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 0x784520d6e0834d8ef72788a33923ed7aadc1c841ad36c2043ee4a6880e95c296. 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/bc000f25-ad62-4516-a1de-8db54ec967c1.json and https://artists.proofprofile.net/proofs/artist/bc000f25-ad62-4516-a1de-8db54ec967c1.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 0xb116547e1ff82dd1ae40273e3dae79d912d8932dea9f76f7d69f35846a8e54a7. 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/QZHN41920544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12ed582e93092a5ed0522fc76a630f207fd439f250e972dc34c27eaa3e5e6c58. 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/NLG662000127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5390b205606535e20fad57d54606e774500d46050a355fde5595f618105ef041. 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/NLG662000128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3a5eacf1cac2d483f298b3f6633c9b53995b143f092d2ad62ff2175c8b14b67. 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/NLG662000129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a3343245e792ae2070e954ffee61718a8305c1c5cd3e179cb4e28baa1fa4ef1. 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/NLG662000130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45c6ab7dc0a5b3e4859acf5e928ab10a0af7e9b9951ce580c281cb42b19fc4a0. 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/NLG662000131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe98ae88836c8b58ea256ffe975eae3c960bb0ae60906ff1367c04b19b06ee69d. 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/NLG662000073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b4e37f9f060a75982b11b2e5df5c6fa5652d3f6f5964942aa19e04f26486431. 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/NLG662000132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d5ba29170fca3ced2f1a3b31f770a4b4ef086f814502a4510505d35322d4fa. 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/NLG662000133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5777869e1ad37109fba4381f6bb535968be007d3ee71cb00cf8139c773a686ce. 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/NLG662000134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c00aecbf063199bfc49e331ccef14f8f8b24b50a772eee2f42609041ac3c2d6. 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/NLG662000135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d37a96d0ca5077d6611cbb28fc2f734801e8b51d93cb3a8fd5bad6934b45ad0. 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/NLG662000136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d008776b7e1b403fba5f5b5a91d47c7a9cd95389e03446a21896623f76fd317. 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/NLG662000137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc745bf8f7f197136e5bd781cc3e578cd7d3db07cf12d38e52de3fc91ea52c30. 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/NLG662000138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2071a372119a52f600c7e7f8fed96b3489163818ce86255e99532ff19a508b40. 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/NLG662000139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f613a956127034c99f19bf1ef087097d7944135a081c2e1b5b699e520c30214. 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/NLG662000203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8af7e63f42d7b8d183a4c834d23ee856647a1a6dce92133aa4800ecf03fe4e39. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/NL0472000105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc8b7e36cf364c18240f29be76e933264691301b77d045aaffc7494136a86bcc. 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/NLG662100037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcf3bb2d72dfde6c3ab5d233ba66c85e5492fe31cdac3007300a3dffe80a8761. 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/NLG662100038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e0cf64cc7af5005f661251aaead439886ede8ca7d12d0168d37e63c4cef2ad1. 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/NLG662100039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27248f465540c323df59ab657aead3797de294b2dc32c7f6fee91bc5feb293cc. 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/NLG662100040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b451239462123d57751fb2b62aea447223a1531367e5fd53906425c479b5536. 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/NLG662100041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d357cfd3c38d174b14effd577f0db5ead978097e5f47acfafcd1267a56ed981. 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/NLG662100043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb3c3673030236b10d932d3deadd04caecb29cc2c1ad5dbf28364e15d33f2fe5. 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/NLG662000875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x927dc35956e56e75956a2d54f932434a5288c06eb9e8515271c59c42cd735108. 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/NLG662000876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa067d1f209826762df34e35dbe817bc4208debf8fc9ed446bbb41458215d4db2. 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/NLG662000877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14f3a17de83e742407c14163b30511379b6d94ab3fcfe818bfb01fdfef98f1c7. 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/NLG662000878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc7694f6423e381fda97620bb48dbe409cc2b70e243d0b6f0fd0b8e4a692431b. 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/NLG662000879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63d0ded78a31171057366285d2d9dcdece7c9709f619c2a8f906d6999e040f81. 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/NLG662000880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b8a9353b68f8c96f302c74b729068fe808d8e45b550125d285cd5cc6083027b. 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/NLG662000881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa76596aa8363458bd1ae15ed7c504352a854f1272109a02ed4a450e56b15e1b7. 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/NLG662000746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2997bdb5a3a2baa10c433a533873c5ea5a8afc4d7d4abb55e367d8514354500. 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/NLG662000882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9390c370825b820f26441f9b8edc29161a91f262680330f132d97cb4c19543a. 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/NLG662000883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x863d1521c3d0c9f3924f4a386fdede4202a35073452992ece7691182276e8c50. 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/NLG662000884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x411895df23ea657102e66aa7d3971280d9c370f0d1634c4354a3ca137d8dd725. 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/NLG662000885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecd4173caf7563c519c6e490e16f4cfa664a4af2fabe1b95fc82bb57017d209d. 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/NLG662000886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07f52e2ef694dae0fc9de494e4aeca38faeaf482c8f3d42246451593c48f6a3c. 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/NLG662000887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2ccf2e22bd945f20147229a82e118c9bd15e343313a0bc707ff3a2af44b4397. 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/NLG662000533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6865c0e3b060712767eff47a6057e491352f0568a0d06ab3cfff16bc8297853d. 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/NLG662000888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70e4101b90bb7d7a46f1767b64853006b053964dd9bec09bc906ce1ff1992e57. 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/NLG662000889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x412c830ed9d3e75879e6b3a204de04ae7a9b1ad1593b41ed35b9b9a7b42caaa7. 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/NLG662300442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc983b7c204f43aae4a056470c8238e7788a7bfc0852fb983494f32c368aa19d. 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/NLG662300443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e18c5c6ac5b891a55af7b3e85eb33515a32962a028ca2a4dfd34f707c96e79c. 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/NLG662300444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e5f469d78a8718664b84520600afae498f85b73527e8518a207e4097579a539. 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/NLG662300445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x295fd093b8416c9844bd6e67e93e019fba460cf312199009966d9d24a503c7bf. 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/NLG662300446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74996a544f13d42f6f83becdeb8c06779333deaf789d8efe70e46ca3714bd1bc. 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/NLG662300261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbf043bfcaca9cf442ddb0883a3b1479cc70ffd032ac43b7ba7b0699cf4911cc. 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/NLG662300416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d8576c7aa0cfde17139a27767182a4759e492ad129577826587ce88433b466. 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/NLG662300447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30280e3eeb936313e4ee40b95c73f1527281615776344f1ba2e01cabef4ae669. 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/NLG662300448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4733f594ca132b402bd8dfb8ec46c9f652e7031e20f8e251cded7236e08409e2. 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/NLG662200028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeee63bbe14f8d199dd835651e5044f315168982c985dfbc8eb4a1b0752e0e68. 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/NLG662300449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7427e0fc724736818d553210ff683d9047c53cbaec455e65ab35669e3602873. 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/NLG662300450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc77946214002075868304e08dca27582bd659864b9b90da6e9deda58784d56fe. 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/NLG662100284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a009af074427ee7226bee305ac4b4607f8cccc19575d2a4bd0b46dda14be609. 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/NLB8R2000303.