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 0x3ebee391c3417895dceb9c6ae96ddaa414259646fd57cc121fcd143a0c3e978a. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7fdb4df9-7912-41e4-b976-313b99cdd52d.json and https://artists.proofprofile.net/proofs/artist/7fdb4df9-7912-41e4-b976-313b99cdd52d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Turning On (Deluxe 10th Anniversary Edition)
Hey Cool Kid (Acoustic, Live for The Fader)
Can't Stay Awake (Live at Knitting Factory, Brooklyn, NY, 06/24/10)
Turning On (Live at Knitting Factory, Brooklyn, NY, 06/24/10)
Hey Cool Kid (Live at Knitting Factory, Brooklyn, NY, 06/24/10)
Should Have b/w I Know (You're All Done With Me)
I'm Not Part of Me - Live from Bonnaroo 2014
No Future, No Past - Live from Bonnaroo 2014
I'm Not Part Of Me - Live from Bonnaroo 2014
Polyvinyl 4-Track Singles Series, Vol. 1
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 0x4113063dc6ebaa8eace90425b589c4e373a662cf2f23ae593e0e35ae1a148292. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6r3gN1XvHiDcbbaCXP79t2.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/6r3gN1XvHiDcbbaCXP79t2.
Hey Cool Kid - Acoustic, Live for The Fader
Can't Stay Awake - Live at Knitting Factory, Brooklyn, NY, 06/24/10
Turning On - Live at Knitting Factory, Brooklyn, NY, 06/24/10
Hey Cool Kid - Live at Knitting Factory, Brooklyn, NY, 06/24/10
Can't Stay Awake - Live at Knitting Factory
Here and Nowhere Else (10th Anniversary)
Now Hear In - Live at Bell's Brewery in Kalamazoo, 1-15-2015
Quieter Today - Live at Bell's Brewery in Kalamazoo, 1-15-2015
Psychic Trauma - Live at Gasa Gasa in New Orleans, 4-24-2014
Just See Fear - Live at Gasa Gasa in New Orleans, 4-24-2014
Giving Into Seeing - Live at Bell's Brewery in Kalamazoo, 1-15-2015
No Thoughts - Live at Bell's Brewery in Kalamazoo, 1-15-2015
Pattern Walks - Live at Bell's Brewery in Kalamazoo, 1-15-2015
I'm Not Part Of Me - Live at Bell's Brewery in Kalamazoo, 1-15-2015
{"copyright_id":"0xb163a1aa2c98d232d5ac901dc1a404d5262de9056b019f256d6fadd411aefffc","isrc":"USA2Z1510853","name":"Untitled I","registered_at":"2026-06-11T19:31:39Z","spotify_id":"4hw7XfN7kifSPQllyDUrYa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb163a1aa2c98d232d5ac901dc1a404d5262de9056b019f256d6fadd411aefffc. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4hw7XfN7kifSPQllyDUrYa.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/4hw7XfN7kifSPQllyDUrYa.
{"copyright_id":"0xa7afb54b7e195198b0ee31679d45a392b9264ae60c9b7d8f1398e12cefb2a5ef","isrc":"USA2Z1510854","name":"How It's Gonna Go","registered_at":"2026-06-10T22:37:47Z","spotify_id":"2Y5FQjeEyMT1x0Bm0ByNZL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7afb54b7e195198b0ee31679d45a392b9264ae60c9b7d8f1398e12cefb2a5ef. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Y5FQjeEyMT1x0Bm0ByNZL.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/2Y5FQjeEyMT1x0Bm0ByNZL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4113063dc6ebaa8eace90425b589c4e373a662cf2f23ae593e0e35ae1a148292. 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/53378Pv5che6eFMVtSsR2d.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/53378Pv5che6eFMVtSsR2d.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x772bcc6697211ac57cc93c42f8992324512c1d98c77666536227ce5651344dc3. 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/1LPYTbkSgG90N6OuEwng4P.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/1LPYTbkSgG90N6OuEwng4P.
{"copyright_id":"0xf66d94154958ce4e97b41f4f426f23f5e60ef388f7de9bea8d2d285977c6e2a0","isrc":"USA2Z1510857","name":"Untitled II","registered_at":"2026-06-24T23:45:25Z","spotify_id":"7ikzbwviKfglBQuXfFjRM9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf66d94154958ce4e97b41f4f426f23f5e60ef388f7de9bea8d2d285977c6e2a0. 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/7ikzbwviKfglBQuXfFjRM9.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/7ikzbwviKfglBQuXfFjRM9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbce8673cd704953c38655fc1ea132caaa99fdd95c6e58b4010dac4859b5c0162. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6M3jc5sIJyDSCtdEtYb0wf.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/6M3jc5sIJyDSCtdEtYb0wf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1bd8c9db68af4779394ecc7093e2fe57435921d201ac2ca8800038412967884. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0sVWFE1whD1qw4NlMOIsOQ.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/0sVWFE1whD1qw4NlMOIsOQ.
{"copyright_id":"0x1a9e620d5edcc99d02c91186f196f5d16008d0e575c1939c81d04cfbb8e6b71e","isrc":"USA2Z1510860","name":"Such a Drag","registered_at":"2026-06-23T18:09:44Z","spotify_id":"4KgoMfhRiuuZEAnYzIDkOC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a9e620d5edcc99d02c91186f196f5d16008d0e575c1939c81d04cfbb8e6b71e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4KgoMfhRiuuZEAnYzIDkOC.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/4KgoMfhRiuuZEAnYzIDkOC.
{"copyright_id":"0x32ec12a495a999cf79bd5980ae13b6cd5a268afff9aa75489e4a374194ff7f71","isrc":"USA2Z1510861","name":"Nothing Hurts","registered_at":"2026-06-11T19:32:15Z","spotify_id":"3ucXlBK1egY16SgkvdngzE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32ec12a495a999cf79bd5980ae13b6cd5a268afff9aa75489e4a374194ff7f71. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ucXlBK1egY16SgkvdngzE.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/3ucXlBK1egY16SgkvdngzE.
No Cover: Carpark 21st Anniversary Covers Comp
The Eleventh Hour: Songs for Climate Justice
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dff68bb514d17ae641a959933f7344c305396d686d0aa6223d22653c3befff1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7gyX8Y2q0KUWq8xNjdiNLW.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/7gyX8Y2q0KUWq8xNjdiNLW.