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 0x13a2424a087087618db69c29e2a7994b63d52afcb30720821ac01c0d06c08bf1. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/95fb9ae0-b2b8-4347-a940-23cc07be1e2c.json and https://artists.proofprofile.net/proofs/artist/95fb9ae0-b2b8-4347-a940-23cc07be1e2c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Elegant Restaurant Background Music Relaxing Jazz & Ambient Dining Music
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 0xb281f2dd5d9133c9e1cac3a5cdd5208a7659b37de6e7e857ba5534fb93d622cd. 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/QZP7F2533412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1d229b15ffc118bf6a0a4cf20d3c86b079fea891df1ebc0cd2a7302ce938190. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZP7F2533415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bdf3941bdd9af97362d7b56f7472ab20bbace9257896f01a248351a34e2bdb1. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:18:33Z), 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/QZP7F2533416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3e5732975ebfa8b885527844a44095be8b41d96a8159ab5271a746bb83155e6. 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/QZP7F2533417.
Peaceful Dinner Music for Quiet Evenings
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c186f67563e2fff82a639a8f9fbbd74f9ad1ade0950d8ef8edde20add2d3f2f. Chain 2 (Bitcoin): anchored in block 958861 (2026-07-20T10:02:52Z), 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/QZP7F2533420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ccb41d0caa25d4697cb4fe1f18a100194051f32c2a35f375e2f2e73721e0d99. 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/QZP7F2533424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3946ab9fd73d82c55fb003e15cb0fc6e2366463f96868a1506209b36284d76f. 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/QZP7F2533433.
Elegant Dinner Jazz Background Music for Restaurants, Cafes, and Evenings
Luxury Café Background Music Smooth Jazz & Ambient Dinner Atmosphere
Background Jazz for Gourmet Tasting Experiences
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05597e1ae426a89d83f81e71ecbf9aa57b29535170f63ea89b3e0c3754f159dc. 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/CAWK52508005.
Calm Background Jazz for Gourmet Culinary Experiences
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ef651ea9b6838e8b071d348b939250a6ca975008adfc439f725c313e86cd5a8. 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/CAWK52508006.
Calm Piano and Jazz Music for Dinner Parties
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83fcac1ea8af31d622a12359ed72bc4b9c4b2003a1fb7e70aae5bae197b66bc1. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T09:41:12Z), 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/CAWK52508007.
Cozy Jazz Café Music for Late Night Conversations
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f423bb676eea1a785719cbbac0a0e57245a745e71a88574e582d5c639ca7f5a. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:52:05Z), 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/CAWK52508009.
Cocktail Hour Jazz for Elegant Nightlife Vibes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c3f6cf1d5f4bb9d98fb654d1c264133dd8907d4f6d1298261a5c28c0723739f. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-17T00:59:24Z), 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/CAWK52508010.
Elegant Jazz Trio for Quiet Dinner Evenings
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e2f8ba22ff0affc3fdaa3e0421928604d199d32a6b0888c4b6b3ea43c3287fd. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/CAWK52508011.
Elegant Lounge Jazz for Hotel Restaurants
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c777e5f09917dc99e366d206d8f092222d274cd9799615f4825cfc7ba4b0691. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:40:54Z), 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/CAWK52508012.
Cozy Night Jazz Music for Small Restaurants and Cafés
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab87a9bb138f3fe69513c353ac0bf9ecd28624c93c49096724cb32bd3c4ae6b9. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/CAWK52508013.
Late Night Jazz Sounds for Intimate Café Settings
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1aaca7068634edfd4f22590d86cc433c5cb310d92d4b4584df9bcae887cea95. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/CAWK52508014.
Evening Jazz Instrumentals for Fine Dining Ambience
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3feea5c4a17b9e1175749a4fbbad17139ae21b4f9c07b4b507e9c2140ea50ddd. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/CAWK52508015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fccb9c57dad389d7006d2d25568f1b6d9a3592395b5a5594543397fa9051449. 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/CAWK52508016.