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 0x67ef20cf56f8871a99b3b57c19ea1e451edb0a3053453549b19195beb95718eb. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/75342b7f-003d-4b02-9e79-ece9bec674b7.json and https://artists.proofprofile.net/proofs/artist/75342b7f-003d-4b02-9e79-ece9bec674b7.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 0x31177a709ed651868afba51cfc29438be44f16742580663c1596d4ee294e9928. 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/QMEU32113763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0f2fbe9fd1f613abd3fbe97d1bcd102e0fc7ac25fdb44d7bfd66182257cd5f6. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QMEU32115309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffd0fa4152be8c78afcb75834068633a9f0d14bad5ed9aa583578ef24fbb1128. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QMEU32115310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf74771c1285184ee8f6d60fe6685e10b3a08e6b9af1b960746f4397b6e2f68c8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QMEU32115312.
Downfalls (feat. Sugafree, DonnaCherry ThaChop & Curt Nitty)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe39f7939b1298e101237194dc3f783d40bcb0c3b978e5c499c03104db92fc586. 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/QMEU32115315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x357b63ceb6b3bddd582bf9ef5be90d3d2819bc3dd4be45874e3db5a30d4a41d0. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/QMEU32115318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2983af58ecb81badf50d8c1399abccd57008a7a5d8f81112c1837eeb0aea5b51. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QMEU32115323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c00764ac830bea951adac0da2a779b820e9213d99a927741173e27988450fad. 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/QMEU32115307.
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 0x540add1e3792e46dcd37533f8b54b233a5d9f686dd97eadc9b7504c534205a0f. 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/QMEU32115311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed096e438adf44ed28d14ba4e00fc496f3ef4614677c0539a01a7c14e02d25e0. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/QMEU32115320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba852afac4880f4b9825a7c071fc66e45af78de93e1dcdc838fedc435224ca60. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USUYG1025891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17ea6584d4dadc0fefdccdc80edaeedcec1ccf0b4f76a04aee0273599504c953. 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/USUYG1025892.
Pimps N D-Boys (feat. Bossman Hogg, Curt Nitty, Black Mikey)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d118a4b4b73ed2f6565c0f20f0aeb3a9a2d7545b3f74a8091a98f6885ceb4a3. 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/USUYG1025896.
Me & You (feat. Lil B-Stone, 12 Gauge Shotie)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6143a4dd054fa9fa0d82c6cc1cc351c9faefcc83190fe0bc9d862ed120b5e33c. 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/USUYG1025897.
Smokin Drinkin (feat. Bossman Hogg, Weed Liquid, Googie Monster, Shaaron Sharee)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae8dc6069decb24006211de314869ba05ba1c5fef47845b763d97966ba89365c. 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/USUYG1025898.
Ain't Nothin Funny (feat. Damu, Young Dangerous)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d2f6e3ebe6df5877ed78ba6d0efc083927435e839170685c96af9d72ab04b0e. 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/USUYG1025899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0448815a656d2d8b164ca7e3bc72b9a90cfa99713ec44df15e86476a805da2b3. 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/USUYG1025903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ac32d1aa13e076a67743351444f0c7e65db29c3c8502ea0af327bcc2e8ccb49. 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/USUYG1025906.
I Ain't F'n Witchu (feat. Baby Bandit, Big Lunchmeat)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x737ff8c561daa4caadb6a5e307fe6a9aa2f69bbab15b0a0b25b247253de66c67. Chain 2 (Bitcoin): anchored in block 959132 (2026-07-22T13:20:46Z), 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/USUYG1025905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5598f73e444e0c28a5457443468cb66cfde999ecd97d11aea12744ac0eda34b1. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/USUYG1025886.
Round N Round (feat. Luni Coleone, Damu, Flip Loc)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x776f139d2056c138a90c45a17a3c57ddc67ec5546a6dfb95b3082b784af3be8b. 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/USUYG1025893.
Lookin For Me One (feat. Shaaron Sharee)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda5a70819f93f15a038c72c1fa015d3e00972f243b6a4b20d59f5b2cf63c392e. 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/USUYG1025894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc64c67a266ed3319df0a9d60f4dad009784d2bb58492dde5c69c0bd8c73e33b5. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/USUYG1025895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x389143be45e85cd72c31a9c51ae607ceb4dfae0ecc1c6615ce0c19f1dfe8c683. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/USUYG1025900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc81eb4ce17d8a417a476dfdeabd84847662b94420189353ff4d86033641cc903. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/USUYG1025904.
Cock It N Ride (feat. Baby Bandit, Tiny Beef, Curt Nitty)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38641a4b4576c4dcfc2b870aa3fc97148c3a3685b9b21901f03026a35095e217. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/USUYG1025907.
Our Own Little World (feat. Baby Bandit, Curt Nitty)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x404af52fa7ab9543e9fc446a3cb1e249575a972a491cfab7b96fec88ab75fefc. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/USUYG1025908.
Never Would've Pictured This (feat. Curt Nitty)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22b74298c3857d638dfd9b8a889f7eeb19ba3117e508cf20371914ab2b7cd377. 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/USUYG1025909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a5c6d3278dbbd8b0b1c98b0a1275e57a9b10e5476c47571a973172e1427e9e9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QMEU31802260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc01f315e458a161698ddb4431a2c7659fd7a235554dcb1f1ccc01fd70409c556. 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/QMEU31802261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc41991e0453030e046e883a854b5e612413be2253c78b06dbc17e4b31bd4e96d. 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/QMEU31802273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48ef957816f91c606019c902ac440a4cc50b0083dee6a02e3dea5dcaa08a7a09. 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/QMEU31900973.
Ain't Promised to Stay (feat. Mac Mall & Jaz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b7c9a3e133c7e54857417c21ef03da338332fc71b29c17f3ff360ebdab87bdd. 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/QMEU31802267.
Downfalls (feat. OG Don Diego, Sugafree & Curt Nitty)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb89ef224ebf55235e927b970ad285f396a750560e9bc486597562da15c35656. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/QMEU31900971.