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 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 0xaea01200051f6143a65481b3ff179d5fc1b8cf69fd5747f63e5987ea0855d7ca. 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/1eb71d24-327a-44c0-8084-741cdc10a0cb.json and https://artists.proofprofile.net/proofs/artist/1eb71d24-327a-44c0-8084-741cdc10a0cb.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Blissful (From "de Blob Soundtrack") [Original]
Challenge Music 2 (From "de Blob Soundtrack") [Original]
Challenge Music 1 (From "de Blob Soundtrack") [Original]
Brazen (From "de Blob Soundtrack") [Original]
Brazen (From "de Blob Soundtrack") - Original
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 0xdbc3cdc3bda8116c35a62e280194bdc0ad5622c0a065e71018f5c8fbc4c244e6. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USADM2075901 — a six-check JSON result.
Revolutionary (From "de Blob Soundtrack") [Original]
Revolutionary (From "de Blob Soundtrack") - Original
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3d1121d04819c533700503e7cba92c59d8ca98f4b727479cb713e8a21b34b4e. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USADM2085401 — a six-check JSON result.
Menu (From "de Blob Soundtrack") [Original]
Menu (From "de Blob Soundtrack") - Original
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefc3be559238134d947276844df284be97fad8fe935f7ccea43229a0b24e3cc3. Chain 2 (Bitcoin): anchored in block 958083 (2026-07-15T01:50:31Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USADM2015601 — a six-check JSON result.
Funky (From "de Blob Soundtrack") [Original]
Funky (From "de Blob Soundtrack") - Original
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c4facd03aefcc76df9199fe897d381783729ab4db6f6a67afbdc9a9415e56f6. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USADM2063501 — a six-check JSON result.
Fearless (From "de Blob Soundtrack") [Original]
Fearless (From "de Blob Soundtrack") - Original
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb8d4e76a7e8530cbf3c84aa14593e45de587756561fac786a872416f26fcafc. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USADM2090601 — a six-check JSON result.
Euphoric (From "de Blob Soundtrack") [Original]
Euphoric (From "de Blob Soundtrack") - Original
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9c1146f42331bb90de15af4c10380944b55b7ef128f008017b63b3982c5ef43. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T10:05:23Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USADM2081601 — a six-check JSON result.
Defiant (From "de Blob Soundtrack") [Original]
Defiant (From "de Blob Soundtrack") - Original
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56f4958da92ef0288c262a388a5f449f1859c722ea794fc8b497eeceae273ab2. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USADM2014101 — a six-check JSON result.
Challenge Music 6 (From "de Blob Soundtrack") [Original]
Challenge Music 5 (From "de Blob Soundtrack") [Original]
Challenge Music 5 (From "de Blob Soundtrack") - Original
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x844ef38dac33f6a89fd72020ee8156057384ac4f2a57a704bf7a60114963900f. Chain 2 (Bitcoin): anchored in block 958571 (2026-07-18T15:39:25Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USADM2075201 — a six-check JSON result.
Challenge Music 4 (From "de Blob Soundtrack") [Original]
Challenge Music 3 (From "de Blob Soundtrack") [Original]
Unstoppable (From "de Blob Soundtrack") [Original]
Unstoppable (From "de Blob Soundtrack") - Original
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0222a6e5368170ddd026219351ece86448c540921863998fdbfac25aba03e6da. Chain 2 (Bitcoin): anchored in block 957763 (2026-07-12T22:01:25Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USADM2092601 — a six-check JSON result.
Smooth (From "de Blob Soundtrack") [Original]
Smooth (From "de Blob Soundtrack") - Original
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c51ffafbfbbdedce93b1bc3e6e03f55fe8112d6607717d735025633355e3e9b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USADM2094201 — a six-check JSON result.
Righteous (From "de Blob Soundtrack") [Original]
Righteous (From "de Blob Soundtrack") - Original
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x408005b00462b26f2efd0a52e4b179ad4c8e2308f0aa16aed26562e9cba630c0. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USADM2067701 — a six-check JSON result.