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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 0x6dcf3258272ffaa0c938293b7089a4672931d042de326911651311f56cf429e3. 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/7294795a-60ac-4640-b02f-f30ec55ebced.json and https://artists.proofprofile.net/proofs/artist/7294795a-60ac-4640-b02f-f30ec55ebced.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 0xe6ba4e5528989f8ac893830ab222f5ffb3dece3e3dba20e19d28219ee1453d03. 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/USQY51716111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fe4e8796edb054ad0a16b63f3a99c0aa0357b76ddb0a015e74179c4898eeeff. 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/USQY51716113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85967a399f48cd3d494cd4471078eb96f730ff0f86df1332a499824fffff7589. 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/USQY51771495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac88832c1508a2f248131f55d03cf8543f1b1d1044f5c88e9ca5f88d236b14b3. 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/USQY51771497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6f95cdf8652c6a6f799fb9ed9ed055000986f26a30d8a7faa8aa0e10ea511a1. 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/USQY51771499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f2475d4279a999454a5e2a60743a66c6ef7187d240c8105f2111d5e043c5b39. 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/USQY51771500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea7af68845982ebc4512898ba7590064e3a5ee920f89ee9109867b2b92440269. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-17T01:01:31Z), 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/USQY51787663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed26da168599077c46a5b4420744e4bfaee7b3c56ac78f60e8e45194c6ff492c. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T09:29:51Z), 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/QZCE61887454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1d6f9a6b3dedab59ad12f2e3e4dc86260e86acac66e2ff3a9dac997e8cd17fb. 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/QZCE61887458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7656fb387e22e5a4bc3058167f11bec3321af3829a755deb6b63b99330f5160c. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZCE61887464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa15f56a2bcc72354029b7eba5d2856a7e8b560d2d1cbb3cd7d425694c094e359. 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/QZFZ41926596.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87738ae0197a9343f954617421fa2c6d2e5d80f4faffb8d09c24916e339fa9b6. 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/QZFZ71956347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69f81566ba926fe964cb6e9fe7f07184e34c1f17237ffa8226d38421892822af. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/QZFZ71938154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb33347d7b6aaea406cc2ec50597d901d71b3307e912f43d972df05a867da55d. 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/QZFZ71956351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f6ebd5a671f0dca31aefe6063ebfdb496c194aff5092b5e7cd3b0c12ebe8c19. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZFZ32002188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95ed8cf1f91437058ec446a6212eecbe2f2b104ac37a356a93ac103e78a665eb. 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/QZHN62038833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2c1560dd4a6897b9024bdc41dfd9f9395046b63e5f6d3f38f03d07f890c2bd4. Chain 2 (Bitcoin): anchored in block 957959 (2026-07-14T05:54:20Z), 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/DGA052016757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb8b54f2d9b88e815f624193e2bd895ac2c83cded039c011093319c02e3d8ccb. 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/FR2X42150688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2c1560dd4a6897b9024bdc41dfd9f9395046b63e5f6d3f38f03d07f890c2bd4. 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/DGA052016757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3161e6e6a0ab19018de560f70448f305fe6ba991f0dc4a6073cb1fc9ccd42110. 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/FR59R2184891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5acdcff743337876da0d81b7bf2d8d10b730b86b5fc1c850d06888c1e33cb7e7. 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/FR59R2184893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e017f5bf7578767af390d7cf921336d44a06da0b7ad30ee6d0da10488e4950c. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/AUBEC2310420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2467cd525b3066db6fa158726bf06c91a00f77c10342beb15920636aef6a3086. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/AUBEC2317374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a55e7e21dd71e05e55b17fd3df6890759b2ed2d26fdd55cde50f38f94a834ac. 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/AUBEC2336063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1218fd0dd78d0621e9c582e04089474e77bdb6b84ca50364ada1cfa31834f3c6. Chain 2 (Bitcoin): anchored in block 958218 (2026-07-16T00:33:33Z), 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/AUGBT2330015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe7c0987de560128d63e687f591bcf1629672b0fc898a545f23b4eb1ec53e9b5. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/AUMEV2442327.
Taste (Make It Shake) (Remix feat. Hooligan Hefs & Nerve)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca8e7720d374a84ef5c625c0f849f0ad63603f30c2a4e1239f850c7b4b232fb5. 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/GBARL1901240.
MR. WHIPPY (ft. Nerve, Mulalo, Cult Shφtta & lil golo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c8847be6468b367c118be9dd5c35b004555305eef8111a64956b9c56b499dce. 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/AU2DY2100524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c4c753be6d60023f2ffbde270712c5fe6bd268101afc8885ac0ba31cc9a9225. 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/AUMEV2020400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f3dd8c7239fbc931bc84cfe2e7844aa87280a3cda25668792cdfe57928b4dff. 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/QZHN31977553.