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 0x0c0a0e7302a5bffca5a214cfd64058f640a8ad52bbeebfb6461280db97e5df2d. 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/880701c8-26cf-43ca-86c8-e726290b0815.json and https://artists.proofprofile.net/proofs/artist/880701c8-26cf-43ca-86c8-e726290b0815.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dreamland's Whisper: Calming Melodies for the Nursery
Soothing Skies: Peaceful Night Music for Babies and Toddlers
Nightscape Melodies: Tranquil Tunes for the Nursery
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 0x048bf1b46c192e80975519bd0cedb0673cda2b56670c73a073489aecb45f6408. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/USHM92430538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb10b5b40277b09dd1e5a1a43e8f986b161112a779063e0315da53a46a119dc5f. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-02T22:05:07Z), 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/USHM92430539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x361cb1264bc481ca7477fa38f4f425f007393d82a4681cadb9c80a655fc70229. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/USHM92430540.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a2793f88234cf8320cea2946364fa819e8fe6b20f714f18119e2f676e96d452. 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/USHM92430541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd538913a9e8e1f6d69a1b1af3c9897a556bfc86a7017c81d02481dd4fa14c8fb. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/USHM92430542.
Twilight Harmony: Peaceful Music for Bedtime
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa484b3f31b86ffc1da74a352045da27e1655e4e65c0dad37c18b6d0ef583f9b. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/USHM92430601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x842635617d34b5a35f92687e61b49c157de52f14ead3bec7886823e8f7801ba1. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T02:28:59Z), 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/USHM92430603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2c1c3b666c1c09a59c861bec86abe578a554507fe542a61a8d83be64639e459. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T14:09:34Z), 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/USHM92430605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6758f62d5539cd75a16eb23badf8853c8b49a2440a9574a8ed89e87216aed715. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/USHM92430606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a8311fdb59fd162d4e0ab449aff20015346bf548750f0562b3cfaa78b4045bf. 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/USHM92430607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3822db9a8f64f0242427d731c81ac14c3bc7209670ae66d0bee947c82336781e. Chain 2 (Bitcoin): anchored in block 958395 (2026-07-17T10:10:33Z), 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/USHM92430608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc407bc30c59f9e3e7af1aaeca73539c33fc6a916059cebf6ab8086dd14e264cf. Chain 2 (Bitcoin): anchored in block 958756 (2026-07-19T16:12:29Z), 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/USHM92430609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59ba896f9243311a83ff4d8bd512087d23e3d57db4449c6d9713fbdb1d1a9457. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T10:57:35Z), 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/USHM92430610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7e147b2a829a600a72cf04f3f9de8011a2fa10626e0f7b49947a76726a86d58. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T01:47:42Z), 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/USX9P2403390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fc748ba7e2917ddf2bcd40727e54bb11d679045b775c247bcf3a5a07121b425. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/USX9P2403391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e311f8fa7aef17e2021bcb9e5a8c817515489c5b21d9f9ff274599fbd4ccb34. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/USX9P2403393.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdbad2c0c9be7baccc8ec7d2b39651338e7ba799a0d2473c7b11223da84b9cfa. 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/USX9P2420957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d29ab66817215e04807d5df02a62abebefb0f08e5738eca57fc261ff642756b. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/USX9P2420958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x285143aad1ee2ca4599d59fb4ba9d2fca93d81084801bd831564f003594c4af0. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/USX9P2420959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd213f959ea0b9bcfaa28abd7184af65390f3af874af8dc18ee3806b3ab12e6c. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/USX9P2420961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c8a182386348dc2a1292d477db9a40cbc1c0e842e66a06016e532a720dc4c52. 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/USX9P2420962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fdd50e4f820c03f9875e64439f4d76e7b338bb0595c1524d07669daa0e341ad. Chain 2 (Bitcoin): anchored in block 958965 (2026-07-21T04:29:05Z), 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/USX9P2420964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9665509fda881a9e168fbe68c8e91665ca08064b0f914b7d66e4e58142ce931. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/USCGH2525610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e1dc520a637305e6f9f500d0cc7b57cd17374f512da8199c6901c21e6d3860b. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/USCGH2525611.
Slumbering Echoes Nighttime Serenades for Children