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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf257a71faa0a9fad20f25600062247152359ac3c0b5b7e686f6d473efe973db1. 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/0a242bb8-30a7-422a-8ebb-77681323f08a.json and https://artists.proofprofile.net/proofs/artist/0a242bb8-30a7-422a-8ebb-77681323f08a.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d03c90b4bfecdb0d79395b80cccc080ecee5d0a80308d3d998b4430cb83c1d7. 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/QZAPG1776878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ebe3d24bc6e39995b81cf9918fb457bf7fdf5651fcefac1860a58e077dec26a. 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/QZAPG1776882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc2cb417ed2c1d17ac5efab4c18fa5e45645eea56194aacda09b4694ce8222f9. 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/QM4DW1821296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13ac5575bd37e5547a5f582029a4e888821fa96909f21bfac8e28221bb8e1f85. 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/KRA381901405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b52f06bd561ac2b11dc81a5b3699dca445b3978633d870e55f8e1223a7f43eb. 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/KRA381901406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05358fd5f69bc6c274d283d2f3610f3f2574dd3e27391657d6c855e0cdfd897e. 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/KRA381901407.
It is okay to be sensitive 2020 (Original Soundtrack), Pt. 1
It is okay to be sensitive 2020 (Original Soundtrack), Pt. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80282d7a9973b4fe31a6bd49ba216aa078c60aea371493a04ba4caa5b2a18fef. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-02T22:05:07Z), 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/KRA492001469.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4be4576a40285c9cf327188efcb1dbd246b18be9e03e807c77022aad6859bc84. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/KRA382104215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bae7f0d8aa4e3bba8c2889df371651539b0d6c27340ad62f5f9e655ac740761. 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/KRA382104216.
The Witch's Diner (Original Television Soundtrack) Pt.2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81304e12d27d7dedea72f8aa5540d6e0b4a89ef748eb077dd561ebbf7f5aa90b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/KRA382164315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf19a5a16a4508e086fec14ad0df25290d99d1045f35bdf41addf3d7222917da. 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/KRA382164316.
Behind Every Star (Original Television Soundtrack), Pt.3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x153eef7ca0e3dc89d5fc1844b14613edf08e8dffbdd3483cc5b5f081d734d077. 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/KRNAR2235669.
Begins youth (Original Xclusive Soundtrack), Pt. 3
Dreaming of a Freaking Fairy Tale, Pt. 4 (Original Soundtrack)
How Can I (Secret Relationships X JUNNY (주니))
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb785097019e298e6819dd189821216c3d45ad38ebbb9cc43980b4a1c7029a591. Chain 2 (Bitcoin): anchored in block 957723 (2026-07-12T15:34:17Z), 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/QMFMF2462570.
Second Shot at Love, Pt. 2 (Original Soundtrack)
GOOD BOY (Original Television Soundtrack), Pt. 6
グッドボーイ オリジナル・サウンドトラック Part.6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cbd77acc117e2a1bf1a7546a80ddc29d44cffa0538577fcc8219f2f33c471b7. 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/KRA252200152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b6fcf49e2ee163fa6377a2d08269b31a450fbace1ed631fe7a1d46124737db0. 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/KRA252100402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17b8838749a09ca1205f2e8d3fa60163544c648bf580c51975d44f6fd710f26e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/KRA392200023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a2ebeb3f5c313a2d1cb4e90a8f33323b18e845b2fa70ab858ca6fc50e9d262e. 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/KRF152100026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0431aed340d33c903558233f3f9d3776bd5834d78dd229def29adb306fc5c3c. 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/ITB002200854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5adf662fc72e794f631c3b8e2de0dc61d610f10cc31d4dcd19e692f53a71c0d8. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/KRA382400390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58c6b71ebf327df2dc11a4c253d28fe5893929520c962e983626790aa52acc31. 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/KRMIM2015744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb68d1d5698513401d6386c20e9ecc488b95ee6a8d382641621f89099d9d2db9. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/KRNAR2351294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedceaeed1ebc52904850ce6c9305d8b4cdb18785eb584fdffaae49762141739c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/KRNAR2351298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b3be742cbeede4cf281fa6ef342222bbcee6c1c05c6f7abaaf43fddc2cc9a6e. 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/KRA252000755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaf4f0313fbca9bcca6de124d151061c590b4fe5f2ec5e4fc170cab905403357. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/KRA492400522.