1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xe220a8149e74c27afd2a00655dc8041ede9a5e524bcfa07b2aeee6997c30ad4c. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6b22efaf-f842-43b2-bcdc-287da7310b98.json and https://artists.proofprofile.net/proofs/artist/6b22efaf-f842-43b2-bcdc-287da7310b98.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lounge Jazz Masters (Vol 7) NEW YORK BAR QUARTETT
NYC Jazz Lounge vol 2 NEW YORK BAR QUARTETT
Smooth Jazz Lounge – New York City Nights
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 → block OTSBitcoinBlock must exist at that height 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 0x1c72138bf508498549e7b4948e885bd4dad80e1dd7fdfea4f2c792dd868bf9a6. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZP7F2576261.
Manhattan Chill Jazz – Late Night Sessions
New York Nights – Smooth Jazz Collection
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca52381303d876cc0f0b74c7d68c6d831475378cd5aac32dcdeb9a0b9777b699. 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/QZP7F2576264.
Luxury Jazz Lounge NYC – After Dark Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x281a2a8f06e8fa3d02342447e6090b41af5c41b71d83d0dd701fe29491e90402. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/QZP7F2576265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x975d4ff733ae3b0a3010983a538d5acde063c1792375ecbbc49d1fef021de2a6. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZP7F2576266.
Skyline Lounge Jazz – Manhattan Evenings
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d9a0fb31af5134219dce9408736a5caa9efb43ebaa3bca7043c5cde16d2c06c. 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/QZP7F2576267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48399ca9b5e09dd776cdafaed75ca09beae98d4ea1dff004b8e2b2fb03a3478e. 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/CAWK52515477.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b15cee8dedb5a6f6fd6e29d789dcf5f0c000d52bc56873ccbf1523c8bbde76a. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/CAWK52515479.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x421fa91b8f6c6bf346c74e8878016b860f88fb54e704aa22ba71e83a11b7c16b. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/CAWK52515481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d63505548c102f5552931524304ea5e6d2bde8cc98c26ebdeb29948930054b3. 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/CAWK52515482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe02976737e2fa63ed673d15db213f4996178560be6f723c3c5e6302196439c19. 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/CAWK52515483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbed9d33471a44eced817b2a31e64cd2ce10d787bc10ac8a9b106920ac1defeb6. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/CAWK52515484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e25d9d1747668eec24162a3ec410d08ff443d1dbf0bbe03784074dd3afa2f4f. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/CAWK52515486.
Late Night Jazz Lounge NEW YORK BAR QUARTETT