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 0x7a1f4e512597c3aa0166ef41040a084d16b0791e594bde66d00ad4f0221ace56. 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/4f0a72f0-3125-4e16-b420-59dcc1224ab3.json and https://artists.proofprofile.net/proofs/artist/4f0a72f0-3125-4e16-b420-59dcc1224ab3.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 0xbbf3f2070eec7580123927d03450e9f2656070bc89deac7c207d27c347751ce4. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZK6N2435919.
IT'S NOT GONNA HAPPEN SO DONT WORRY ABOUT IT
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b232673539967c4147e44381756d5537748b56d948ca90433511085ac60a498. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZMEN2487796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x444998975647f283b2dffd34e9a07b5fd3a75d8bb5bb07846dd4f94bbf99a311. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/QZNWZ2466829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c04371d8c7f9ef94a5abf220dd4dc9b624f083cedc225f932985ac98dc40208. 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/QZK6K2457607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2ddce7a97686b816cbc85aea5f8ada82842ad8fece7388f44603c0b6851d55b. 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/QZWFF2414436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedd3a761b9529cb494116cb3fccb0d1b9d9669068f40263dd7fb5e3c9bb32d86. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:10:26Z), 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/QZZ792415948.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f75594e6e68bd36cd0524f3c9b9fe0d74d601901476e99c142460e189f4f391. 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/QT3F32477060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96f80d8fd8cd9625d695e2c25f7a86bed2cd01b1d233953ea3942769754c967f. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T23:01:54Z), 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/QZTAY2512311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e2e9376afd8f8f132c03ace8486d44cdb9c334ae1a1309b07051efe57330e30. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/QZTAY2512312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e469aa41c68d63d38622a95fd8ebea8b72552cae48875ceed260c66b7935ceb. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:27:10Z), 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/QZTAY2512313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02157d2c54dd67745a565f51d233036899518d73148c3341c73541b009f32958. 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/QZTB42509948.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6e4c201b06e463a112908698257d74e272b7630a05002257cdf89467be5e523. 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/QZTB52563410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x242dc702ddb3e50b13ef96eeaa8e17a0ba46b6ee57fbf58f1cf060ad3ce785aa. 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/QZWFK2579347.