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 0xfec351097f49cfe1ce9df18c5b37234c50afae274cd9602b57a6beeb75f5faa7. 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/097c33fd-cb85-4a56-be54-81b9ee109820.json and https://artists.proofprofile.net/proofs/artist/097c33fd-cb85-4a56-be54-81b9ee109820.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 0xd31e59f31b8360126a727e9e28ffcaa3b9e609d910fd784d4bd7d4b281f50ced. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ESA122452585.
Stylish jazz piano BEST to listen to in a snowy cafe -Healing Christmas BGM-
A collection of Christmas masterpieces played on a stylish jazz piano -Healing and chill -out winter cafe BGM-
Autumn Cafe BGM A gentle guitar tone that flows with the breath of autumn A collection of relaxing music perfect for reading at a cafe or taking a walk on a holiday
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e07893a72fe836efc31ab88fc3f8c98572aa9acf62774d895bb17e7fd6d2ec8. 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/GXC5E2447137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa34215afa5ccb44afa7724213304cb9a2f6ca9d82431e7b890cf2c7000bc3ad7. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/GXC5E2447120.
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 0x13492862e7309c436620bba547a64758fe55c4ed283d499d6fc2af7448b56203. 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/GXC5E2447122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x879f17ba55323258b52f5df9ac715176cfbeb363a4a56496215c0f0a4bf2c73c. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/GXC5E2447123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6ab72b332872e7965d28a20ebc7888839fa300a7fb46c78eb9c1985318b3f69. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/GXC5E2447124.
On an autumn night, the sound of a bonfire and guitar will soothe you. Relaxing BGM - Chill-out music perfect for autumn cafes and sleeping! A live performance was recorded.
Brain Rest Enjoy a relaxing moment with soothing piano BGM played by professionals. Great collection of music for spa, meditation, yoga, work, and sleep.
Revolutionary Zen: Meditative Melodies for the Modern Soul
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b8b48c70750881aef0d1c7866ed11ef205a95752cb2d0fe70c60b852b7371c2. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ESA012410924.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x046ada3af74626cdef5c69eba4fb9a51abcb3d6e04836386db1867f1fc7efda8. 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/ESA012410926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36b55d7aad8525d1f82c80dc5fa1aeb034b51f1809dd5bcd95f34f31b32f8345. 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/ESA012410929.
Mystic Echoes: Journey Through Crystal Realms
Morning cafe and start of the day: Stylish and refreshing guitar BGM - A refreshing soundtrack perfect for studying, working, or cooking in the kitchen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9f395b55288dadb7b8bd9db3714750b1ebba12cf485eb0a5a960b4a1aefd072. 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/ESA012410638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaede8deb15eeab5ee59fb979e975c1a389c6827c931a69f11f07ed10f4193831. Chain 2 (Bitcoin): anchored in block 960339 (2026-07-31T03:13:37Z), 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/ESA012410636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18d81651ed05c65fab930f2322f7c1da3b5ffc9df41288cede35e9f3809646be. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/ESA012410640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ab55bc6ed3261929fb5ed75bf95f11653ebd417eb42ab00cb8c5a8be3233aa8. 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/ESA012410644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4631f2de85f9e7dfb18c56fd624d48d32fc0d6e5fce0e96a690e186ee567e2b3. 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/ESA012410584.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x499792284144d6f12e72607bd4023ab976bd021d46a62389bb894e593f17211e. 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/DEXO22450666.
Relax and concentrate at the summer resort-style cafe Bossa Nova. Spa BGM for study & work
here we go! Summer sea cafe!! Refreshing guitar BGM!!! Exhilarating drive & stylish refreshing music!
Sea Cafe BGM Vol.5 Relax & Stress Relief Relaxing Guitar Music! A collection of free original music for studying, spas, resorts, and holidays.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dad848523c1de56f851223ee1f0968d35e1784154b1c7c7629a4ce02793989d. 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/ESA122491054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fc9cf853f604add84992e4598af34c0ba2db5f04165ff9b2e8e6cd3adcb3619. 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/ESA122491057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe854fcbdd3e04e5720e41c1b16c19b20edb1c2b0860f5c8994a932788dc162fb. 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/ESA122491058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73e5facf3707a74e31df505235561ab2dc3d5e19e468b723730e2100fc82f995. 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/ESA122491059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc599271698a9e781fee1bf5bbccac5caeeed9a74a326d128302d8cc97b93c6a. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/ESA122491056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x703c4da5f61dcbce5080a1eed437843f173dde351dfca09398113aab4679d7e8. Chain 2 (Bitcoin): anchored in block 960305 (2026-07-30T20:14:59Z), 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/ESA122491060.
Cafe BGM Study Rest Spa Sleep Cooking Stylish bossa nova & jazz guitar music collection for the kitchen Vol.2
Feels like a summer resort! Hawaiian Ukulele Sea Cafe BGM - Healing and relaxing music collection
Music for Gentle Relaxation: Soothing Harmonies
The sound of a ukulele swaying in the sea breeze: Refreshing and relaxing chill-out music that gives you a resort feel.
Sea Cafe BGM Vol.4 Relaxation & Stress Relief Relaxing Guitar Music! A collection of free original music for studying, spas, resorts, and holidays.
Sea Cafe BGM Vol.3 Relaxing & Stress Relief Relaxing Guitar Music! A collection of free original music for studying, spas, resorts, and holidays.
Sea Cafe Guitar BGM A music collection perfect for relaxing holidays, studying, and working!