1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x8a4d0737c454729e67edec3e158c0a0285f3334284f485e8b5e0c51d7a0f32b0. 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/0a3984bc-6713-44dc-8132-c1b53dde11bb.json and https://artists.proofprofile.net/proofs/artist/0a3984bc-6713-44dc-8132-c1b53dde11bb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe16541879d5eb99d82deb7b4060f4fc7129d8fb159fe3493701b244bb8609a5d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3M1gA1B2ZSe7WLjjrK8SSt.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3M1gA1B2ZSe7WLjjrK8SSt.
Been Listening (Limited Edition 2CD Set)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d0b2c5fde59385d00beea30617bc951a8508d08b20cd4b66da8e5e8645df59d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3zZvY2ERRzqWmVRu4dKRHR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3zZvY2ERRzqWmVRu4dKRHR.
The Break in the Line / The Triumph of Hellenism
The Break In the Line/ The Triumph of Hellenism
The Mountain is Burning - (from SWEET WILLIAM EP)
Trains (Rose, Mary and Time) - (from SWEET WILLIAM EP)
Sweet William (Part 1) - (from SWEET WILLIAM EP)
{"copyright_id":"0x450d079377db9c2b39a4842fba99e810fab32f8bccb0d5e8e6b9d9c9a91398d6","isrc":"GBKZV1025576","name":"Barnacled Warship","registered_at":"2026-06-29T19:56:21Z","spotify_id":"2R0yDqFfgcgECnVsMeU2au","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x450d079377db9c2b39a4842fba99e810fab32f8bccb0d5e8e6b9d9c9a91398d6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2R0yDqFfgcgECnVsMeU2au.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2R0yDqFfgcgECnVsMeU2au.
The Mountain is Burning - from SWEET WILLIAM EP
Trains - Rose, Mary and Time - from SWEET WILLIAM EP
Sweet William - Part 1 - from SWEET WILLIAM EP
Sweet William Part 1 - from SWEET WILLIAM EP
{"copyright_id":"0x58eb9c4e524c173451b52e3e08281feaeebf63a7cbffffbbe0474255912273e6","isrc":"GBKZV1324857","name":"Bottom of the Sea Blues","registered_at":"2026-06-29T21:12:31Z","spotify_id":"2rYuzlbWGyca47JtpU0rFO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58eb9c4e524c173451b52e3e08281feaeebf63a7cbffffbbe0474255912273e6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2rYuzlbWGyca47JtpU0rFO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2rYuzlbWGyca47JtpU0rFO.
Lost and Found - Live in Washington DC, Solo
Washington DC - Live in Washington DC, Solo
Murmuration - Live in Washington DC, Solo
Brown Trout Blues - Live in Washington DC, Solo
Been Listening - Live in Washington DC, Solo
The Lady is Risen - Live in Washington DC, Solo
The Wrote and the Writ - Live in Washington DC, Solo
After Eliot - Live in Washington DC, Solo
Country Mile - Live in Washington DC, Solo
Shore to Shore - Live in Washington DC, Solo
Einstein's Idea - Live in Washington DC, Solo
Wayne Rooney - Live in Washington DC, Solo
The Lady Is Risen - Live in Washington DC, Solo
Detectorists (Original Soundtrack from the TV Series)
In April (From "Song One) [Original Motion Picture Soundtrack]
"In April" Single from Song One (Original Motion Picture Soundtrack) - Single
"In April" Single from Song One (Original Motion Picture Soundtrack)
{"copyright_id":"0x56a9151d2aacfc82bc46b1529982eab8533444d566fff5bb7db9442bca92a61c","isrc":"GBKZV1500069","name":"Country Mile - Krono Remix","registered_at":"2026-06-18T18:57:35Z","spotify_id":"1wxDpr4Rpgs2z9zV1oMOnO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56a9151d2aacfc82bc46b1529982eab8533444d566fff5bb7db9442bca92a61c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1wxDpr4Rpgs2z9zV1oMOnO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1wxDpr4Rpgs2z9zV1oMOnO.
The Night My Piano Upped and Died (Live at the Roundhouse)
Raising the Dead (Live at the Roundhouse)
Brown Trout Blues (Live at the Roundhouse)
Wandering Aengus (Live at the Roundhouse)
Jefferson's Torch (Live at the Roundhouse)
The Wrote and the Writ (Live at the Roundhouse)
Introducing the Band (Live at the Roundhouse)
Heart Sunk Hank (Live at the Roundhouse)
Eyeless in Holloway (Live at the Roundhouse)
Queen Bee (Emma Original Motion Picture Soundtrack)
Home & Dry (For the Fishing Industry Safety Group)
{"copyright_id":"0xd417ac0e4264e045eb74a35998b4165ccb9dfac028521b3a8d79ac7cc74f58b7","isrc":"GBKZV2100046","name":"Tree Rings","registered_at":"2026-06-29T09:06:18Z","spotify_id":"6PjsKdjYYPY2tI4plBo7gp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd417ac0e4264e045eb74a35998b4165ccb9dfac028521b3a8d79ac7cc74f58b7. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6PjsKdjYYPY2tI4plBo7gp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6PjsKdjYYPY2tI4plBo7gp.
Through The Misty With You (From “The Score”)
Through The Misty With You - From “The Score”
Johnny Flynn Presents: ‘The Score’ (Original Motion Picture Soundtrack)
Four Letters of Love (From The Original Motion Picture Soundtrack)
Four Letters of Love - From The Original Motion Picture Soundtrack
EMMA. (Original Motion Picture Soundtrack)
{"copyright_id":"0xd597f161f10bd3516f2c924b225bd9c3ef771f3d8023b76e6393e8e492898ee9","isrc":"GBKZV2000002","name":"Queen Bee (Emma Original Motion Picture Soundtrack)","registered_at":"2026-06-05T04:47:46Z","spotify_id":"1HRK6v7Kh3PpQ1bcI4rYHC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd597f161f10bd3516f2c924b225bd9c3ef771f3d8023b76e6393e8e492898ee9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1HRK6v7Kh3PpQ1bcI4rYHC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1HRK6v7Kh3PpQ1bcI4rYHC.
Mr. Knightley And Jane Fairfax Duet (Drink To Me Only With Thine Eyes)
{"copyright_id":"0xf03e7361d915490981f9fc0287938467d763393ec4ecaa2be83acb93b381ecf2","isrc":"USQ4E2005311","name":"Mr. Knightley And Jane Fairfax Duet (Drink To Me Only With Thine Eyes)","registered_at":"2026-06-07T07:04:07Z","spotify_id":"5gvWAOXbhhAF9mm9nXWSv5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf03e7361d915490981f9fc0287938467d763393ec4ecaa2be83acb93b381ecf2. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5gvWAOXbhhAF9mm9nXWSv5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5gvWAOXbhhAF9mm9nXWSv5.
Scrooge: A Christmas Carol (Music from the Netflix Film)
{"copyright_id":"0xb32814e967df365e451e5496a814b3eb4446b3fad869f2ff76eea4ca67f26177","isrc":"USLS52231002","name":"Christmas Children","registered_at":"2026-06-23T11:44:20Z","spotify_id":"64ZLVeCJ4qZK0vgUSFIu6h","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb32814e967df365e451e5496a814b3eb4446b3fad869f2ff76eea4ca67f26177. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/64ZLVeCJ4qZK0vgUSFIu6h.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/64ZLVeCJ4qZK0vgUSFIu6h.