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 0x8e580287ddce160216427e655887cdeeb28be5e2e00714b9b0d0cae685f3e1aa. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eee0b043-bb3f-43e0-b58f-b78735a03242.json and https://artists.proofprofile.net/proofs/artist/eee0b043-bb3f-43e0-b58f-b78735a03242.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 0x9f91779eb9f98f73b33dc22c22e0eeeddaf4ba0a3ca755a101a9adab6c711889. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:45:57Z), 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/USA560678442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab8d8fb02ea6afd7cc2da71ef7307b1fd0e7096c8eecc43cbddaecad58403c9. Chain 2 (Bitcoin): anchored in block 959034 (2026-07-21T16:34:25Z), 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/USZBY0900214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04da9520c3a8f80ce487042cc2c30d0ccefa87915452966166a28b7387c2bf89. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T18:32:45Z), 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/US6X81000004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf50680585ca51b193998a7b1c667acebc32a30e997b35fb503a03919a74b3fd. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:27:02Z), 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/US6X81000164.
Speeches by Martin Luther King: The Ultimate Collection
Martin Luther King's I Have A Dream Speech
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72b3d585f08b82daec919e1eb37485461199e891bd3227ed386c16dd0435a297. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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/SEYOK1114089.
Great Audio Moments, Vol.41: Martin Luther King
Been to the Mountaintop - Memphis, Tn 4/3/68
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd63822d20618b4a6cc580121ee3948cb6513fcdfff6ca5abe2eb94932f7f2ab. 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/US6X81300356.
I Have a Dream, March for Jobs, Washington - 08-28-1963
500 citazioni di pacificatori (Le migliori citazioni)
500 citat från fredsmakare (Samling av de bästa citat)
500 citas de grandes pensadores (Colección las mejores citas)
500 fredsmakertilbud (Samle de beste tilbudene)
500 Zitate von Friedensstiftern (Sammlung bester Zitate)
500 sitater fra store tenkere (Samle de beste tilbudene)
500 citações de pacificadores (Recolha as melhores citações)
500 citaten van grote denkers (Verzameling van de mooiste citaten)
500 citaten van vredestichters (Verzameling van de mooiste citaten)
100 citações de Martin Luther King (Recolha as 100 citações de)
500 citat från stora tänkare (Samling av de bästa citat)
100 citat från Martin Luther King (Samling 100 Citat)
500 citazioni di grandi menti (Le migliori citazioni)
100 citas de Martin Luther King (Colección 100 citas de)
100 citaten van Martin Luther King (Collectie 100 Citaten van)
100 Zitate von Martin Luther King (Sammlung 100 Zitate)
500 Zitate von großen Denkern (Sammlung bester Zitate)
100 sitater fra Martin Luther King (Samling 100 sitater fra)
100 citazioni di Martin Luther King (Le 100 citazioni di...)
500 citas de los pacificadores (Colección las mejores citas)
500 citações de grandes pensadores (Recolha as melhores citações)
Symphony of Brotherhood Rise (feat. MLK)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa35c97e81dc97605588d3934fd5e7bdb333106d2bdd860dea790e6794c17024d. 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/QZAKB2155365.
The Roots of Resistance: Selected Highlights from the Freedom Archives, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0b5bc17322b86d502c45228f31496fd0e2e131a3b8c2b456bd7bd6906aced8f. 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/USQ540800109.