1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xaa8b0a06b186974fa57dbf109e3336ea108f0d4c41f7d58b543f9a8c31525113. 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/4469db8b-3fc4-4249-90f8-3db46fad2327.json and https://artists.proofprofile.net/proofs/artist/4469db8b-3fc4-4249-90f8-3db46fad2327.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 → block OTSBitcoinBlock must exist at that height 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 0x11b8470ddc25a97e8b369c7b5a2e1e531bda178664ec1711e31a9574e428a5dc. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/QZ93L2054531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50364243e3236b3be984fd04654f01f340f82bb9f6f764591684e118f5ebba07. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USUM72118880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54b7494f7e8769ae516bfd81ffd7458602e336570214af7d55bfdda392c68308. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/USUM72207360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33dcf1a508efdb4f4a997ac9ce0646bab1c6e5e4c2bc4e11654496c86ad3471d. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USUM72207363.
Lost Again (Theme From The Callisto Protocol)
Lost Again (Theme From The Callisto Protocol / SICK LEGEND x Future Humans Remix)
Lost Again - Theme From The Callisto Protocol / SICK LEGEND x Future Humans Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaf060332881171448797582dd79f424efea84e4825ea648f7f3b1b15332b126. 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/USUM72300043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf38cc31b4f33de051e63a16471608b794be62a152188813b67c3967f13bf3bd2. 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/USUM72313452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x399eec3ff13433b5fe7186f1c8dd9082120095ba57b034a60e78a2b8853fd1dc. Chain 2 (Bitcoin): anchored in block 958091 (2026-07-15T03:17:03Z), 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/DEUM72411725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c7c3f388c10f3c3e0eb4fbe0310ae30965b441885ce483323a5894f25b56c53. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/DEUM72408764.
Like I Was Never Here - Stripped Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeaedd65f5eb829009b2234b6fc373222a3ce6af152f18284a3d81bbd986ee83. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/DEUM72412805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x399eec3ff13433b5fe7186f1c8dd9082120095ba57b034a60e78a2b8853fd1dc. Chain 2 (Bitcoin): anchored in block 957756 (2026-07-12T21:36:27Z), 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/DEUM72411725.
songs to think deeply by The Circle Sessions
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf38cc31b4f33de051e63a16471608b794be62a152188813b67c3967f13bf3bd2. 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/USUM72313452.
Sing Meinen Song - Das Schweizer Tauschkonzert, Vol. 6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50abb0d68547e5e8d71138ecd3764aad6d9886c321629a099578ddb5477440bc. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/CH0832500060.
Wasteland - Aus "Sing meinen Song, Vol. 6"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bcde2ce449185bc4c16c071e4fc67a2335583b70d75bd65a1c730a2af229ce6. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/CH0832500150.
Footprints (Zwei Spure) - Aus "Sing Meinen Song, Vol. 6"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d516b8e8bf01caecab6ca4ed41c604167747efb3456c63834a60b6739c73fe6. 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/CH0832500200.
Homesick - Aus "Sing Meinen Song, Vol. 6"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabc704d52e102d8f1135681e0b4fe89e27707f384279dff1665455282122a256. 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/CH0832500300.
Numb (Empfang) - Aus "Sing meinen Song, Vol. 6"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66c143f8d9518a6df32c3cea5b95700635757c2f386a56eef302b538b3944103. 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/CH0832500310.