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 0x22a404eba6671445e5cac1bb35e5ebe338bc1718ff255eff6647cfb541201bb8. 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/2b7e7db2-b09b-44fe-8524-49c6303d519a.json and https://artists.proofprofile.net/proofs/artist/2b7e7db2-b09b-44fe-8524-49c6303d519a.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 0x9aeeca05568d570f83c57915196553265962d73acc1c7a468a530309675efd7b. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T21:09:36Z), 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/TCABD1297268.
Ice Ice Baby (feat. Vanilla Ice) - Single
Forever and Always (feat. Julia Sheer) - Single
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ba54430548dfa577cb230e3ee109a00fb4574271064e74f15f5ca4d996664ba. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T13:01:04Z), 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/TCABD1297218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a70217b38d4a2af1908cc8f517729e332d593b87ea10d23fb9bf0ddd1b671d6. Chain 2 (Bitcoin): anchored in block 958602 (2026-07-18T19:28:16Z), 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/TCABD1297237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5e7c7d9b0532d74bbe3d3a156262b95ae1338136775b66b34f4dde1379c932b. Chain 2 (Bitcoin): anchored in block 958051 (2026-07-14T19:14:42Z), 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/TCABP1327376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96f572bcd7a0717efd49e7578803f010172a8da04721433d2f77232f9c8cd241. 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/TCABQ1341074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf05fbba34bba0d3cda7a911e7ccdea42ccd7a8acba0b21b8248579d998c42f1a. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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/QMDDU1300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77e69926e5750eb6e8caa47bddba48745baf2420fa2b16953a5fac4d07ede697. 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/QMDDU1300002.
Turned out the Lights (feat. Maddi Jane)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b3bb5bf74d91c475e6bbdb5e5169365047ba3f0f7a73581de9e4f5bcbc911e6. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/QMDDU1400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5509704bff8f0259ef6cfa946c5b4e72a9843d319f917bcf93e66e7eab0ee378. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/QMDDU1400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade0aa0a0dd7e306ea7ca80ba53d88c98bee23ccdfb5bafc1c602fab11921af4. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/QMDDU1400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f235b5a8f740f9d067ad4e39c746ca53b79aae25ae13a95e2870df72a1e0916. Chain 2 (Bitcoin): anchored in block 957569 (2026-07-11T12:44:25Z), 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/QMDDU1400007.
I Just Wanna Love You (feat. John-Robert Rimel)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9ec7afa7b9e7052f6b81a24cb8ff6dd692fc2b91a3b36a2cbd6365700d31d6a. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/QMDDU1500001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fcf1372f0e3e2516ee0e0a045c541e77fe2fc4e59deb34f9f443e24e7c5e2cc. 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/QMDDU1500004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e48a44591bae852a0f272429838c0d7fe4d52d74c3aa591a2ca5573304efbb4. Chain 2 (Bitcoin): anchored in block 957573 (2026-07-11T13:43:13Z), 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/QMDDU1500007.
Right Now I'm Missing You (feat. Brooke Adee)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87d797e90a02589eb942d005653d0e438f683632f660ac30891931ae2ed16271. 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/QMDDU1500015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x353a9f178918f7b037dba7c3480393c081f50160921535bbfaab3e1c4e671008. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/QMDDU1600019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bed1285f273c3725a07ea2c34d8b7072a220f1451eed4152804083ea4b0ec77. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/QMDDU1600023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7808f4b0f4837b3172dd8885162bf4cf60920a4080d7acbfdf65a4e086ea7a4b. 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/QT5M52530839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05ead65df6ad490bb0bc0e44b57e5816e09a503d64177789cb7066289d74be71. 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/TCACF1566643.