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 0x86bf2509bb0565f4697bb44fae72cf0dd1a63da9040faec4b32b1b9e9f0425e5. 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/fdb04236-4bf7-42b9-9a6f-f455184d4077.json and https://artists.proofprofile.net/proofs/artist/fdb04236-4bf7-42b9-9a6f-f455184d4077.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Locked out of Heaven - Sultan and Ned Shepard Remix; 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 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 0xb01eec9bf3bd95a0d69783dea479239f3751af4c0df9d0e8e22f6faa3a11fda6. 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/USAT21300156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x110d03ab9bb044806c5e40adbc7a28f19aa675ef9d914fd0d05de539b75fc3aa. 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/GBAHT1200462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21c94d3f01127d603752bbb1aa3aee94dca0ff9e52767dec53fb1e29672b7e20. 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/GBFTG0900044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab974a64b8b3a8f62ae088684b6458e58512b32e2e407ef8b8182e57c20c8923. 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/GBAHT1500003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x994e9249fd2f19558cce253b0d4490c2bdcdf08ece796e9c171f04addd8cba29. 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/GBAHS1400261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b1130f47adb66647f018bac6fdc5bd69d957ec9b832fe434f29cb3516ed883d. 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/GBAHS0800337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf5e16b0c983a162d9fb6cf288b188a817fea4e221c8814fecfeacb10adf860. 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/UK4ZF1900074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91e70cfdc73484f69f3640801f5b291d986190c881c35ce03b18ce9f188218ab. 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/DES231900030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd85a2f3f8960a9d72eb83298ed4e7b0a789b2702c26dffbf32c20b2811ba22ee. 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/DES231900031.
Fallen (feat. Hayley May) [Linier Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98050570bda701a5522c26ed6104d6b041982aaa2ae7db8fb54585d50ae4597f. 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/GBJAJ1600629.
Do You Feel Me - City Soul Project Club Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d2b02834f20d73bc663b10e4a0971cf5b184449f07150f4f1aea991118d548b. 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/GBJAJ1500074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x015e0abd91d03d2f7adbf1e439b6cb527f87d248028f8adadde816afbbaac111. 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/UK4ZF1600023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe560780405e7e16762a7ac1cfaf510be81a0266441212031f2a81477e269ab05. 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/GBENL1501508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd3f7a2c34cc0e00e83965772c71643acde51830c828404a289c0d899acd5b58. 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/DEGL61300100.
Mink & Shoes Feat. Navid Izadi - Original Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab09ecc8560bd564e5be8a8dcdb285dc6c5ba3768bbcfa4d582f802c1848a51a. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/GBGJ51400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc905cf5f83ffb5897f53e1ce0fd16288a3068686e5b71063ddc4bad1e3932402. 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/DEZ651358375.
Take Your Time Feat. Ayelle - Original Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a66054ee49ad0433b2613e79031800fe3392ba32c489087a96dc612f1393f02. 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/UK4ZF1600025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x449d50523669bd1f95290f4b277eca8e8877d52c592369fa4b50a4935a0df03a. 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/GBJAJ1600043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d5ede78c420cb77d8eb23ba9a3177d78ce68ef28667ce7f78840a37b7feff2b. 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/GBJAJ1600234.
Defected Radio Episode 098 (hosted by Sam Divine)