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 0x33b9683622ff2613ee0290f4f3a1890abc62724c4d8352df93bc90557a97f057. Chain 2 (Bitcoin): anchored in block 953889 (2026-06-16T04:57:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0e9b9c7a-8bc3-4fc9-a554-b93a183e09ea.json and https://artists.proofprofile.net/proofs/artist/0e9b9c7a-8bc3-4fc9-a554-b93a183e09ea.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 0x42a697660f1962bae4edfd59b0054dde8eb11c4c1832653f5ae39e8e585b3423. 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/QZHN51905412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x911f1fe09e263d7ed8a9e873421eda1da4e1e08cd59658c49964002287bcf011. 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/QZHN51905420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd75501fa0f2bab29be5f2e1f986be696494cd25883c9652bdcd3e0453677358. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/QZHN51905411.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cc103c71c074f526d6454f5ac16dd1fe46a22a3d805a2c46f89166ff39ca3f4. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/QZHN51905414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ced95288fea124d6d4dea3e2e170bf8abe05a554e397266841def3f6461c82a. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/QZHN51905416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58882cc534533bd831ee2ccc68d15338de7b2b311edb6a4a78ec60e845acc4d5. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/QZHN51905417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde71067005c21ad70a4247db4a1744b107d5d648c8fdd37203ae01819b3ea412. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/QZHN51905419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedda1dc7f5c9d7cc1f8ded36e426e78c847f5cacf67e2b7a1746439ae188bda5. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/QZHN51905421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fd525179b8352073687b85c9d9e10d853a8846f017cce459650e1cf05fed0c5. 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/SE6QE2378778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x008cce0361f9f42a07cfc652ff894d0eee4ef92b9d7679e0eb3e1923a2259677. 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/SE6TI2354614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca10ec04d190d2aaada721b34b7e6b007acf44ee65049f7b88442a2170333473. 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/SE6XY2334652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0844f9bff40b83c916b7f1350e0a8c679f773809c7963a256e8758da3d079ef4. 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/SE6SA2346701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x284b3a84d4b53ca6651ac9c47b22c723c331002b01a84703db5a70b982ecc6db. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/SE6XW2303240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c052cc0d41d5be99cd423e54b3d4ad4ca20a4267b5c757bbafbc03a07386514. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/SE6XW2377536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa704e94208d05434135c6175ba025288acc3568102b87abb8d0b61eb285a0b66. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/SE6TI2394457.
Dark Territory: Deluxe Edition (Original Motion Picture Soundtrack)
Dark Territory (Original Motion Picture Soundtrack)
Paranormal Encounters (Original Motion Picture Soundtrack)
The Eternal Silence of These Infinite Spaces
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcea7fef10ad0481d8e75fd08c7e7d10b87e6791ef8cc54bd8f518e43427ea92a. 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/US83Z1908453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c7985f14c9b20a87eca50e46996640bdc6733519e33f3146c93a91634f2fdcb. 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/US83Z1908454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7096cab15977e17449f6d29623993c72e8a55411f685df63dd219dd9547030f1. 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/US83Z1908456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bb7b353187165e67259d16226620f323f5ed810a1198c4e761d8ea1892f7ccf. 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/US83Z1908457.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a20403282108fd12ad9885488cd9c4be4c57422724d47869759ea861e187352. 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/US83Z1908459.