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 0xb9ccd14560ecee6674ba9d2f1d236648ec62dc5f21b79f8c344a0c2b7c4fe954. 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/a08bc18c-c5bf-479a-a691-8a5193834d19.json and https://artists.proofprofile.net/proofs/artist/a08bc18c-c5bf-479a-a691-8a5193834d19.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 0xfe063a5db673789ea00d3d969f4e12c77344e3c9cb58ceee3a2c4ef7707775b9. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/KRA491900260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dd13d35794860c2ae5ec61f5f1d61b42bdbcb537956f7229634bad50c19725e. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/KRA491900262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8a9a5ce9b6c3e752ed403bf85f5371415556dad3053047062f63c5e5a22370e. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/KRA491900263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1f5da24f4567404c7af79c9044f5052a85b8b55aaa1eeeccbb4229ed60b5aff. 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/KRE132100016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d5959ba71ca7d8314abdec00a76f87c87c99ff30dbac6047275fccc1136522e. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/KRE132100017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66f620f19bb2dc70272bef335082a66bde7cda11011bed0d2f612c8d990a4d05. 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/KRE132100018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d30173861b46e20e4371c48f238f666f6c6f8fe84f42a5d94d3119cbba086a1. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:22:22Z), 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/KRE132100019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e1c6c299f025c450b8f896c9f6f61110a85160c1cf1789c805397a5ed3aaeb0. Chain 2 (Bitcoin): anchored in block 957744 (2026-07-12T19:15:44Z), 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/KRE132100020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x035612c151bd211813ed3782a9b484730fa867e7c7b6e37ef55724b55f6c813c. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/KRE132100021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c90df1388b680a4e97d5ae2353d69a5cb83f8d017eea030ccedbe70cd134b09. 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/KRE132100022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe734ef8e84c4c0c8fa62ebbf666f010d0cd31bcad612e7a1b37568a20679eb28. 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/KRE132100023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3432f91e73145584eb379e5d1d0661f15ce614ff7b7c014afd45972675b7d513. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/KRE132200025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a346e287a5ae0dd949174361ae0c3682824ef28cec1f7e0258f21fe33f11479. 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/KRE132200028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bcbec02fe7ceb8184a973e4ab3debbb224bc69ba57dd1c629e2964589abf0a4. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/KRE132200030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f4e4678846555cb2a9a33d390d08fd6562e3d951dd305ecfe97d88d7806197d. Chain 2 (Bitcoin): anchored in block 957852 (2026-07-13T11:25:45Z), 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/KRE132200031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x578667b7195bff2db70f67f6b6c9c23877f571008f91457d055e89777442c603. 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/KRE132200032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53f81a45a89239e4db433cf21ad5f0cba885b0be0335b583b4019b38757ec813. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/KRE132200053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a654c12c161769449af863a6bd95e5599dcfc9a67cf557a3c48bc3e457ac400. 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/KRE132300079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4a984bc4dc8c8dac5488823822f8acbb27eff1f0703dd3bd3c4cd3aebbf4dd8. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/KRE132300082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeabb8920e73ad270f2267641d29e5b76d4565a04008bc6fe8202a959539311d8. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/KRE132300083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e29b3040dc8b1856fe17fc1c28bfb718b50d46685557a491672596a81b0c83d. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/KRE132300087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4179ecb9adfc29638010a5d374b3e1a6e06877207495402b45e83ec6832ac5e2. 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/KRE132300088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4ce3aad115fe6ecb25d104d9353a00eed70cd68c804b43382913a33dbb161c9. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T18:34:45Z), 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/KRA492400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf036902ab6c86f27e0ffb8c971401423c700bd0d643e12b66bb819ae665a81bf. 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/KRE132400033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd161705cb21fb8685fc89934cebbde2a0ce601d60022dc46227551b047aaa01a. 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/KRE132400034.
Careless I Love You (Secret Relationships X Paul Blanco)
Test me (From "Love Scout" : Original Soundtrack) Part.1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb13fcf7704002a0b8da7797cc9f4eab51a2a9f8a22af78446fc55f7a8390c7f0. 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/USA2P2243379.
BLOOD ON MY HANDS (Feat. Paul Blanco & DeVita)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cf5c4afcd3406e379e02e7091d5386f5041b8cd9fc1abd76ebdb648dff61a9e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZ8BZ2306892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c275260c3398c722fe16397356444a1fc2667926c0eb226b7baab9056e1742e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/KRC712300015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x860ea040af4a03c02dc06c6b8683288d2600163e8abb603dfd3c040027e1c961. 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/KSA012246087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x021c86961dd5c036dfeee8da603f928e22baebe0fdd6eef0ea2625037a4433e0. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/KRMIM2350026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe45c2cd6dfeae8c8b30f0f458b0dbe38917b18e16f8b3690a9da2eae7e463326. 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/KRA382000056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fd41ba896040b48edf9f8e0c19f3728d3388d546337db066e1cbdb63aa7f312. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/KRF152100005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2cbee48a9683de58aa76b696c98190f5f5b6de536f8b4ea74c89cd1e24aa66b. 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/KRA382321274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2547a46bc2ab54dc227727372fa48bb46e032ddd23d1906bc95803474b43b5e2. 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/KRA382001222.
Good Night (Remix) (Feat. Paul Blanco, CAMO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a1036f50877bad7953ad5c177e38bcc8051d2da507341a9369ffab9fea4995e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/KRC712200024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78bb4b31962b61cb6048696ddeddfd031914b8f9639fec3e300975dcce2e4e08. 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/KRA382005405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc302d1ab42ad7b62a0face05e1f1881878446657314f5cbe794ab8690c572030. 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/KSA012158762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab5a8b28147d4c6dd3799782500c438f282cf3d9199cf751d03fa64145712590. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-21T16:35:13Z), 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/KRA252401764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd768b9930bd0f6a444ae7d54aab13ba4e901229fb7b79cb920303cbe1674739. 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/KRMIM2446208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1daf0106ea1b980c0dff29183c22d0c3674067dd3a908d96ef55ae9b93f75972. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/KRA492201298.
PURE RAGE (Feat. Paul Blanco, KHAN, XWALLY, Coogie, Tray B) - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1410810e5cd19cbec70c43989a9e4de025d539eaf7b4c23033ab5d255a58d835. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/KRE132400030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedd8ec0f463dd31eaea8a6086f2c2e52bff1a6f9d7aafe36974f9df026dc2109. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/KRA382204401.
Crazy Rich Asians (CRA 2.0) [feat. Dok2, Eric Reprid, Paul Blanco, and Parlay Pass]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bcdbc92f554c6e9e5faa658f1850f09888f774665f49b42c0d9757874f042a9. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/ZZOPM2230759.
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 0xab29a96b078c2806b43f68579a746b6bc5e9aef4f71b2088914686c695d934c3. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/KRA382302552.