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 0x8c9997aa504ea918ec8693f8da77286a7dd7c7af98672971183ba7933b09c74a. 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/92754f94-e691-41a7-9950-3bfe23294e71.json and https://artists.proofprofile.net/proofs/artist/92754f94-e691-41a7-9950-3bfe23294e71.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 0x20de68b1e9eaa1bd02b47ef4ed2716e77b187606d351b99e0830484a69305dac. Chain 2 (Bitcoin): anchored in block 957647 (2026-07-12T03:57:41Z), 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/QZNWU2038923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5d7f7775d5c01ce08d00b865e8147a39ddb93a42183736269b69e82a45c87ef. 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/USSM12402191.
#FreeMyHoodFuckYoHood: Bounce Out Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46cc0249fda3902d4d310eab4fea1f99ab358443c8f52299be868c8dde5d5331. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/USSM12403311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef2cf6851e791d125e03c869197641b47ed780f395fb0716b7046904ca3d199. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/USSM12403313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd18cd0fe1694186ba7f15dd176005aae3b7e8c5ad11f9d8570ac0d1a189b0cda. 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/USSM12403314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fa6905b4ccc7fb7c092d56d2c6b82effd98b0e0cbd97e6a8f0b247813c0bfd5. 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/USSM12403315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5d7f7775d5c01ce08d00b865e8147a39ddb93a42183736269b69e82a45c87ef. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/USSM12402191.
Vonoff1700 |Lil Yachty's "Coffin" | OGM Freestyle
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29b474ed9fd898b9a69d3f36ba1dbf55230c9a6712c48bc4158f9af182a173fc. 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/USSM12406780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07b19bbde97b16c0a2feae56116cfdcdda07af3b509ee467a622cde2b9d5cb9d. 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/USSM12406792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd00a7ed3268557b6cd4ce5709ad186c08f909289d226db23ef74fa459270ebb9. 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/USSM12406779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x249829f3d91596147dd4aeb17b9dfe49fd47eceb6dfba6531bd657efe8de25d3. 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/USSM12406781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dc6ed577c10ac31472c1a4c5d64a28a0968a7547961de7b34b7b6bfaafeda9e. 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/USSM12406787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc1d0223f9eaaf9568da328d1d4343cc2edb8871b7c8b7ab3862b4a15cc7f99e. 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/USSM12406784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b1ea8930cee151af11c931a465e878a53ac45b2ff90b746ee031f4516638a20. 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/USSM12406785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a918c7b8fe8232ed487f2c52787214f4fa3fb4eddd2aaca6bc5715ebb8c3ab. 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/USSM12406495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d854b14ee0da964135eeb0514116a841dea9ffd87c5f3be1ce85a28740931f8. 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/USSM12406494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4a115163c6d8401a40023b93a3e8373419ebc5e3b4184e756091e9f7537699b. 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/USSM12406788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x957d6c025b38efed5302104191777075573d3f7e36e1aa26bc1fe2783c72770d. 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/USSM12406786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fffafa43dbacc51207ced55ed2278cac424f61ac785c4e22eb6536efe93f3ee. 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/USSM12407226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29115ef91e67cc248cd3a549b3a8d9acd1cf1164a0bd2c58786bd02951444dd0. 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/USSM12407227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9280ebf8d7ba4df3005db49f0d24698a09600ffb0455a951944518c39632d32. 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/USSM12407228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd38c49f1d40edf500112d930dcd9d1802c0700307570b48033d6dc216b0f4aaf. 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/USSM12406782.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x550cb3e6f3bc6b08412b1ef8785c217ad017a4f7b5aeca968a1fb2eaef978849. 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/USSM12406789.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe1da155b50964268306bec18b3ecd11acaba103d0e61d957cdb858ee6f932eb. 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/USSM12406783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e83e3bc8fd36ddc6c1a3100752234d067366dd746aa44e9a880b6d33c7cfb23. 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/USSM12405645.
Turnt In Real Life (feat. Rio Da Yung OG)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf456489f0c5d73b1154bfc9e6dfd642f5bcf89c1054db7df3c03c68f19194a4. 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/QZS7J2430123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf7fdc063017687cfead2ac87b406736d0e3298256b01a760b2f7acfadf36fb4. 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/QZQAY2410364.