1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xc6501d7b9d74c35d5d516b0b1d949c022300ca25d2ebe7a101b2adb3ee9b4fc4. Chain 2 (Bitcoin): anchored in block 953817 (2026-06-15T18:10:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fe0bc136-911d-4883-8e62-d3b672be74b1.json and https://artists.proofprofile.net/proofs/artist/fe0bc136-911d-4883-8e62-d3b672be74b1.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 → block OTSBitcoinBlock must exist at that height 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 0xa190d9359de3d4cf2a677b3ad42824e2a18699f60f8f13ec891651ae19232cea. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/MXF018800911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc41eba208ff654aa66c88b896d499c1431ce3885bff4a39b3337387b8b6cb079. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/MXF018800912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd334c03a7c937fccebade6b038ec918d7479b4dbb9035646911d70fb1c07f316. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/MXF018800913.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ad6e238d8144e73327f7d344e30e7f5427d89c1a0b7a12bbba602721b91ad72. 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/MXF018800915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe9615756c8b96325b091c5e275dfe28d0ac0657aaca3f2146f47e612685a47e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/MXF018800917.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe57cbea82d1253715fab6e92648147b1a1747511710986f8dcbf92814052d3b6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/MXF018800921.
¿Quién Dijo Que los Payasos Son Sólo para Niños?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x552b0c948bc89e6323ea0d740e998e6bfa17698589c2ba50f84a955ea4c25706. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/MXF601100664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dbaef1adc20273cc278c106feb5e6de4f3a22e5766af8950c4a6b832eb2fc99. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/MXF601100665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05e46fa807d613120bb45c520e4b4a85d204394aaf70739c30f42f28bc87f5f1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/MXF601100666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33b22624db8c54b46092c2a18d4494b2d004338a3f0382fcf39b9809592a053a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/MXF601000174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f1910cb536e336ebe0e52d453931f0f77bb83a7ad54e21b5b893cbe2085455e. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/MXF601000178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92181da22e9116e6ec7c88c8ff08d35fccd932b33d800e244874bae0beb11c76. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/MXF601000155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe901cd48e73864175656c465291ce0dcea335c16d2d1f0a263e7603e83ea9c45. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/MXF601000157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda94c3011f47f805e3ac77b65b504e5d05994ed8417bce4378dc140df2282ed1. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/MXF601000158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc00a7a6a11d823760b8a0c70e78760ee0f0b34c9eed2f0e57a140b733f8c3f42. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/MXF601000159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3ca0aa8c0300298e9662b5ac0dcaf7b1e23f126fea65a0e93a47ae887e7b820. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/MXF600700346.