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 0x110976d2b9d3b0512df5da2071b419b5389c8932e56a7f902f2a6b4aae047750. 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/eedca513-c3ea-4d28-9254-96a81051d137.json and https://artists.proofprofile.net/proofs/artist/eedca513-c3ea-4d28-9254-96a81051d137.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 0xf0a940dfe35da38c29b7e8a61bbbe975ff327f3b104a7649a83d14c55ec347f8. 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/US3R22100601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61ba595cb27626fd5a4ee0253fd922e78813fc0cc5e7def64207667891b4ca11. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/US3R22100605.
Snow Ritual (feat. Ghost Marrow & Suzanne Ciani)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b9d1f661d3bb99b1468888acd7711c2f5cd4a6e5f358e4e20c586efa6dd1200. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), 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/US3R22201107.
Icy Like Desert (10 Years) [Prima Versio]
Night Bunny (feat. Suzanne Ciani) (Carla Azar Reconstruction)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa2723ea651800847cee56bab00eee35e0553f308c436997963b00afc2105c9. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/QZHN82420548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27b3389d81600cc1ca30640b0cd1f87edb57931efb99910fb3ffb1aa2bbbba63. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/QZES62437418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b90586da820ef0158508e61f7a509d42ebbc5678c18c5158799a4b54b695790. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/QZES72443677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ed902012b474d4f9f3305aedfd6a4f5baec95e2ec21e2a5bd9f767b58f8c276. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/QZES62438598.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x619a10dbb062b744df5d14c7ec8af967e6e49edbd784a40df339aed2f4284e3f. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/QZES72443680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc7873effae3bc3858cca8e553fa239383b00c0e18b720de4acde98bff9a8202. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QZES62438603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaff38074c6a8e321044c5ada48677aeaceaf5f4b70cc487d79f71d14b112586. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/QZES72443682.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda5acaa6e1d3c76d6a3339a1fa68e828b1697d6aaa52c890a6180be388f2e62e. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/QZK6N2465612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aecaafa436971c24c0b13bd3a2698f1dc2205cfa73cb03e34aa1fae26aa0728. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZHN92522261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18a3e4e64d87efb672a0586fee5f55be8a3de74070fd9f219278a201e7a5778f. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/QZK6M2549653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21bfb25bbaa95519e1e45244b6e55d78fc729ff694d26bb8d5cd75cc27f7bf79. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/QZK6M2549654.
Goodwill & Understanding (Legowelt Remix)
Goodwill & Understanding - Legowelt Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7518ca09cb30244e60a3b309ce8d3864d9252d54d5f94f0d39da0ea7f15d832. Chain 2 (Bitcoin): anchored in block 958644 (2026-07-19T02:21:25Z), 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/QZNWT2521093.
Goodwill & Understanding (1-800 GIRLS Remix)
Goodwill & Understanding (System Olympia Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa853286ca0e0b66e24fa89defa847a717578a89c3972d6f7274402f8c6fd471f. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/QZZ7P2550130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57ebec55433b227870e0531930de94ea97cb8839ede5460114f172ab244871f2. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/QT6ET2530357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8df9cd88bf4458e7ea31d7702328d769f5df6359e52bb095bbe7874902b18891. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/QZDA52432474.