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 0xac5acc641e8d15d080c29feab175218e467271edd93b43f82e652d54b0794d64. 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/3a46c2f2-cfac-4f64-a65c-e51d27c77efc.json and https://artists.proofprofile.net/proofs/artist/3a46c2f2-cfac-4f64-a65c-e51d27c77efc.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
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 0x8d34615f41dfaa866f7a874bd990728f56afdf1b77cd5a2cb394bb704f6ab07c. 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/GBFQE0310007 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c0c7abfb398885fa06e6552271e573c556fc952790e52a9006c6de289d58da8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBV0800008 — a six-check JSON result.
Hector The Hero: Scotland In Song Volume 6
Morning Has Broken: Scotland In Song Volume 19
The Tartan Collection: Scottish Music - Vol. 20
Will Ye No Come Back Again: Scottish Songs of Longing and Love
Celtic Rock Music - The Listening Library
Mother's Day Music - The Listening Library
Remembrance Music - The Listening Library
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab7960786b75f908f718893a5e9665cd8ad35b4e978e8c4a9d30a8ed98f87509. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBFQE1200118 — a six-check JSON result.
Seventies Romance Music - The Listening Library
Celebration Music - The Listening Library
Dinner Party Music - The Listening Library
Conmonwealth Games Music - The Listening Library
Scottish Ballads Music - The Listening Library
Celtic Ballads Music - The Listening Library
Scottish Independence - Scottish Songs of Pride & Passion
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eae497709647f066c70825c1a507044a29cc15bd7dbcf4f94f6392106fa3b73. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBFQE1202936 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08a72f9ea3d070b227cfada88f0b0b3647628557bd5c0fdd50b59a50f1062ce1. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T10:57:35Z), 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/GBFQE1202937 — a six-check JSON result.
Scottish Wedding Party - Celebrate in Scottish Style
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x767955281adad1dc910d67223669dd094d21af9d141d5d85f41eda9beec2956b. Chain 2 (Bitcoin): anchored in block 959013 (2026-07-21T13:39:11Z), 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/GBSWE1441901 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa89ab26a13ad37d74ff4f37d56e566fef8399d9737d263651a0023766b179577. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/GBSWE1441922 — a six-check JSON result.
Loch Lomond - Amazing Grace (feat. Julienne Taylor) - Female Vocal Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87e617d35e5e870607fb87c036a1b1742759a9306b8360bbc2a03b2702f6810a. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/GBFQE1300288 — a six-check JSON result.
Scottish Favourites, Vol. 18 (feat. David Methven)
Scottish Sunset: Relaxing Songs from Scotland
500 Miles (feat. Julienne Taylor) - Single
Mist Covered Mountains: Songs of Scotland
Highland Experience - Music from Scotland, Vol. 6
Scottish Anthology : The Story of Scottish Music, Vol. 6
Heart of Scotland, Vol. 2 (feat. David Methven)
Heart of Scotland, Vol. 1 (feat. Julienne Taylor and Gordon Campbell)
Heart of Scotland, Vol. 4 (feat. David Methven)
Heart of Scotland, Vol. 5 (feat. David Methven)
Highland Cathedral - Great Scottish Songs, Vol. 3
Highland Cathedral - Great Scottish Songs, Vol. 4
Wow This Is Scotland: Scotland's Greatest Hits, Vol. 2
Scottish Songbook, Vol. 19 (feat. David Methven)
The Sound of Scotland, Vol. 19 (feat. David Methven)
I Love Scotland, Vol. 1 (feat. David Methven)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a5c558d0685430ca8d62eaabb135c07d3577554663ae979fe66f49b1b68463f. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBFQE1810007 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81644aca3a7265ea78a7b2aadb0df3aad851efdc174289d749b9179592db8207. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBFQE1810008 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5214e312964a1ebcffad7245c49fa46fb3a58c33eb741bc1caaa97843762efe. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GBFQE1810011 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad3170f8e0504bb45c3155c38086c91762a9d32f37c91c8a95c541f376dcda4b. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/GBFQE1810013 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70aa96de9da28e2b0cec97aa48d5221ac4095154af790dbb6128539342a32c4f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GBFQE1810016 — a six-check JSON result.