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 0xae05f5c2d9f26dc0b557739f3d07d8e76b5b55089b99b2e5c34b6e9a8d23147a. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/64d53fd7-9f12-416d-9ca2-8a52d30c3a1e.json and https://artists.proofprofile.net/proofs/artist/64d53fd7-9f12-416d-9ca2-8a52d30c3a1e.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 0x7cf2bf3fa4bcf920f9f479aae621dd0eb040b01670273cb00e35affa9cecf778. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QZFZ32560899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2a5ec52c5f9846d75664c225dee8bd23ca7d970bec9c9246b643c2209c44cc9. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZFZ62593999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x678d2bf8da66d7c9338042b6766f3f7ec3e057642968b79ce6058e97e9dcc734. 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/QZFZ62593997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc5d1f1cf72c3a950f072ee5c9846f601ef3273badb1b985a81d8096bb6331a3. 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/QZFZ62593998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2a5ec52c5f9846d75664c225dee8bd23ca7d970bec9c9246b643c2209c44cc9. 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/QZFZ62593999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa37b094a41f162920e62511212dde2a81cfb75b58fc1c23bfd6061fc1617490f. 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/QZFZ62594000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e582c777d88f78f587cf891b852320167d4863d390b2a96c7e23a09b99be113. 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/QZFZ62594001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4756542060d91b8b19c4390b2487ddee5ab99f55e7922b33c975416059ffb5c. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/QZFZ62594002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa457730aa4cea17d5e35e29567079197976c90c29b7e5316719e71615cfbe761. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:23:32Z), 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/QZFZ62594003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa54f09c11778cc98f83de46b138a514791f9e15dfb370add3f1b0865233c6ab. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-19T22:59:45Z), 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/QZHN62594589.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1c9d8ea6d1edb20164a1109c83f49982f3a66f89b3222be4bdb8ecae1ac87c1. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZK6Q2543966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd309857e980b23e19d99bb745aff1dc68f8d1ca9b8c8b8dc3dda9561aa1df9. 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/QZK6Q2543962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd309857e980b23e19d99bb745aff1dc68f8d1ca9b8c8b8dc3dda9561aa1df9. 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/QZK6Q2543962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d9c83afd781fffe31ff4bb003bad29c54b729b9599300071c7508a12d5d5649. 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/QZK6Q2543963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc331bfe79c1bbe30c93055e597e6de58f4446878f528829fa86279a5a4e38816. 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/QZK6Q2543964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x061cc54b62eb15da96016c465f433288416a7e336a0cf5fb31c6768f95e49c39. Chain 2 (Bitcoin): anchored in block 958514 (2026-07-18T06:54:37Z), 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/QZK6Q2543965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3fe54211d36e9b97a810a15a738cdaf736bdf7075d1445529aad094bd275a34. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/QZK6Q2543967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc442e9463b79646251c546cfe6c4961166a19d6004b56fba015850553d07f194. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/QZK6Q2543968.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5422db2d6755785e72118eebd2e55df7fd98baac73ccd05460e82fec8ea29d5c. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/QZK6Q2543969.
Feel the heat (Special remix dance floor)
Feel the heat - Special remix dance floor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0ca2d3319d5fdc02ffe6c58d5489b0e411905fc7a667be94d5953a3b948a741. 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/QZMEQ2593128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2010a8dc56afe211df2e4ad477cf1ce4c1fff80156d30d1ff92b89b8bd9b942f. 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/QZNWV2585065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f84774cea2ae4ee4235ca1c88b18a55a3fcd54009a4811d035f6a5144cd3c8b. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZNWY2506033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f3fe3082d2a4d05efe7d6ce4a1566c7252a9be5d71d8e9e77e5c0c916b6a721. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T08:27:02Z), 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/QZMER2539308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39e891dcf41b4db01ed1aee044dbf3eb34e8485e24c8613be1f178e0a30b4028. 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/QZTB32595510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc3e7db9fa17aa74b3e96829c3d4ef0a5667a39b9ac13bcb64fafa1619a47671. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T03:24:09Z), 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/QZMER2537492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf81a2cedaee6806d851900b692f8e3bbac627f9b30c1dce4734de7c3a85bd717. 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/QZMER2562854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf45d68cd3415e3ae176e41b1fefaa75deb60e9158e6308343614f7d04824bc0a. 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/QZWFE2512452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42d09e22e1641cf0714fdbd583610870a98484612bb47f5f2776bd3c3b0f8e45. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZWFE2512455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbe914f6a3091ff305a6e8451ec0062326f8b46b7cdd1096c50ddb3071ec3a21. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZWFE2512457.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8afd15a06f0f4ab5f1798b91bbcef8387b6125b978a9b1e7db76aee66edb0baf. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/QZZ7M2567291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bc6307191504337f8d660a9982bb178a44c533bad09154bab9e80b65c58a970. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T17:54:31Z), 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/QZZ7T2584835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5df0ba822eab8bf5ff3501b76809807006c5bbe4af973a821fcf891a580a23d5. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/QT3F52528393.