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 0xced51048a64be6b85d21c88a7a46fdaf24e858b864ae8ec5565ace7a8dfcb425. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0690e8e8-7de5-408d-a6f9-452f895d83a0.json and https://artists.proofprofile.net/proofs/artist/0690e8e8-7de5-408d-a6f9-452f895d83a0.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 0x3b0817dc7d7e204bc2875e1687c47b969ccbcf0b6854b9c586da98a471aba781. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:27:33Z), 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/QZRCW9100780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96265bdf19b813414436527696a87076a6dab327e67c6dfc9e1c8476241d4354. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T02:34:54Z), 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/QZRCW9100781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aff81a3e452cd6231a15213574ff064afa6fd8310c31b5a9f6707e937a19137. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:23:26Z), 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/QZRCW9100782.
Jazz Ballad Soundtrack for Hotel Lounges
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x107d6b04483c4dc55523ee37052b9dcb02f246f8b4c00e85883eeb35ea2bfcff. 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/QZRCW9100783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x275627fb8fe7f2526f65aa6515dea58c307a6829aa32ed70063dcedaed26755b. 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/QZRCW9100784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfa19691c7fccb66b2d7710fcf4c071837928677822ee0cfe2beaf6360ccb5bf. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZRCW9100785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf05c23b890edb43856b6a93aee24e98d054f027c0db4c4207201f942cb7c6ff9. 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/QZRCW9100786.
Happy Piano and Acoustic Bass - Vibe for Piano Bars
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa71af5fe8b1f37ba60a9afca99652e1373f564866c6ab5976013777b4e9ddc2c. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:25:03Z), 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/QZRCW9100787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x073221d953be88a7e3b29e9316c06cc26c934c7554ca54af392641e263680287. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/QZRCW9100788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x598ce2ffa33b96bc4b105d630c2c9204952e9a8f197d0b075456aea0fd1c4376. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QZRCW9100789.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04bee5be1aa4561b0ae26dce7977d1ff3d0590a1642bbd6872ae063a66ff2cd2. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZRCW9100790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e024cb893bdd30929377f3a2fa6488c0e6ce35c9b773a38216fc1104700b1b4. Chain 2 (Bitcoin): anchored in block 958371 (2026-07-17T05:45:43Z), 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/QZRCW9100791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68e1fb3d0378625caf01ff760d10763992dc7b47f283d5287705a89730e66ba8. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:28:58Z), 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/QZRCW9100792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc23aca900383536546a629c544f635bbe6df1861d39b21b7988cb08a0063f486. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:48:19Z), 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/QZRCW9100793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a44674916fc5007abf0bd67967d2fe70add28167580195087575333f03126ad. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/QZRCW9100794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa884e301efc2643d1f38a10e927c78d79d9899ce2f85d165296a6fd659d64417. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:14:57Z), 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/QZRCW9100795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ba6edbf3f96bfab21ee8fb47fd654b2eeb14f4204722d32a12677768ac5189d. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:06:32Z), 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/QZRCW9100796.
Alluring Piano and Acoustic Bass - Vibe for Piano Bars
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd02f6786addd2075cde67dd2586ee1a4a049adeefeb26e12e12b45908b5f8b90. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/QZRCW9100797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e73553d0048e7ed9e7b25255b3c05d4cde1854507ce283d2bb0f449049d142b. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QZRCW9100798.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa79b58acaecb16ff5d251eb913e604ad5271f81c6bcea81abf4e94a1ecc3a9a1. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QZRCW9100799.
Hypnotic Jazz Trio - Background for Divine Cuisine
Inspiring Jazz Trio - Ambiance for Luxury Dining
Music for New Workspaces (Trumpet, Alto Sax and Tenor Sax)
Music for Comfy Offices - Magnificent Trumpet, Alto Sax and Tenor Sax
Successful Jazz Trio - Background for Stores
Acoustic Smooth Jazz Guitar - Ambiance for Improving Work
Latin Guitar - Bgm for Moments of Winter
Latin Trumpet - Ambiance for Breezy Dreams
Wonderful Latin Trumpet - Ambiance for Reclining Afternoons
Jazz Piano Duo - Background for Pure Moments
Lofi Vibes: Lofi Vibes: Serenos Ritmos De Lofi Para Relajarse Esta Noche
Music for Warm Shadows - High-class Bossa Guitar Trio with Jazz Organ
Music for Warm Shadows - Bossa Guitar Trio with Jazz Organ
Jazz Organ and Bossa Guitar Trio (Music for Keen Spirits)
コーヒーを飲みながらアメリカ風ブランチ
Dormir: Ambiente Reconfortante Para La Hora De Dormir Vol. 1
こいぬのスイート・リラックスミュージック
朝のコーヒーリラックスチューン
Música para una cena después del trabajo
ウェルネスこそ究極のラグジュアリー
Sueño Relajante En El Río: Sonidos Tranquilos Para Dormir
Escape De Relajación Del Océano: Suaves Sonidos De Olas
Nanas De La Lluvia Para Bebés: Sonidos Suaves Para Dormir
Armónicos De Tormenta: Sinfonías De Música De Lluvia
Yoga De Lluvia: Paisajes Sonoros Tranquilos Para Practicar
Melodías De Lluvia: Ecos A Través Del Tiempo
Melodías Infantiles: Música Para El Día Del Bebé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48f6e906f0f271e2bb6ba0c4b9e10d855642989319a5e6c96f92b50cf9da5743. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/QZWDE2417426.
Suave Arrullo De La Cuna: Música Para El Sueño Del Bebé
Cadencia Reparadora: Música Para El Confort
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3084da2e60456324a73c5d4d4ad994ea1a8647bea13077ac4d4b2a309e3f9e41. 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/QZZEC2441407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ac5350791c8d82741aaecb72306f701ea15626d7cf0faa172fe1c64d4af62f7. 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/QZZEC2441446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7edf3505fc3916a7c1f284ec0917b62e8754df5fcbd64077a46c59a1341d366. 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/QZZEC2441455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x169ada4272eba28f6dd666bf6392da4be31cf4be6c2ce17326fedec06f35b91f. 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/QZZEC2441462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x586254a8f54ed966aaf1e6075e61f58ec1f29606cb8c3dcadc9fc664c1ed20f2. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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/QZZEC2441423.
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 0x1721682f06657e31bccdafb9058ecb6350465b30cf048559d0ba0969d6dcf37f. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/QZZEC2441429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6399e9043eab1bcfd429d08eff62a01e760dc179305f02d42371e0c24e529537. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/QZZEC2441437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd84a38fb0ec3762e701179a7a57739cd54b48a95c30705ae4bb4f6ecb46bcfa8. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/QZZEC2441470.