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 0x037524d0d96d112844294a0074f0cbe6efa55a5bac36366c806f44b5d000b2ed. 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/f3af0a1b-7f43-4cfb-af1b-d9284abceeea.json and https://artists.proofprofile.net/proofs/artist/f3af0a1b-7f43-4cfb-af1b-d9284abceeea.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 0xad362908bff3a092ee53f5763811aba6552aed950fe2109dcdae7b74abb964e3. 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/US83Z1004020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43db881f2652e1373a29fa7a41ec5cb25f3f309a3d63435d1e1162b8c30e715d. 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/DEY470906071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92b92ef82d91c7fad49ee7663eb2a837ba7de124ff3095141a6a2f604c0b925e. 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/US83Z1205134.
Spring Tube 3rd Anniversary Compilation Pt. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19743081f29dab20c201962a7903b6dd3bbedcf7cab79bc7ec7bf51b38ed2fba. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/US83Z1213891.
Sparkles (Martin Virgin & South eXpress Remix)
If I Could Be U - Blood Groove & Kikis Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8824717301b6b246f25872e64bc545e121ec922cc83f74b5135a6dc1c6e8a885. 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/US83Z1457648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc15f337fd172e8e1ef2cb7e745de70395c5eb8e1bfbc398b2090057f3c47f98b. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/US83Z1477374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa87ccdcde84e815d142e2ab51f02ca99974c696c9a9d64ab6bc82bef3eeffda3. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/UKACT1880988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84b0e274f0292aba6c45a8d0050d983b04eed3fecafdab45e452213060d43c2f. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T07:48:01Z), 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/US83Z1933604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d94843484ff7735427a8055eefc2d5608fd735a2a76be51e73914f2555b37af. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/US83Z1933607.
One-Sided Love - Not Now Please's Side Two Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9811b455e8e0522b7db1e48384c68166a0ffdc587d2846cfacb6433617caca7. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/CA6D22100246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4202629b4e71dac4ada74f7ab9da267e5902a446db4910a6471f7c58cc24e82a. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/CA6D22100447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4325cee418c785ac18b59027eb50ea8d429fb39604336cf34d1b5ad5a4ef62c1. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T14:04:06Z), 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/CA6D22200230.
Make a Move (House / Nu-Disco Remixed Edition)
Make a Move (Prog Trance Remixed Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa71de09a2defcf233f5fafd377e80df01e9ab0ebd9a6565396ab73b292b6f32. 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/UKACT2480073.
Starlight (Blood Groove & Kikis 2025 Remix Edit)
Starlight (Blood Groove & Kikis 2025 Remix)
Starlight - Blood Groove & Kikis 2025 Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbcd398ed725961776d1fdb49d690a7f67ef6f7d3bd159d324b8c640f9f4a84d. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T10:59:40Z), 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/UKACT2580101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80283066c8ad548b45b6998894e94c55b101562f3ad3837cf2743d29f49b5394. 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/SEXMA1600065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a2d11a86b3059df56d167351c7b4587c2f56a7260995438bc96659ea2885703. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/US83Z1922386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21e4787a9a1fafaab01d58f41fc84333db08ac1dd682f7cbc3728ac4aef266c4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/US83Z1325655.
Armada Lounge, Vol. 5 (The Best Downtempo Songs For Your Listening Pleasure)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72b48bab974c19ad8d8659757bf5e7d60e0b76a4fd2fa49b8858ac19f10bc769. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/NLF711204171.
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