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 0x80ef30ab10b4a7813bd97eec10b1ea5fa7ae6b19f513b14986e048965918510e. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dd01db46-6ee9-4ece-bdaa-cac6932d1f7e.json and https://artists.proofprofile.net/proofs/artist/dd01db46-6ee9-4ece-bdaa-cac6932d1f7e.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 0x3c0cf8101b95715f0ccac83c89c2f6723a311aa6c48c0a83e667e16f40857485. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/GBSMU0884340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x385c4b05e7ee0d404d3c0c35da0744c971d25e80dae5f4ba45aa9f5bb85fc081. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/GBSMU0884341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19853db4f7aafdc0bd67b63601e0e26fb91c0217b0c88ccd29a6d805195fe855. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/GBSMU0884342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67847d5a81874570048d13ed97b2c1dfabe6146ade5a4ff0921b8f57175b5186. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-22T02:23:22Z), 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/GBSMU0884343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c319bfb6d1c1663f541d57ba6804ec8e4e23b78d2bd2a1ee3f686e1935e9020. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/GBSMU0884345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef4ed4b0fe99271e1b45f40b3fc8a584a75004af42cf0a99c2ba6740b91d06b. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/GBSMU0884346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x970c3e6b29b68452cd92cdd0e89b2e8e06b93181e000437ebad364a228d78c17. 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/GBSMU0884348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b8ebe31b1ea9b49db7ed256ca123fd308be4e07a7616d30b718d9f1aa582e98. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/GBSMU0884349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf88eb4678de8a1b607e374bd7f6d7df7ef893e4d5e771621a8d9588dd4d76e23. Chain 2 (Bitcoin): anchored in block 958531 (2026-07-18T09:39:18Z), 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/GBSMU0892181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fc0a6bba2baa20ffe0c66ef2cf9bc26619a5b5e6a9656cbc1a09d96aab74658. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:24:10Z), 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/GBSMU0892183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53f627850bdbdfe3c330e0e730df47d9c3b77d2958b03985e60c62108713cc6b. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T12:08:52Z), 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/GBSMU4836372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31e5381b3af688c23a7b4c92d34124f79689db74e41e08eeb2be50f1b46cc325. 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/TCACR1627537.
2016 Golden Era Cypher (feat. Hilltop Hoods, the Funkoars, a.B. Original, Briggs, Vents, K21 & Purpose)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2824a162b20687fe446bddc1c809148c6aa83c144bdad0aa9572c134099d80d. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/AUGER1700001.
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 0xbd2d7f23a201b462c02c85035d7f0bf2d06e43f13755c3f4ab7d2f06e23ac8ca. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/UST8K1604288.