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 0xe3cc25be18fe8c7531b362342e0f0c7753a98503ecc4e932a552f060bb92552f. 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/c15a7ac3-edae-4ed9-a044-a86d11baa6d6.json and https://artists.proofprofile.net/proofs/artist/c15a7ac3-edae-4ed9-a044-a86d11baa6d6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hot Topic (41 Small Stars Remix) by DJ Ham and Cheese on Rye
They Want Us to Make a Symphony Out of the Sound of Women Swallowing Their Own Tongues
All That Glitters [Remix By Rachael Kozak]
Cry for Everything Bad That's Ever Happened
All That Glitters (remix By Rachael Kozak)
Cry For Everything Bad That's Ever Happened
Tres Bien (Nouveau Disco Mix) By Analog Tara
On Guard (the En Garde Mix) By Swim With The Dolphins
Mediocrity Rules (41 Small Stars Mix) By DJ Ham & Cheese On Rye
Dyke March 2001 (Reid's aphro-dykey Mix) By Reid Speed
Deceptacon (DFA Rmx) By Tim Goldsworthy & James Murphy for the Dfa
Much Finer (the Flaxdatass Mix) By Lauren Flax
Nanny Nanny Boo Boo - Arthur Baker vs Coleman & Spencer Smashter Mix
Nanny Nanny Boo Boo (Junior Senior Remix)
Nanny Nanny Boo Boo - Junior Senior Remix
Nanny Nanny Boo Boo - Junior Senior Remix Instrumental Version
Morning Becomes Eclectic (KCRW Live) iTunes exclusive
TKO - KCRW Live - iTunes Originals Version
Sampling/Technology/Discussion - Le Tigre iTunes Originals Interview
On The Verge - KCRW Live - iTunes Originals Version
New Record Discussed - Le Tigre iTunes Originals Interview
Viz - KCRW Live - iTunes Originals Version
Lifestyle2 - Dance Grooves Vol 1 (International Version)
{"copyright_id":"0x64a5adc1f9839a8cdf51bba49c949ab570178674b52fa8c7b2d6549955b9a449","isrc":"USCN30600132","name":"Sisters O Sisters","registered_at":"2026-06-11T05:33:23Z","spotify_id":"4Cw3EgmI1ITQvSdCovuXk7","type":"track"}
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 0x64a5adc1f9839a8cdf51bba49c949ab570178674b52fa8c7b2d6549955b9a449. 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/4Cw3EgmI1ITQvSdCovuXk7.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/4Cw3EgmI1ITQvSdCovuXk7.
Prime (Original Motion Picture Soundtrack)
The Punk Singer (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x307b48bfddd32a4882608dd190a125dc3c0a26fbf70dd39a41017c9131a025e3. 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/44LP8AdKtcG6elukTeDmCD.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/44LP8AdKtcG6elukTeDmCD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e86c4a8c29a96776916e5a03f86bc4c460f699f1fa553808076a9a263fa1142. 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/1hcqz1u7Ke1WswljO6o2z0.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/1hcqz1u7Ke1WswljO6o2z0.
{"copyright_id":"0x47db5768ef95571966c71ad5241b17dffa17038baeaceb6fc59dcf495de34569","isrc":"QMP4J1301314","name":"Eau D'bedroom Dancing","registered_at":"2026-06-11T03:57:35Z","spotify_id":"0gL0SjKU944fOu9lUymqp1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47db5768ef95571966c71ad5241b17dffa17038baeaceb6fc59dcf495de34569. 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/0gL0SjKU944fOu9lUymqp1.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/0gL0SjKU944fOu9lUymqp1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeea5cd8f662d224b29f1500c8a28f179c784bdda9a89ba31d6f9794ffdccc60. 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/4yeILpRczJAXG6kAsE7pGk.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/4yeILpRczJAXG6kAsE7pGk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2b7f4b81645f0fdcc766d4c3ba7243e6b1d1065df000c36f46c4a077e3a6c3a. 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/4rCtycqptZOIqM8YJPf90z.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/4rCtycqptZOIqM8YJPf90z.