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 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 0x8e43e29da5d31814256fbc42fb461179895a026a6914855064d78d5d7b99c8f3. Chain 2 (Bitcoin): anchored in block 953681 (2026-06-14T19:31:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/642c62bb-f7cd-48ba-bf1a-59afbcb85d18.json and https://artists.proofprofile.net/proofs/artist/642c62bb-f7cd-48ba-bf1a-59afbcb85d18.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 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 0x10da27aaeb24a335a6a9d0863444a965b46e97039a850e6747ffcbaaf65fe01a. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/DEW241600100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cc59ebcf98826efaa31bbe59914bbe9c1488a2c534b66da992c065b107eb533. 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/DEW241600101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4c171e5fd8e0f8bd0817db954ddd3aa64a07ea47c83324cd601e68d432ee26d. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/DEW241600102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef8a2766bd619b44ffb9dbbe60c3941c71d2dfd1cc1ecdce5548acdb0056e768. 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/DEW241600103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60f5e063702084cf8183f89d428049078516727b80ca69f72d3a394a8ce77ff2. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/DEW241600104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf228b041cef9f608e69d6e781f92e92d57b2f5b84ef533c19e6eddd16757db61. 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/DEW241600004.
Sounds Like a Melody - The Editor & Gur Hekim Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39f526cafb2eaf13c5984a10fb060f45be19e1e3b99a3adb6b6fb18c5061689d. 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/ATB351600024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0473f63a183100618d3ec8bace996bd36d13642e949ded11d5b47f164cf8054a. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/DEHM81500286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80d325fbaacf81e40c3ca5bdc3fed9b3288f43bc0c28077be5077436b611ef26. 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/DEPY31500324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35a1330cf920613d21c6844affdb1a0e6edb41162ff0468a9113d26ed4c6761d. 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/DEY201800632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85e39f04f3de7c3b6caac592fb9d368517d3f57b3da1e2fcbe9ca1b88c2f4313. 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/DEY201800633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8eeea3fd6b9f71fbe3f9ceffe4c202a186bf749bf1a645109a0f57ba966f453. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/DEY201800533.
Allerbeste Zeit - LKDR & Lukas Kleeberg Radio Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1007de88878df8b53bd7b6788259909ffcd05b4e12e63f01009c35ad55f2cf12. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/DEY201800473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8307610632eab9deabb3c2dda0792329835406970156dcf40a72b795808b4818. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEY201800398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23a0d43702c9b71f2361546395fc592c6427046c761e846a54fcd268f49bb550. 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/DEY201800344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc83c5f1e800f50bf602a15d8458c0bbac84349946707740a243d605148a71116. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/DEY201800234.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6093253e9930fc40b812a2c430db967bc2a52eaafbce5499f5fea57ec55006a5. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/DEY201800097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcc42929de1d488cacbd64f89f663fcd97dd7b5dab89e2d40bd399b62cd7e9f4. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DET191507832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x981e5bbc303bdccc38b8e91258986ce626172ccc68dbe43d6a4c5e28c62f4ced. 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/DET191507786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c1b259905a16cc8542ad9a4166d0b3d91927a8fbac9fc76e611ef87018ddadd. 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/DEHM81600350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdabe11494d520db88af91cb171f8110a0a96c3f15f74dc72398dc16efdd9b99a. 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/DEH742044815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ec9e9bbd3c2ebd2a33ab8d396aec0d4fda52d77bcfb7ddc7c1b324c2c9f29d0. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DEB551422297.
Wanderlust, Vol. 7 (We're Going to Ibiza - Mixed by Stupid Goldfish)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43c7ec3c61b5e6493a4186c34b4365c007995bde12b803abe6bb91ac0659a0f7. 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/DEN061700156.
Dinner & Dance, Vol. 1 (Sunny Deep House Tunes)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64344f7af64a512cfad49cba4986d18a470cf3aac2877a81b2aaf852a81b7cf3. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/DEMQ11700200.
Grenzenlos Deutsch, Vol. 4: Die ultimativen Deutsch House Hits
Ich wollte nie erwachsen sein (Nessajas Song)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90bdfffd4cd1b39728b51af9046c633b050c14edefa82665ec0f787b2a89e6e0. 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/DECE72103820.
All I Wanna - George Cooper & Stefan Schnabel Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd09fa3015e3d00292fed1776feacf2b625700216266558380c0515c4c73cece5. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/DEHM81600012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b9360a293b6d680208cf1b47ebccce42cbd16a3644c5ed28680440d2730a6b4. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/DEMQ11700205.
Einfach Deutsch - Die besten House Club Charts
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5a27b287b16f416bbe79f6f3fe1f4994359e4103d3dec2bec16e07bd69458a4. 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/DEMA61901380.
Grenzenlos Deutsch: Die ultimativen Deutsch House Hits!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddc436ef1335639780851ea3eac8e878f32cdb94cd92fcd32e58149afb924689. 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/DETO31900114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5be7fa5ccf6aa81d71b120ce15b60a76466c476ccde98b16c70d9dca04095717. 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/DEE861904288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffa6b360f1a97f67f7ee8b642d82baa48b1181fe86f92b2f52e6b23a69252bcf. 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/DEBL31502671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66769437f16efaec4efbd5a675b358d8e4bf644847883084aebd02484c1e06e3. 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/DEN061902137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x647a1ad72878deeeb9f26018b60af27e770165692fb80b5cd9285c8b7d24e9b7. 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/DETO31900094.
Smooved - Deep House Collection, Vol. 20
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfde59cc000dddbc33f88a50d76b0f998f6214691a4b65abbff25b3fca7301193. 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/DEY201600024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fe092903117dc1489fac0c8791e57cc87e4bbe1e0694252e822638a957348c7. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/DEAR41528485.
EDM Brunch, Vol. 1 (Finest EDM, Tropical & Deep House Grooves)
Re:Commended - Deep House Edition, Vol. 7