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 0x10c88a6fc9164566f1de062d4bd01719dcfbfdff2ab67f4dd701838f009f220f. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c986de96-09a8-4595-aaea-c9ba7bc3af48.json and https://artists.proofprofile.net/proofs/artist/c986de96-09a8-4595-aaea-c9ba7bc3af48.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Last City On Earth EP (In Qontrol Anthem 2008)
The Last City On Earth (In Qontrol Anthem 2008)
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 0x47de36d87751df4e4c053ba06314e306c0fa185b4b5d546f6473bad7b0fe885e. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/NLC200800029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c43b648c33a176f4cb406de8b6d3f4d07c7bcd8496b22a68f13c3cc5109370a. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/NLC200200004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd49c180885fd408c957d93337305b03e875f2f8e6ddaa34f8a8fb741d1e8dd16. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:47:28Z), 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/NLC200400012.
Donkey Rollers - Hardstyle Rockers (Edit)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db7053102538960e8c4217a29a83eb1d96fdde504ee6c8b32be90c984252065. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/NLC200400014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x795d005ec1ec3fee24a8480e849badd5a9202398e33b2df335cc1729b9e572f6. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/NLC200400016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x725ced84c1bddce8c73cfa1ee1d02f7ce603fc8a8c655a53bfd0df3853214696. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/NLC200700015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27be3e524ce3293583e10a64f53de17288ddfd179bb46ffc0de936dd959b4273. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/NLC200700016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9449276002df8052d2cad8243458a2cd97d65a66c75b38984e9c1c96d45e7350. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T21:00:15Z), 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/NLC200800047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5db35b709dfaf30c64025e1a67be2b86072438479bc8db25b7c998d1396d195d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/NLC200500020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce6628598d4aee6c24cff6f5c8758feb5d2972cad467eefc016cfbb89504151d. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/NLC200600042.
No One Can Stop Us - Showtek Kwartjes Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x290d204c5caa9a89ce7259fda4102dad752231d8c2b06bceec470ccac650404a. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/NLC200700022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa562da3bb632598d8eeb42af38f400a77292f97a54b4a41eec7f6ee889f018b1. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/NLC200800054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33f32a9abf474b9a54aedd5357daa2db8833e9977b8cd08bfd63f69a7de8ac94. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/NLC200500081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32b82f9389766883a75800f486bf4ad443fb335f307b3b77984bd5409ad51df6. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/NLC201700069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa64b0e1ecae5594be8a26cc5aa82161fc75dfecacd6fbd5cb762ba5d17fd07ec. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:17:55Z), 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/NLC201700071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f3f9b0b759428910e0d4f491caa545db73e8d526b4a405aa2403a020ca9f08d. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/NLC201700082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcffb6d3b97f486005da1b2a6f2d445202596f53e7881be3a067951ebfe115524. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/NLC201700063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec47ee4595959d27c7e84aa2d09cdd1015b318a566dec2cf92bea44972e8a851. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:10:57Z), 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/NLC201500064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25bbbaf932dd99a099aaea572efa9d621bb8fc5183393688f794746fad85be46. 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/NLC201700074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcffb6d3b97f486005da1b2a6f2d445202596f53e7881be3a067951ebfe115524. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/NLC201700063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9030744bfc040f1324819a3cccf48e3922ab6fbb807230683446bdccb7009ff5. 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/NLC201100041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f98b6c2adc59bcfdbb725f8f218db2c503ba8d8f19c4289578c9cf097f21a8c. 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/NLC201100151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c43b648c33a176f4cb406de8b6d3f4d07c7bcd8496b22a68f13c3cc5109370a. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/NLC200200004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27be3e524ce3293583e10a64f53de17288ddfd179bb46ffc0de936dd959b4273. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-22T01:20:55Z), 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/NLC200700016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9c3272e12eb2239b2139e37f0a85d49c265b3222d034e8f8267e2697b74d152. 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/NLC201700066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d169806430923a0839673a280e569b16103da744c9c66c0ad05f6c6022f58b4. 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/NLC201200015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd90a8030b0bba426dee10bb436798b8a64ab60a31805fcfc1a06bda0453f5b1. 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/NLC201700059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x718614d5686df4941cff62b3ce881fd73aed12f9c467ddb29b43277e66971118. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/NLS241200736.
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
The Sound Of The Beast - Dr. Rude Remix Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bcb964c8c9949c6d6f5529a1d75bdcf2569d13cf674eddb3802c7c1d19bb779. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/NLC201500063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92bf48eff5ee21ba92c457792ab105bc6247a578e615b4788bc97e15d30970c9. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/NLC200300043.