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 0x39a63307a5a95c6e44d5208ab712c19f00e88da37da9c10b0a44cbd97a405c3e. 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/2c28f2db-4a62-4bc1-9bae-d2d4523c0046.json and https://artists.proofprofile.net/proofs/artist/2c28f2db-4a62-4bc1-9bae-d2d4523c0046.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Solar Plexus - Yellow - Singing Bowls At Night
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 0x734221248834beab2a41eb78c6db0f43ec609c76343af8bc1b48d41cd7744a4e. 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/US2H51110425.
Light of the Body - Early Evening Storms & Flutes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc197eb5ba4013b41a33137df57481763a42a4ff01a5adec61ff343724eaa58a. 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/US2H51110229.
Spiritual Energy Through Singing Tibetan Bowls
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc114a517534b828719237f1670fea74ee769c24478ebc62597b11a06b6d2abb. 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/US2H51110007.
Moonlight Koto Medley - Koto & Flute Medley for Massage & Yoga
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd21ab591f6ef2347fd82a5c36426a7fc4b352353e8dc5b384102d19c08217d9e. 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/US2H51200368.
Wheels of Healing - Nature & Native American Flute
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13ee5c48c73e17c54ff987b03c2b32a5de17804da9407706931f20afa4672697. 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/US2H51110235.
Evenings in Dehli - Sitar/Guitar Melodies for Relaxation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9e9b2cf59a27a06640b7db5c2ba2b0189a035a443af965d04ec1054c1fc6a7a. 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/US2H51200589.
Sleep Journey - Japan: Zen Flute & Keyboards
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37d6ef6a449f229b4bbd43b74902076894c6ad7294e1134fd0a17c0af62f348f. 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/US2H51200762.
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