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 0x4da13ebdfebe1df97b61a52b4282e2b0709fcc54d3ccacf37e117e3d5603d91f. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/37dac006-42af-41a1-a32f-41eba87c60e7.json and https://artists.proofprofile.net/proofs/artist/37dac006-42af-41a1-a32f-41eba87c60e7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Waterfall Serenity for Pets: Soothing Sounds for Calm
Relaxation Flow Lofi: Gentle Ambient Layers
Relaxation Chords: Soothing Harmonic Tunes
River's Melodic Flow: Music Along the Water
Calming River Sounds for Deep Meditation
Calm River for Cats Soothing Ambient Sounds
Dripping Water Rock Soundscapes with Waves, Rain, and Humpback Whales (Seamless Loopable Ambience for Meditation and Rest)
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 0xc8873f0aa11d48f8ce060e3945bdf5141ccc3fa4575ee0ca178b814030401fda. 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/QMHNS1303037.
Overflow Stream Down the Gravel Driveway
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x988c6ba1eace48d2f1710480c5f2bfb61f8fd69816044f9c8ffc4a7a21259271. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QMHNS1303038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f5ca4e9d1c7f8b82b1357345d8cd5c97c7d565729d7f10109ede653dc8272e2. 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/QMHNS1303039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6338a5a0125e8a210fc18f102ef8acab9a69fcaf7d38365d961fb67843c24c20. 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/QMHNS1303040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ce2b4ee66beba3677e92e5ecaebc9cc6acf293558a945dac90d0fc2ec16e1c1. 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/QMHNS1303041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7225cc2251e7e3f6c2a62f0ccd88ad44c3ee31a27b7092ca03a3afcb965699f0. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QMHNS1303042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb847ae9d2393ec0e0347ace206506baea5745540517747f08ebac694d5d5409a. 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/QMHNS1303043.
Rushing Woodland Stream Over a Waterfall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30132aa72f71b3d6a58e2d2bf0a74cb8faebbaa1fe9d9cd6452adea009c604f5. 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/QMHNS1303044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x645457faf83e4966f322af22d33e9a39f3c4111056b1e47ca6515fdfe1abf853. 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/QMHNS1303045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x714b5f6325890562091d09f1493ce528f546ce5383d1c5c08583684e8e6d6f61. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QMHNS1303046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e61e02ec8df72410f53f87853e75ff17006f2a9c3179b2bb367056a083167f6. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/QMHNS1303047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc84a3ae8423c5d97eec4db84dd2d704a8ace0432904d0fa1890fc1ac7e4fc794. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/QMHNS1303048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2cf296a9dd8316d01f37a90cef2dd423a12651e722e2cf9fe57e49ad04c0f78. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/QMHNS1303049.
Very Busy Woodland Stream After the Rain
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf36452a3b76c51d3b5ca36333b99b41c589f5636e3a5661caff9c5dcbd899bc1. 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/QMHNS1303050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdda44f106e7b5da4e1271f9132a679d58afeb465edbe69bd0f31fcd96dedaad. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/QMHNS1303051.
The Soothing Sounds of Rushing Waters (Rapids and Waterfalls)
A Gurgling River Torent Babbling and Frothing
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d791c961894a67adc00b97a25a293a2513dbc861bf36d57a1027fdeb389b0ba. 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/QMHNS1303314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48cce1d4a9f568210daf5c403a4525a160e45f3910e9feb5ba762f0ef97016a0. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/QMHNS1303315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d8a10c497620df8c17013e4c7f59a10fc68d2220f67d7e0d2c966359905848b. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/QMHNS1303316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d486319d762c289c0353458b1d7a07998f0382006d93feba4919577cdaeab31. Chain 2 (Bitcoin): anchored in block 960177 (2026-07-30T00:21:01Z), 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/QMHNS1303317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x969e1a905ed4baf9f817113e087d8cbcc6f2a9587aceab9ed5c069c04fb43360. 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/QMHNS1303324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa69bc24c257122c6c00193eb7d962427735c795db8fe5158916f501d8f77bc1. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/QMHNS1303318.
Lower River Rapids Far From the Waterfall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa33b33e0c99c0379a52471dbb812709c6efafacb10b39fbdb9e6d568618936a8. 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/QMHNS1303319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a3b0025227a964e2656c9136588f9cd9d64e255262a359598dd431d23b59c13. 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/QMHNS1303320.
Lower River Rapids Next to the Waterfall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde1abaee89a800ca3ad172a6cda006f5773ee90e649f12f2708c007df5d37d70. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/QMHNS1303321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc44ed8fcd440285ba2f45d9a21141464eb9eead249b8b21aa8aa790d1cb814b0. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/QMHNS1303322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1c9f4cafd71fd69719c8c3c7ae03b483f898290a7c9d416001b5e9547104437. 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/QMHNS1303323.