b13caf0ca0b22dc24b762e3682. Chain 2 (Bitcoin): anchored in block 953888 (2026-06-16T04:55:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0d775aab-01fb-441b-a8d5-720def1a1e0f.json and https://artists.proofprofile.net/proofs/artist/0d775aab-01fb-441b-a8d5-720def1a1e0f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Maailmanloppuun asti (feat. Anna Kuoppamäki)
Kaunein päällä maan (feat. Janne Laurila) [Single edit]
Jani Matti Juhani Laulaa Elvistä Suomeksi
Jani Matti Juhani laulaa Elvistä Suomeksi, Vol. 2
Jani Matti Juhani laulaa Elvistä suomeksi, Vol. 2
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 0xc814a32c0704a9289b68cce3888218628fe9b78047858ba7662e9ea767afd0f8. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/FIJNW2400003.
Jani Matti Juhani laulaa Elvistä suomeksi, Vol. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f11f8610b756469041c1a4921f2d46b84a235a08de5e241ae0fececa6d963c8. 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/FIJNW2400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc814a32c0704a9289b68cce3888218628fe9b78047858ba7662e9ea767afd0f8. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/FIJNW2400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x709f9c0ae3620e1bd840f1c9a6307c4385d753b8d362950b6a95118e374c7ddc. 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/FIJNW2400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3146860667ad845fce8a3d14eeb67d0bcc1a79187685582ffd5eb192a436115. 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/FIJNW2400006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc2bf7c4d51f782e627da43c6cae3dbe3e9fe5ff65ed400ab15dc08f929ea422. 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/FIJNW2400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65e8cb700c52c9fb624e44bf4650ac2ae8543ce64f1a924dbc57ec81839b4c0f. 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/FIJNW2400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe93d34ff7f544bb929ca33d12287a8386492301240901a1f8ee03be87c1a0e6b. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/FIJNW2400008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc542d1fcee0fcc5561501413b7cfd86421eed896d0158eb319b8887c07647924. 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/FIJNW2400009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fb21bc2a8fd28f62816b37bbbc76c47867070637d8d9e9ab9d386089875cdba. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/FIJNW2400011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed5414bfe443849802dcf17bdeab3d4ac5fd26dcfe5d96991657ced29632250a. 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/FIJNW2400012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7ca07cf815f6a3d5fce13ae06906129b4f5fec0fd0fa0076bb78ea1a4305081. 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/FIJNW2400013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3de5b3c966e724686c2cfc8e319ed886f02688250ed8d4976511807471fb33fe. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/FIJNW2400014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ec05c930c7b6e1c957588d361361e7ab9f12dc7a51bb894ac0a15e44f9f0061. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FIJNW2400015.