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 0x9b96ad9231f4bd35b79746885ab0b85e24bdf0f8d6c20d63d85cb9dcadb3baf6. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/be109280-236e-4012-906e-81006ca589a2.json and https://artists.proofprofile.net/proofs/artist/be109280-236e-4012-906e-81006ca589a2.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 0x61d789d81a6d78963dc5c97fe929a3eda816ee4ff0618ec169f783ba871fef34. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQA1100409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x522c84a43e02322929ab8aca4b10bf00b1e1b97f21a242bd412e8ab9fa00ead6. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQB5701010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f4337783ca751ed235566d6f0d062f4afd884c0eef9063d8b091ffd5f7184a6. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQB5701040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa91a14de89147cb55715f9a1c6f5496a1479e04b89036f76d74ad3ca4a0c4fa5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQB5701050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02acd96dc12d6f88f74fbb73b757026340e05cae459bf8e35b8c3ca8a81e803c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQD5821040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x921c615b92c1b22cd24ce1b4a4d72b7eba7d15bad49e619e8445d2059c2e2ed4. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQA5810070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30961140151874c4f910a8e94e31fc17795e7120e18e8b9379a671300382e205. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQD5821070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb145b6bac388782ffdae5e1486db94b0e7a0f0f3a45e78c3eb0407fc7f2e82e5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQB5801081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39351816291bd58f2bb5caa0085ef7984528b68117adccc098e21c032174e916. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQD6021120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33ce3229dd6c177127b6aa94ff66fd1ba13467936861b311c4665160d420940e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQA6001140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf7749e74b531e03e20ce674a245d02c5d817a1dbba223db06083b186a1448ea. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQB6001150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde5ba25b30ae4d4a46f07c2457a2f4f505b979a6c40e49eb9e6a1e469656a57d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQD5821170.
The Midnight Sun Never Sets - Remastered
The Legendary Years - Jazz in Sweden 1949-1961
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48accfe0fa29f0e1b46ba90ab31174d1cf3ccd2f2d997d1fbcbc26fe274b232e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQA1100400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x671bfc9c783330541ecd4bf9bb4d4a7e16e048e906f1362b8224cf0bd617b33b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQA1100401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe07d122f94e658adfdf86aaf0a326fdd709518f41a47b2b0a06cda410feddf90. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQA1100402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07e7342b2f1491dfa178058f92765e492938994d3b75c6c5e9b4b57cefbabaff. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQA1100403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38bbe9241c8bc6d8012af0b940f9c6e107a212d2caf04a9271ab1b9a400daa4d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQA1100404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ac1c51ea8c52e7d0a44bc3964bc7a82372269f6349a6a282f9e89deb36e7790. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQA1100405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd05de510a220a49941808a5e08a262e017b8bd11a5eb0b312d483a7db45c3511. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQA1100406.
On the Sunny Side of the Street - Remastered
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39e1802a814f4baa4ee404295bf0d415134e21d574972a266154cb6e36bc90c5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQA1100407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3abd94baaa11a486f655f022236a2953c2e9429ea05ca39f818e847c78870c31. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQA1100408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce90334ce5a76f079f8ee13479304ac87e9c24785b254dfa18b0854404f43503. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQA1100410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd030210f16c82bb1f98b6b6de85031b814e07c6355c4c2cccde3e694e9cf0b8d. 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/SEPQB5801080.