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 0x51a2f530ba0b3f7986aff54dff0603e5a0f333a91515361d420ee0f2a454ab03. 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/eef1eb5e-b50b-4130-a16f-2f5edb6d44ae.json and https://artists.proofprofile.net/proofs/artist/eef1eb5e-b50b-4130-a16f-2f5edb6d44ae.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 0xa1bbee65b7b3c20d7e132b8dd6408c604ddaab4a1087d94f01a9da1a2af84c68. Chain 2 (Bitcoin): anchored in block 958706 (2026-07-19T08:50:34Z), 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/TCAIO2449438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34215372a5c0ff26de1e7a7e94afa9bc2b815971a10865fe16cef046d11ebd3f. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/TCAIO2449442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed40ef476f8893eedfa895a6624ec218ce23fd8a9bbd9e1e36d4f1d44efaaa5b. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/TCAIP2449443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27fcc1a1931c345c8b6446321df757a235a4a37c49e05c4ce65245bdf0201d7f. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/TCAIO2449452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d0868481e2077006c2c0b9eafd78ab568bc3aa3823ca003f4505eda2b5ba727. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/TCAIO2449460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cd03bcce3950d8808ed93c377493dda2a7ef59179093edbf913b4ec68871df7. 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/TCAIO2449472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6073355b08f6e5c556e2a607d4bb4619d20ee62f4f5315170b71d723c9b3acb. 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/TCAIO2449589.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x621bc345244f9ec5eff8e32269476e172c78dc962db6e0f32feb366e69bcc610. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/TCAIP2449779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc21ddae89c8eb9f02c278ce396ed6cbd4de89b72c826b483feac34142ad1fa83. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/HUABL2200001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a68309e280e9e42913fbab1a082c81335965e184039366d20fc5891bef0dea6. Chain 2 (Bitcoin): anchored in block 958067 (2026-07-14T21:26:15Z), 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/HUABL2200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0d045198f4cc7c28d07535a127e33522bb876cb26e6e2e8b6ff17c32a919d28. 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/HUABL2200004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c223dca39e9827fe96e65528a2056a12feebe9ba41f757ec155d71e8331dee0. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), 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/HUABL2200005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e5fba4f6647e6eef0cfccc075ccef50c1bc02b6f3445c4e9e43ed01b9174b39. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/HUABL2200008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb5aace1fd791c6283e01d0d284069a87e01360a3822b44cdfd03e0826055b7. Chain 2 (Bitcoin): anchored in block 958573 (2026-07-18T15:49:54Z), 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/HUABL2200010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5200ce4d13b29374345eda67772a8fe3f516f783c107854631fed6a9ed620872. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/HUABL2200011.
Az Élet, Vol. 1 (Ez az a nap! Stadion 2022, Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaccb95a1407c97a5b27ce9c43ca8328e91fcc358c6bee4cfa737e3c10f88ee5. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/HUA612302256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b0e358498841a89f8ba8d0b90ce565b19aea615997b4693391d64f874b46849. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/HUA612302263.
Ez az a nap! Stadion Dal - Hivatalos Ez az a nap! himnusz Puskás Aréna 2022
Ez az a nap! Stadion Dal (Hivatalos Ez az a nap! himnusz Puskás Aréna 2022)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09afe925de20cd2dd991f5fcc29324965d8e51789a7cc03dfa122513de41a1a5. 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/HUA612201550.