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 0xc418cf1aaca9aec26ea29de43671a6ae877adbb009b401bb93c91270eb2a1c82. 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/38bb80d4-08fa-45bc-b3de-f767ae9a032c.json and https://artists.proofprofile.net/proofs/artist/38bb80d4-08fa-45bc-b3de-f767ae9a032c.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 0xb8b373e9e296bcd423f4533455dcd6cd730eebf15b2e573abe4afa54ac33c21c. 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/GRFM10200257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9d59553e230b8a87eb42e77f914b92c1cc1d61646a65154c5621de5755d9faf. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/GRFM10200258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47606159e54a842c9f26635952cca71ab8d4e2a237e5b98317de3c47de0c4910. 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/GRFM10200259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde76e31c6efae6169f35fbce4a7ebfaa82d43048dff3485632bff445ec8417f6. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/GRFM10200261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58d229ac237d61f684cd99c3b049bb22982bc7802777fe0b7a20f141c7cf9410. Chain 2 (Bitcoin): anchored in block 958822 (2026-07-20T07:06:23Z), 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/GRFM10200263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47fdee344804ffcd8e78da57db50fd501fdc3e391e254941ea5afa32cfd169c1. Chain 2 (Bitcoin): anchored in block 958880 (2026-07-20T15:13:37Z), 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/GRFM10200264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88362d66f7a7014e9a134386475252cdcc36c4801731f750b52c6fedafea74b3. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:31:42Z), 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/GRFM10200267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d954e3c0ba1bebcfaead7c43a65c0337f2a87458f718c166b85382f55f65f9b. Chain 2 (Bitcoin): anchored in block 958106 (2026-07-15T05:35:13Z), 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/GRFM10400335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a1452b7fbbd639288c40238f88c3b69b5423fc4b2661e3a578ccf8786d710c5. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:21:59Z), 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/GRFM10400341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe8131a207e7a06efd5006b0d9546efcbde0769024b7b71b6539dec7005b6e9f. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/GRE010800332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x941dd75585024fa9e3fd260fc57c7491bc503df0aff00a35c9b3a2af2fd7223c. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/GRE010800343.
Everybody Dance Now - MAD VMA 2011 Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedb7d6f8063d035a4588a11bb321c611fb318c2c63b12a5b128d60b69942b0a4. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), 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/GRPA11200039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59f4e623df0568c950cf3feeb052abf3cff9e92932e72d068925ff7a42efdc29. 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/GRPA11400258.
Megalos Iroas 2, Pt. 1 (Special Edition: Bonus Track)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3b1e2fadf46dffa5e92b4ab126dd821c2d7f63dc3c0f37b933df1b72703e270. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/GRFM12200525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x546b77b01caf36d26da3081dda8cead962b7940b8a86dfd74c6338e980ecbf91. Chain 2 (Bitcoin): anchored in block 958653 (2026-07-19T03:54:23Z), 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/GRFM12200526.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd6c56bc5e068e65c4d39ac2c985e47d31ac96a26b22c87c035c70104cff206d. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/GRFM12200529.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6674bcc6c194c3ffad8aaffccecdad2ffdf7dbd960a686e83a53e5e27cb50d48. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/GRFM12200530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48d104a869ce12cff67a96cdd8fb9b5f7c2228d4a23f4fc788c938be2fab2a0c. 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/GRFM12200532.