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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64c83581cd658e66813ce49670a0c5dd6980e9f1c6101e730cb6f6f6a968b05e. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b1910174-f8c7-4181-8fa2-4380e6b16a4a.json and https://artists.proofprofile.net/proofs/artist/b1910174-f8c7-4181-8fa2-4380e6b16a4a.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f4614ff985b6bda6b99e0b20e141bcf8cc1eb0209050829e1997e591992ac4. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T23:14:12Z), 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/PL52J2017486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x680f2e8595dd8a7242c42c175071d5a15dcb15b55e08ad9a67821822b2569b9a. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/PL52J2017492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf302dcf03e764ec57d29da76762b4a809ac443726f320d301c2aa4108badf730. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/PL52J2017485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x557d962e615274d1a9c6f54bfa954732affd465aa15edbc5f60cc554af1d2604. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/PL52J2017490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3acbd58e71e8f50bf883fc9eb600dd10251e38a836e829d00a0e68d6903580b. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/PL52J2017487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f80967b4ffc874c24cabeee8203f6663890e2fbd43f3cca3cb56729dfd1520a. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/PL52J2017481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e3e387d6fa54605eb9808da11bfda68b801413e49e3ccd1bf9f2192a42fae45. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/PL52J2017480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x834e5773589547018a374444034ed9963e74f737c2a668ee154ee606676cda87. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/PL52J2017483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f7100d22be2a202cdd6b65b9104328fdbd13d2c281821d010b494792978ff01. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/PL52J2017482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf948647601a9f2eeac9154f90b8329d447aae40ab6df3decca19b9d24b26375. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/PL52J2017488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e6af2de0c6d2be13ba842cf1492c030e787e3d81ac55db5bc6eda9affd9fb1e. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/PL52J2017484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba8b0b69f0271b7fa0fae6bb2c1a40a572c24dd3f991144fab5819c1f61b4617. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/PL52J2017479.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a481100cde03ee76ecba081e100c43d488757a3e68b95819fbb0feab6f18bb1. 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/PL52J2017509.
Hang Drumming for Sleeping, Yoga, Meditation and Relax
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2220b35ac2df2afb0c17270a0c9be2e7b11e5df3a71e80d520028f7c0737a696. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/PL52J2131166.
Sleeping Songs - 19 Soothing Sounds for Dreaming
Echoes of Tranquility: Hang Drum and Nighttime Melodies
Gently Lull Your Baby to Sleep with the Night & Hang Drum
Dreamy Hang Drum Reflection in a Moonlight Night
Soothing Hang Drum Melodies for an Evening Under the Stars
Peaceful Evening Hymns: Restful Music for Slumber
Soothing Melodies from the Hang Drum under the Night Sky
A Calming Hang Drum Music for the Best Sleep Possible
The Lofi Path Between Sunlight And Shadow
Rhythmic Chill: Hip Hop Music for Relaxation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78bb1a94f98622d85361043b560b74fd19ed9da170566e215dce51f2ef95798c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBRKQ2565533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e3d71d80ad55017df26eaf88dd28441a24892e7f1a102210c6b889089fd928b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBRKQ2565541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d05b77db118f2ec099ba0dddf486d21f42a728d28be04319f2c14642649add. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/GBRKQ2565524.
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