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 0xc06c0123d3798c00f4f71fb2d34d41a48f2f9f9e51acd0947c03e2e982f52a05. 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/8bfeba6c-8629-4fa8-bd1c-0dac50291c76.json and https://artists.proofprofile.net/proofs/artist/8bfeba6c-8629-4fa8-bd1c-0dac50291c76.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pictures of Starving Children Sell Records
Always Tell the Voter What the Voter Wants to Hear
{"copyright_id":"0x6c28f26be7c0801e71f355a574eb949cc23eea49545e24ee2b136466ca87ceb6","isrc":"DEA349700663","name":"Creepy Crawling","registered_at":"2026-06-28T18:25:33Z","spotify_id":"0yB0zroCBsKreiJLSjAzdf","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 0x6c28f26be7c0801e71f355a574eb949cc23eea49545e24ee2b136466ca87ceb6. 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/0yB0zroCBsKreiJLSjAzdf.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/0yB0zroCBsKreiJLSjAzdf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1cf6f377ee8de0a25102229ba47228d0de92f3b55ea516968b4e2ac223770d0. 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/6xvueWdJFvZ77k9yUk47MB.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/6xvueWdJFvZ77k9yUk47MB.
The Best Is Yet To Come - Acoustic Version
She's Got All The Friends That Money Can Buy
Without Reason or Rhyme (The Killing of Harry Stanley)
Without Reson Or Rhyme (The Killing Of Harry Stanley)
Walking Into Battle With the Lord - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf10c6153f1c7d718b70366c09e0508ddbac180879fc256374a3e4072acee06. 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/4obWFg0gPaIdadZE3meW0v.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/4obWFg0gPaIdadZE3meW0v.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc457aef976591e07accd9fbb438f6f271368ac49f6c48e761e6d204c10a6bfbd. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0n2Uy1K4US0BJFcFLMcJ9f.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/0n2Uy1K4US0BJFcFLMcJ9f.
Dropping Food on Their Heads is Not Enough
Soldiers of Rock N Roll (feat. Chumbawamba)
{"copyright_id":"0x4e8da229d595e534ba0ffb5864872c2b4ac57b1e3c9a5d2a521756b18cf5bada","isrc":"USF283111008","name":"Soldiers of Rock N Roll (feat. Chumbawamba)","registered_at":"2026-06-20T04:56:00Z","spotify_id":"3eU4bqyE8k9Qr8Pe0Pwsod","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e8da229d595e534ba0ffb5864872c2b4ac57b1e3c9a5d2a521756b18cf5bada. 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/3eU4bqyE8k9Qr8Pe0Pwsod.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/3eU4bqyE8k9Qr8Pe0Pwsod.
{"copyright_id":"0x061e3f610c3b919e555411ddcc5a8babd01a2021d408493909111d47420ba7aa","isrc":"USUR19700191","name":"Tubthumping - Radio Edit","registered_at":"2026-06-04T06:37:57Z","spotify_id":"74HOfIozwEkCzXx7tzROCE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x061e3f610c3b919e555411ddcc5a8babd01a2021d408493909111d47420ba7aa. 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/74HOfIozwEkCzXx7tzROCE.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/74HOfIozwEkCzXx7tzROCE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x061e3f610c3b919e555411ddcc5a8babd01a2021d408493909111d47420ba7aa. 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/28O4QR1TELuXdcnVw9Q6Kt.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/28O4QR1TELuXdcnVw9Q6Kt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf10c6153f1c7d718b70366c09e0508ddbac180879fc256374a3e4072acee06. 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/6EjStGgHImQCFBxZJocXkD.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/6EjStGgHImQCFBxZJocXkD.
{"copyright_id":"0x061e3f610c3b919e555411ddcc5a8babd01a2021d408493909111d47420ba7aa","isrc":"USUR19700191","name":"Tubthumping - Radio Edit","registered_at":"2026-06-04T06:37:57Z","spotify_id":"7DtN6NJbjAPiqZWGiVNZy7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x061e3f610c3b919e555411ddcc5a8babd01a2021d408493909111d47420ba7aa. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7DtN6NJbjAPiqZWGiVNZy7.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/7DtN6NJbjAPiqZWGiVNZy7.
{"copyright_id":"0xb2c9a444a287425eccf0d15c1251f1c74b2590cfa8550ab65cf083b1ef5056ba","isrc":"GBEVN0200049","name":"The Diggers' Song","registered_at":"2026-06-25T20:28:07Z","spotify_id":"0bHvRgucxIowJbQRChxaWz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2c9a444a287425eccf0d15c1251f1c74b2590cfa8550ab65cf083b1ef5056ba. 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/0bHvRgucxIowJbQRChxaWz.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/0bHvRgucxIowJbQRChxaWz.
ドライブが楽しくなる洋楽ヒッツ！90年代 HITS
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf10c6153f1c7d718b70366c09e0508ddbac180879fc256374a3e4072acee06. 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/0h1owh5X5YmgVoEKsAVylU.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/0h1owh5X5YmgVoEKsAVylU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf10c6153f1c7d718b70366c09e0508ddbac180879fc256374a3e4072acee06. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5D501xPurYXvF0zpaSQ5nM.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/5D501xPurYXvF0zpaSQ5nM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf10c6153f1c7d718b70366c09e0508ddbac180879fc256374a3e4072acee06. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1pNILA2edph0xDtPmTwMJt.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/1pNILA2edph0xDtPmTwMJt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf10c6153f1c7d718b70366c09e0508ddbac180879fc256374a3e4072acee06. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Ltwp2Ox2DLermZ5ENqZNA.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/5Ltwp2Ox2DLermZ5ENqZNA.