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 0x2d62bf5170331460704c36163c9a0fe6fee5db7e89c9bf57de921a786f20cfe0. 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/3c57f03e-c77a-42a7-98e8-298602a75e3a.json and https://artists.proofprofile.net/proofs/artist/3c57f03e-c77a-42a7-98e8-298602a75e3a.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 0x39b11779d415e0d2b3f977c97d2856c61b4903a6b2fe389149c8287f241d071a. 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/TCAEW2005149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44acec1cd7fed7292d198d959427c7d7639b93e82b3a58cf13d06b14e57abb57. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T03:24:09Z), 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/TCAEX2063551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73e03f9835a294a4a35a26c3c0e61069738cdfddbad9625ab4436596029473f0. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/TCAEY2063229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13b023fc96505562eb187aa1919e33b2b05ec139713b9f5fbf8ddb7bb3881844. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/TCAFF2068788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc61d5069eb6e62564e587f116f0f028855dcd0e42ec8b9ecc8f4497905c21400. 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/TCAFJ2151338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83060e4140645299ee597c8bc9a515c6a6ad51a2cf3a174fc12662d63b08ef98. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/TCAFM2175149.
Songs They Told Me Weren't Singles - Part 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba7a5da1d2e778aa767b8ff7d867449c3938e645b2bbadd9f3977679ff852f6b. 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/TCAFU2170903.
Songs They Told Me Weren't Singles - Part 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa02be55a9c6fb6efae096ba3ffbe58c3d25c36d67dea08af5f680628edf97220. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/TCAGB2284016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43edd2e2d0193ac9a5aa1b9af23cb9233ec2f52f8737be482f54741163c7ad8e. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T05:50:22Z), 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/TCAGM2239801.
What You're Running from (Piano Version)
What You're Running From (Brendan Mills Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5163dd5690b56755316dce429ed9dc31b90f5f7ecfdebc7448e2cfa112487b2. Chain 2 (Bitcoin): anchored in block 958465 (2026-07-18T00:04:42Z), 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/QM24S2303569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeef1c8133af3d9c4876cb202a033433a9fb17dc17f7ade0336006ce814135e32. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QM24S2306195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e8e9883b2c249259fa6c639fd85e67a753fee52b909fb19b9939c41da9a8923. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QM24S2307577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f2c5665ce37dfcec2d2202a5fae01e9bb478cce12951a6bb8c0da3c9bd46d8b. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QM24S2307991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x417aa811f39fe3c721f066ba20d612f3cd2a307a37a4c42e379dcb869d4a8307. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/TCAIW2456416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x417aa811f39fe3c721f066ba20d612f3cd2a307a37a4c42e379dcb869d4a8307. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCAIW2456416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbaa0a69a3af6e1c344f724e2354f4147004a494e78ddfa7861aa2e36a87c3e9. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/TCAIU2427936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fd692fe1b328d107c8493b8f21ebf1e73e0018fb48c6a980549a59b44135ded. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/TCAIT2482312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf278ba4bb11a0d4b42f89e1e0a669454f3d4959f8a4583dba425db57c54dfb5. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/UKAQK1500009.