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 0x2f34ecd3d6bc488c5be0bb425015f2ec98760a83aebfb5764302aeb62afde093. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e79c4980-c29c-40e7-8775-5f4537f998b5.json and https://artists.proofprofile.net/proofs/artist/e79c4980-c29c-40e7-8775-5f4537f998b5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Gleanntán Reel / The Sandymount Reel / The Beauty Spot / The Ravelled Hank of Yarn / The Midnight Reel - Live
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 0x7c202f5c0c75a186b57c2177d0f16c01eb3a01bd80e3f38d6906877ac16176d5. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-16T13:54:40Z), 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/USA371006599.
Bill Sullivan's Polka / The Britches Full of Stitches - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a5c141c63266efc7826a270898b921b403e46d6aa173863847940f00c66d3aa. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/USA371006601.
George White's / High Drive / Fiach's Fancy - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x730396e50a60293ec69d9583920211918545aebebef9ee8fef3c77f1e6e52801. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USA371006602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4ef8c8847ba678e14e2edeb3699a5da373257128f843cbb5dd6775ae0d3418a. 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/USA371006606.
Far from Home / The Sally Gardens / The Sligo Maid - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf271f7409135eff9d53a46baaebb8ca452c72a9a486f5b10c0e0c19f2fe86218. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371006607.
Bean Dubh a' Ghleanna / The Ace and Deuce of Piping - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca35ede8c884b00aa3e9f9654a36b3f42b1a213c0665ec04e4c1a3af186b066e. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USA371006610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fcd44b90f604970f73a49905c460031a173f36d4f97a34070c119d60d5aa12e. 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/USA371006613.
Old Tipperary / Down the Back Lane - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d288d0433854eedf6dd699fc75ea3aa6504e35bfa726808b8bfcf3999a61aac. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USA371006616.
Devaney's Goat / The Green Fields of Rossbeigh / The Dairymaid - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3380e85161bc7ada54f3325e0c74c397f677dd3ad84c2b364563253a152531dc. 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/USA371006617.
The Diamond Jig / Piper's Chair / Maid in the Meadow
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d7d6e8cf733df07df9f2edcd27db23b3cfd87ba2fe0a8ae2a0a232c714c7db5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/IEFNZ1100201.
Ryan's Rant / Corney Is Coming / King of the Clans
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x635169ca86964a28c4465f6dea4ba5769a6433cc42e847453bac3e9ed40ea3a0. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/IEFNZ1100202.
Kitty in the Lane / Michael Relihan's / Mother and Child
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15a4d089a416f7e716d2405434ff53599449d9e9f66722ec135ab509d13a5f79. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/IEFNZ1100203.
Shandon Bells / The One That Was Lost / Anthony Frawley's
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6e80ca12fb8b73a37c1388465d0c583b5dd3eccee438fffd73e432a8bbf53fa. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IEFNZ1100204.
Jim Donoghue's / O' Reilly's Greyhound / Lawson's Favourite / Dunboyne Strawplatter
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ceb9212a5e8da16eb82556d6195a102baec51d02d92cf35bd55d34329e14648. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IEFNZ1100210.
Humours of Tullycryan / Humours of Ballyconnell
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f517817aeac4bb0f93b397bf3de1a8c5c9edd5d1d684609c0a03248e1e34c3d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/IEFNZ1100211.
Lord McDonald's / Fairhaired Boy / Miss Ramsey's / Ivy Leaf
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf970f7f86f34e29c446441bf4e35325a334b1d696f2be8d226c8054105a89ad7. 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/IEFNZ1100212.
Ambrose Maloney's / Dowd's Favourite / Toss the Feathers
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a52f6f5b4ceddc8e4d482bbf857eaaf1b06d367c466dece4e895943e271afe8. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/IEFNZ1100214.
West Wind / Corner House / Connacht Heifers
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c9838789078b7b4a78a1ebe89ac8f57bf28037bc90375a4c115b36bcf7f1b3d. Chain 2 (Bitcoin): anchored in block 960303 (2026-07-30T20:11:13Z), 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/IEFNZ1100205.
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
Colonel Fraser's / Highest Hill in Sligo / The Rookery
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbb58caaf84ec6e76ad806fc83896cc78ebd16e5775b1dbdacd3231d080e664a. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/IEFNZ1100206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24e232790bccf0edabcd62d41f618fbaec6d6ffda31b793562de108fab91db4e. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IEFNZ1100207.
Pinch of Snuff / Cleaning the Henhouse / Follow Me Down to Carlow
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x925cf7ebb90eef902bf04c58097f9ceab7a778f8135faa7175e99be636e4a9c2. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/IEFNZ1100208.
Peter O' Byrne's Fancy / Come Along with Me / Besom in Bloom
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b4a0d0e3953de628ef127e61eba68ec7f587e3dbfcfd56eb8fd4423363d60b9. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IEFNZ1100209.
Sporting Pitchfork / Woods of Old Limerick / Lark on the Strand
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b768286ec27f7b50c170629a44add0f949760dfdd07df3d6279ba1da02b04d8. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/IEFNZ1100213.
Quilty Shore / Grogan's / Kitty's Rambles
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cad9a05cc14b7953f6c408665888af9660bdcada76825f1b72d1a802cf52c04. 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/IEFNZ1100001.
Stoney Steps / Hunt in the Bog / Merry Dogs of Easter
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cccc54ec0ce782879c0ece310c4664e33ab4342fbefe3bf1a2df22554889981. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IEFNZ1100002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3892110622163ea41be60a7a5c7179d353027e94950805bb3629838d5dcf520. 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/IEFNZ1100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f98cdbe310de0a16779c9f5540a2c32ab0f4692fcdee7eba4e62ff9a86b8f16. 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/IEFNZ1100004.
Geoghagan's / McDonagh's / College Groves
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab74be4caf82304e890ce3ac75b854461c84bc3494a78c1e57e0c88be20279aa. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IEFNZ1100005.
Duke of Leinster / Old Bush / Spike Island Lasses
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bfc39b716f5616f4a6dbb935e30834a2e3b75d92b53a143efd5b493f99eff8a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/IEFNZ1100012.
George White's Favourite / Copper Plate / Béara Reel
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fc87c269d7d67d1b45a338b7bff48c4f08b40e759acd65b9ac76b857eb50430. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:57:47Z), 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/IEFNZ1100009.
Dogs Among the Bushes / Barrowburn Reel / Wynne's No. 3 / Sonny's Return
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56035a987c09a4e8b4e49c24614982a6bec7b33cec2d0657c6b66fbb632b5a2f. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/IEFNZ1100006.
Blackbird / Flowers of Edinburgh / Mrs. Galvin's
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77eb4cf76ce6de63f051b950ce3e3873823d6f12c6d6fc932185a7a75c86e944. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IEFNZ1100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x164c37c21765c8db73e7062f1561dcea265074908d08854feed92efbe69cfcdb. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/IEFNZ1100008.
Maghera Mountain / Brian Quinn's / Tommy Coen's / My Mary-Anne / The Nervous Man
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67db21a196d3ce4917f455b89054efc8a1ed55cbe58d8802eaf3e9b80935aa33. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IEFNZ1100010.
John Mahony's / Willie Coleman's / Tonra's
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80ee138a659c6958bbfe587314e5a0121a2d1e83d15620b758592a5d08f16184. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/IEFNZ1100011.