Air Supply are a soft rock duo formed in Melbourne, Australia, in 1975, consisting of English singer-songwriter and guitarist Graham Russell and Australian singer Russell Hitchcock. With record sale
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 0x85e28410402f17edb78a4253dbb66670b3aa5b790341f28b8403b2e07335ca7b. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/58d7e28e-6ba0-4f0c-a312-f2ee9ffcc3a7.json and https://artists.proofprofile.net/proofs/artist/58d7e28e-6ba0-4f0c-a312-f2ee9ffcc3a7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Making Love Out of Nothing at All - Radio Edit
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 0x3937ff8d3ff5147fee51a5945164a48d8a64031feb1b668b8abf6e5d670c1234. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USAR18400130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaf8fd7798da689f3a784bc327bcb86bfa4b185f6deda6c56a7eab799ba481e0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USAR18300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d716be05513d26b4119e7b0eb24e8fb638a8df976c2df8fab6370ab7eceb9d9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/CATL32402013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaf8fd7798da689f3a784bc327bcb86bfa4b185f6deda6c56a7eab799ba481e0. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USAR18300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fc26dc1433ba09802ee539f38fa3cb0b8f82b0d9fa0f07fb6662f65c0b71268. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USAR18000002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf597a8a76bae76b709461225cfd8ee1053af66b52a5d09a1a050a2edc02cdeb7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USAR18900124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x670065d3a588ac54484eded6e22d57161528d1614d9546d05d784ff94dd40ede. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USAR18000001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe33122fd91e44a87e2776d621e974bc4fc84233eff23fb7adb6b8dae3349fbd7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USAR18200001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x898b1d2a681c167e1f90cf811f2e06895c200bf38c26fc825b1d99a432222518. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USAR10300039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8fb3b15fdb5463dbfd38928643fe0394c11f415dffde999e0ea841cb358044e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QMFME1307223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa36dc59711f34e3e8e015c2bf5e423c04fb4f64c2aca2b3b2bc98ee0b9269cbf. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/USAR18100001.
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