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 0xf181d3b43718672642970766051e9bf626f76c518fe6a88550c28d3011125325. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7d1caa04-326d-46de-b7fc-f599d860ea4d.json and https://artists.proofprofile.net/proofs/artist/7d1caa04-326d-46de-b7fc-f599d860ea4d.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 0x031a6dd003549ffa57db75eeb8cd540bfff01275e4425c476612cbc4b1871095. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/GBAYK9100036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafb3a495ebddb219f91130b11e995bdf44c5c0afb851b350c00e745532ede55e. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:47:08Z), 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/GBAYK9100063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8baf532203879b70decc5a5f1db8e4fd24d2268280ab0733d96f1b0b82e5853. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/GBAYK9100161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d1aa72076e93f749d66b876f5d671a9bb2b1ca1ba5e1f7566d4896459a084cf. 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/GBAYK9100164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce8b49ec5d5bd658e538552cd9fc6a693aa1fd123b6610889dd448a63747063b. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/GBAYK9300035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c72a040fb2413ed0125dfb336e70eb9baa15441d21067503e6e2fae4a36c70c. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/GBAYK9100004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27ef084ae356f3f01a5f58909f3a70756ea414ecf18dd78208ed4644b5ef9f83. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/GBAYK9300030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d88e5ec539e2278b86962de0f17b12db002409db43f1afd1b3be11822d879f1. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/GBAYK9300330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb711f3ea4da6688b85d080f82ee4528fd4bc698964047e1e68c1c1aa1deeb639. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/GBAYK9300036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x110e32ebe71a38e3d079798e2a520a47c3c3c074ebd11613df035fb4f7b1bf8b. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T18:05:41Z), 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/GB62Y1100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f07aae3cbc160c12a87940f61d3e9883fce80fa2871c1d154dde019f6472290. 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/GB62Y1100012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bdf18004236a94f1ef87a9c8fa8e7e85d12110a362c3aa58c875ccfdb38ef29. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/GB62Y1800001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e64701257a19121d68c22fb53154a82637afd9e7108c0d30d8eac4c653dd6a2. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:39:07Z), 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/UKW3Z2201782.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe89a8e4233c68ebfd74cfb0ba61069f203221b25d1975440ed45a9d0161796cf. 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/UKW3Z2202863.
Got It On Time - OPOLOPO Remix Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2510d584ac8d234256c1fd0d704a4e593de8dd5201aaf4bcd800258583bc0464. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/UKW3Z2203269.
Got It On Time (Opolopo Remix Radio Edit) - 2023 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe89a8e4233c68ebfd74cfb0ba61069f203221b25d1975440ed45a9d0161796cf. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T14:06:47Z), 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/UKW3Z2202863.
Best Of You (Touchdown Mix) - 2023 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b0010abe9188ab9560c816f0b7a37a5939810ce92dcc56572492f33d2ce0939. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:28:40Z), 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/UKKP22300718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4560a88eba469822b8c383f4684f7b316163b331ea86d96814a73d3a3b4d0172. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/UKKP22300719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x872df695c7ad6cde07a0aeb83b6765e43c6bc8abe5461ef98f98512b20fdee0d. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/UKKP22300720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc40117aa79af9a13052d5ad799a41467a2562b3a58b06efde32a8cb80b047d2e. 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/GBNYT1200019.
Thinking About Your Love - 2023 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8abfca6b47b03ea0603921ebfdb469da4ca9be1a4a0b0a96db6cc8d1b5a181b. 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/UKKP22300722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00035c12909cf12df98829ae52f083bcec971405c0df34dc2062324a5deed377. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/UKKP22300725.
I found Lovin' [Radio Edit] - 2023 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4117619d800468990e26084a15462ce005d6c0274859d14350469912cf2bffb1. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/GBKQU2130254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39cab161937e0e301af3119961ee334ce9b844e1e9ef3f13ad2c91dec8beab54. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T01:57:47Z), 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/UKKP22400969.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf041da281343011845aa974cdcb4aa4aace18c6f59266945f5b643acd76bcce0. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:49:51Z), 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/GBGLW2500406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40ddbc3ab937fe2fc4d71b2800655067f893dc94fe3957cd59561d9bf3b3cdb5. 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/GBD7U1000008.
You're the One - Jerome Ismae Remix Main
Club Adventure: A Travel into Dance Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea915bb8b8dd3535dad842090d9f3a451b1dba606176a81b10b6c593b302fe40. 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/ITQ770800048.
You're In My System - Spiritchaser Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5857087833017ff5daef96bd58c30f75a517af392323da87c87db53eee101b2d. 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/GBGLY1530401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3bd8ca928d819170031d16a4895903fbcce79e4e514803444c920194c50a52a. 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/DEKB71003880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cba3b75c1033540261a1bc5e2133871237a639530163b284514e25c6026a539. 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/SEXMA1600067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b1d27a1919b8b5807654b4d221432abcae73a7169eff8c20ec4d1f01eb6383b. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/UKF4C1603615.
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 0xe38ec7e08e5667f1996046ccac3b6837b3f5d89ae6cdf0ffefc84fe3f484c025. 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/DERX41300222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x068ff8b152c3294081b6bda127eeee7e3508471e400b819c6e5290738f01d922. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/UKAAZ1500081.