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 0x1e2957f3e09c187562891f4aec17a227ccd349bcdfeb6a48f0400700e0c38b63. 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/4567f32b-b8c3-4775-b15f-553ff5a90011.json and https://artists.proofprofile.net/proofs/artist/4567f32b-b8c3-4775-b15f-553ff5a90011.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Come Down (feat. Young Henny & Chuki Beats)
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 0xc221dee234346f78d413c54e79fdd210f3b5d47e45bc585e1eccfd5876ceb199. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/TCACP1676516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8aa538f94193ff62bd58440f01b743d0b27233902c20bff9ee2022d5a275213. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/TCADF1763310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9598c9bbded16b9760ecb497c93dda472467d0f82cc3318c3e2e3b5baaf859b. 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/TCACR1682928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfcd5cfc21ff5f9fa53cf99c4663ca28dcc5f93a39a59f2526842362369e8158. 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/TCADD1741982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40c36bbe1986433abd478b34b9d5528e0141b33d3055b6c86411ca7ac355be70. 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/TCADH1796655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9095101d5c8293a418971f91301a6ad602a4044ff95251537b9923b559d2aea8. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T22:58:41Z), 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/TCADP1835732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86b9937a3f1cc0febde6f3e16bc7b47fcd88e32645930e6243bc1e3dbc1e9832. 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/NOZGC1801040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5db5e612fe08eda16c3c9be80872de3fcedd89df60b9d29410882c04425bd475. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/TCAEG1991393.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18e2a4a7c5d1be7c420e70e12d705b911051629ec31227135f42fabe4a995510. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/TCAGI2230659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8deb8aafe6fa39feb45d8663c30be8293ed92079e0bf098fec1d84dc0451f8b6. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:13:31Z), 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/QZMEN2403534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d67487567bad9b8045e87d67e8100015bddc8b087eb5bd2653e66c9e6e17e37. 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/QZZ772529538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fe707f548258fd0df4994030585bef5236b10e8945280e1c4059528040549a7. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:11:14Z), 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/QZZ782597014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f92cc10f82c9e896d644b812153918a09a5e8fe7e041bbdfe0f96cde37ce7ce. 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/QZZ7P2540740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebadcaf4a602303d750d88cb7417bfe571befb8d1b518242e3bf14e6c6a90e24. Chain 2 (Bitcoin): anchored in block 958873 (2026-07-20T11:48:10Z), 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/QZZ7P2540741.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5640e32813646692fa7d3ec4d486edd57c4bbd81fc33ff0a5ce173f8bfe31f1f. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/QZZ7P2540742.