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 0x675e3fbf4d48c0a2849a9eacc4f8b1e8cf9d9ccf0c9452f27e0e25c78436d65e. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0340f49d-3fae-4654-a843-93a61b6651cb.json and https://artists.proofprofile.net/proofs/artist/0340f49d-3fae-4654-a843-93a61b6651cb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Original Broadway Cast Of The Pajama Game
The Pajama Game (Original Broadway Cast Recording)
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 0x4d1acbdde264b6a18a3f92ebae376d36e34a82c4049dba1fcbb62847fed45e32. 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/USSM15400207.
The Pajama Game: The Pajama Game / Racing with the Clock
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07f21054a30acc8a8dbea1416cf9196c100b9d1f6a3a23f6d1d856e9ab7f732f. 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/USSM15400208.
The Pajama Game: A New Town Is a Blue Town
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7d67e4ec25d9d5701c7a580e7b0f6d0dc03222154960c3c32e1b39cab746bcb. 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/USSM15400210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc97f44038c542edcf12e2796f0efce44641969311db5157cf270441b567145d8. 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/USSM15400211.
The Pajama Game: I'll Never Be Jealous Again
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5988de4e802acb5d2cd797db0d02f4401b0e8548e4bea1d5ca36d8ece7e0ad0. 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/USSM15400212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe176476a01086e4d8a3595dab551f2c90c0c17a5cc6faaf4e70118b2dd072df2. 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/USSM15400213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61522fa5d3a46150435b31b91c1871d6ad0d78de2ad9ff6b24cfffc0e5eeaf7c. 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/USSM15400214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a3c0cf48f1b87cd31e7185f78c94bda04f4e3fbbdf810a9b585804d1f6c52db. 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/USSM15400215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3e3dd1fd6c9854b3095110c140e3b567dfbfd090e73e5716e5e101a1f843d81. 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/USSM15400216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x959405959b671e3cfcafbda7bc8001d5e9b821f22984d7059007014d0825e134. 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/USSM15400217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd8c7435c3457d62aa38831e2e1e926027a01db45173e2a76b89a869623d17ff. 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/USSM15400218.
The Pajama Game: Think of the Time I Save
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x123f8280c52534714e8ece8d49329254d207f8e3d6a95288fef6ad565a8a4dba. 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/USSM15400219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa18592b4215192303d82461375720ae92db8776c26790971b2198ff176766cab. 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/USSM15400220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33e3fb7baacc94345a28082da9b2d7e112304dbf33b46522a83f30ca64775e11. 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/USSM15400221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79ebcc4398d14f0238d4c888187fcfc1853a7fb21737beb4da7abf8cb0e7e117. 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/USSM15400222.
The Marvelous Mrs. Maisel: Season 4 (Music From The Amazon Original Series)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07f21054a30acc8a8dbea1416cf9196c100b9d1f6a3a23f6d1d856e9ab7f732f. 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/USSM15400208.