Andy Snitzer is an American saxophonist, composer, and arranger. He is known for his work as a session musician with numerous famous artists, including Paul Simon, Aretha Franklin, Martika, Sting, The
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 0xc0b74db3c827466dd672d4c479912f4cde84b24bc567ec2c6cf4fbf5d86af4f4. 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/25bffced-3b87-44d8-8020-a81f1f91a443.json and https://artists.proofprofile.net/proofs/artist/25bffced-3b87-44d8-8020-a81f1f91a443.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 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 0x78c2afd23bb70b61b4ee4fd7bce3eccd5607ff14cd350c056e692376f4d02963. Chain 2 (Bitcoin): anchored in block 959132 (2026-07-22T13:20:46Z), 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/USAT20202510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcad07346abb403b4e7664966ea477a2ea1819a8757c393e7120268aa57428070. 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/US7SF1656212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d0c85f284961f318c3287ef5ae44c9d3fbc07401fbda4b50754865e25e3f8a7. 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/US7SF1656213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf214f1fe41a73d78f8399057a0950065e74519e2d2521117c48e0e5081ee6a8. 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/US7SF1656214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3714da17941216e6917a83a65c1e2f7b7161f983f184376339c532e130fba038. 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/QM2YE2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x469c7da29506c2d88ee9c9286d1ec19e3bf3701484530d7e7b3dcf86d7c110bc. 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/QM2YE2300006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f1cc8a24935ec5992593a78cfea17ea80965443a1e6b7029394cd973c445e7b. 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/QM2YE2300007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x914ff958427b23776bcc02005978e57b4f8bad86581977de1989c4f1d986d697. 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/QM2YE2300010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2fd31abc49e1dfd4377271bcf5ce1b3f90bb32995501419d22aa61478aaa295. 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/QM2YE1500002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3a58337c98bfc0f2e6694e01b7d65a2a5d78e5e3ba035850961d6bd2490be8d. 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/USNLM1300646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e3b3256547e6f7e3a63502a57a35f6ce0f65688280676b2a1153a090904f555. 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/USNLM1300652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3eaf230f8404c3effecfcb8f454e8f5eedbc2e269a9c640ba4ef567723c5844. 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/USNLM1100609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x025a3ebef27909b2a16560542bb4bebe7b74520cda155bc92bfe2327c2043c4f. 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/USNLM1100610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb99f76950d4e5f4ba4f43ece31739f970dabc9ef06038134d3d7f13ea67add75. 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/USNLM1100612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74d38babdcdba30f14c12a41b2e2d145b11e1cc28818939f6a92a78c5e0791e7. 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/USNLM1100613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x990a08805a93fa9c446f018f1c5922866741ccbbf3d1a85fd7d1069601664b79. 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/USNLM1100615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9e4de530a3d01f4bb3ca80c1df21e83723e6c8ad95d725d9ba6a3cef13b0c65. 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/USNLM0600415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb3f2ad1bec8a9cb939a6fe4f8fb6c2ea57ecdc61a2e1c5fcecb21c072f9d2e9. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-17T00:07:06Z), 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/USNLM0600418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3923ca1681424eb6a5d47a1c9bad57b8a9322d9a3821ce74c689c6dd70951cd4. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T16:43:41Z), 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/USWB19500582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f07c7f76317fc59cf3ebd22c589deab2bd461b50ad28457fa333d5c1b9c71a4. 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/USWB10104215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bb85ac846bf20591a2bb04bec3c0c9950b417ee9909d482afa3abb3bf77480a. 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/USCGJ2062160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2d6e9cd71a3a0a20ac59701c6da3fd173a1380fce5bdef92c8bf1024cc02cfa. 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/QM9A91819125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4a710d7c12f5d04a0f0682f6a4344d2d0de20984bdaef26510bd35afb68ba3d. 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/QMAAK2004032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3c6115004e10933f16da1bd828d25b6a193b3fed785d37cd85804e73c53b1b6. 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/USCGJ2062161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e49a5ca7a5486f2f25363a1030e7a72b882dc24ca02e3f537e2fe3ea1fbd68c. 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/USCGJ2062162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4bd0aa5c4c5ce596fdb2abeb03f3bdcf4b8da5ba38a049c9231297ff4f293d2. 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/USCGJ2062165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d8188d4f43d8dcb9373a3624b94f4bfebabc2e076be5e128affb3bf6fc11608. 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/USCGJ2062166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60402ec24a6a1cc46bb269f959f2198e9a5995f7601cfa21beac2bcc1830545a. 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/USCGJ2062167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22ae6dd15d564c230ef034b7f3556584539d3217aa7e57dfe5cb8323cb307553. 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/QMQME2000013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa7f561861ce6ea4b454d4a027291cea4121c3b90c64db21ff826c665950265a. 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/QMQME2300048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64a82e3394e116a850acc2cf33140079138e9fdf8024f9295a2958717e691390. 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/QMQME2200053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaca1296d1d39428e30fff4788133f12e4835d243c04f836ec3d0329c055019ec. 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/QMQME2200054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5614f3f1ecad0106bae55eee9ca57f993bcf45c97642cac6a804c6ec46e8bc8c. 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/QMQME2300010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x759262f48761bcac4b8035278ba10ab4012daaaffd496ff2ffc3638df87a499e. 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/QMQME1200295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f73f493c5003ef733aa82fade1c2123302b158aef1e636dba44471ff2390c74. 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/QMQME1200046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ecdc3bf6aa1d3657c0717d86e2f303ffa49d417a0bba19df59044a011814bee. 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/QMQME1200296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6a7e7827eb827b0a61f975a4c5b05ed03e698eac64e561c88488a3c4a27aa8d. 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/QMQME1200146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54851ea0055c4126288ee900530f25635f8fc2c8af31eb0912fcbb1346ce4428. 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/QMQME1200294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe557e65a7104b3cbb18afaae8d04a194033687a77378d6728e91593ef125d763. 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/QMQME1400232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffabc305536ec3049de63681545d1bffe8b12139c8e661ed3d11b297cd30ec0b. 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/QMQME1200304.