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 0x7a17b7a1aa8073814b9625b77b45a277c311b8b341414b9e019b2ae0e13d00eb. 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/10da8091-3af0-4de1-9ae5-81bd3f5b3df4.json and https://artists.proofprofile.net/proofs/artist/10da8091-3af0-4de1-9ae5-81bd3f5b3df4.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 0x014f226599363878bd4a7620a63d42a4072201075fd450f2673d0ff0b7b88c4e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ITC940800216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cbe1c5a617225772f792d806a88b046fa24411061b6981fe80781af4aea3845. 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/NLS761900223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3cbe947187c3c1e82c4ffc29644950b57e57e9be00b675f754e402d35af0f75. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLE801717014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5c82c64f725a9d55aac13ee1e7ae4908983049b35d16fd5fddc3cd28add1d1d. 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/NLE800610052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf8fcf06a554682992291870ce4ff06bb5dba4af77d142e76fe3211b17c97c86. 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/NLM070600016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x422d23030071c8b74c90851fc2071f12a5995916b06c6cc610e5db9a515d7788. 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/NLE800900164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23ec2e0fa752450b67da00eef6a348b97e33b623962bca0286ea61da789420fb. 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/BEB681000277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64c44d6b4e3fa5e667a126aa57f83c98926b03818f10e5ab1af729f23acc5c00. 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/ITC940700759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08116b4cb16ae594f103056eb1cc110a0519407d0ef6a84624f1d271691b1348. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLS761900949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79427a24b8cb64a0ec9e117003d94604e89142c02a9477e74062d6b1709c2c91. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLS761400277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4899c14feeb5ad80c2a2170327dcb116df1f39e6924969cae5f69d051f2d5474. 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/NLE802020001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe17db483f100b58bc3ffdc232bc5a2188e2171edd3cc2f67ead21d70006c8c84. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLS761900945.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3996f292fc0e872e059612a168f3e55b02c885723bad4b50baf79e97f8dd7ffb. 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/NLC200900005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96d340841f729f14bd6465302b620bdb7326f79be4046ccf4ddba676fea144c4. 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/NLE801300540.
Next Dimensional World (Qlimax Anthem 2008)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d8aa7ba6b462ccc239b2eb3739f0cf3cdd8224ed7ceae5ec4ae8bdfae7e7f44. 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/ITC940800955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f6f8557a9ef026c6855b7d6f9141f0f595252fb4cc18e8795e8bfca67bb412f. 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/NLS761000511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc36ba2df8e09df35b444c04dfdba8382c855046a2e25240fa59d81536536393a. 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/NLH2L1700351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5313e28e183fc9ab75df55fd09135d92ef1e36be322248834a7d5a5aebd2ad45. 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/NLS761900859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6287c757816edb4272f1b694bc32b3354347c3983e1c8dd59638f69c5e9c01b. 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/NLS761200059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d447639102ab06af1c7d1f79dc030b9d3ec13a78311c57a8dfde0d833022263. 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/NLE801200381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78b521ff0bfce6897eb6573d36cb4c245e8ad922196ba3cd998e79ae3bb53ea1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLS761900186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50b85fbcc8115e73468e09ab35bf4278d537e55dff3ed0d5c81e1e1379469507. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLC201000007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21f5432ed0cf51e535a8a0ec29e9a26b03f0e8ffb540d713cc4d775561050255. 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/NLH2L1600128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34a86fb4aee9ccc9580d0dcb3c8b1264ae51ece57278ef489a0eab2e0c69f459. 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/NLE801800061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b0ecc2b2c74371d66156f11228fafe5c6498d22bd5e7886357c2c8e48433edb. 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/NLS761900305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf58f401cacdbfba20ebebfada99a0e2523acd4b742f895f53b772c8f4dc1baf7. 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/NLS761400176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29a7f5b1e86c65faa2deb90c8af5474f341b433067f5e5ce74892a7dc16eb3c6. 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/NLH3Q1700081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb67b1d09bc1fdbca007b68442340b559d67f820d269cde3e9083fb255f46aabd. 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/NLH2L2100218.