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 0xecd63569983ade09b1dfb8add751b31524cabd45431f01dad2ffc400fb9c60d2. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ab39cfa6-07f1-4ea1-912b-1be0f88b5067.json and https://artists.proofprofile.net/proofs/artist/ab39cfa6-07f1-4ea1-912b-1be0f88b5067.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Kasta inga stenar (Don't Cuss That Fiddle)
Snålhet är värre än brännvin (Greed Kills More Than Whiskey)
{"copyright_id":"0x41d35e042feb13e3d3a734966e967f9bfa8af0d69f3b55856bce598f299652d2","isrc":"SEPQM0613673","name":"Snålhet är värre än brännvin (Greed Kills More Than Whiskey)","registered_at":"2026-01-29T08:11:47Z","spotify_id":"6hzoFmEvId1gIuekc8QUL9","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 0x41d35e042feb13e3d3a734966e967f9bfa8af0d69f3b55856bce598f299652d2. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6hzoFmEvId1gIuekc8QUL9.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/6hzoFmEvId1gIuekc8QUL9.
Det spelar ingen roll (Just the Other Side of Nowhere)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02cfb74210d92ef63f12032e41f8c544b5b62622480de4503a88e64a6d60352c. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-02T22:05:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2qYAqiIiidF3Vt6h0qz4Nb.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/2qYAqiIiidF3Vt6h0qz4Nb.
Det är för många som snackar (Too Many Do-Goods)
Drömmar jag drömt med dig (Dreamin' My Dreams)
Let's All Help the Cowboy (Sing the Blues)
Margit finns på Essos motell (Margie's at the Lincoln Park Inn)
Balladen om Birger Bergman (The Baptizm Jesse Taylor)
Låt älvarna få leva (Roll on Sweet Mississippi)
Jag undrar om jag nånsin sa adjö (Makes Me Wonder If I Ever Said Goodbye)
Tänker nästan jämnt på dej (Always on My Mind)
Sex fot under en kall kall jord (Six Feet Under That Cold Cold Ground)
Du som drar omkring på jorden (Hobo's Lulluby)
Ett minne som står still (I'd Do It All Again)
På grund av en sång (Me and Bobby McGee)
Från religion till renat (Everything from Jesus to Jack Daniels)
Britt-Marie Mattsons äventyr (The Adventures of Linda Bohannon)
Min dörr är alltid öppen (The Door Is Always Open)
Var det värt ett så högt pris (It Doesn't Matter Anymore)
Maria - dra inte ut på stan - Ruby - Don't Take Your Love to Town
Morsan brände farsans ölschapp igår kväll
En afton vid Mjörn (feat. Stella Robertson)
Till Ada Med Kärlek - Alf Robertson Sjunger Lasse Dahlquist
Jag är inte den jag var förut (I'm Not the Boy I Used to Be)
Sådan kärlek kan ej dö (Ol'love Never Dies)
Har vi gjort allt vi kan (It Just About Does It - Don't It)
Min värld e' bra ändå (A Bottle of Wine and Patsy Cline)
Finlandsbåten och januari blåste kall (The Jaes Town Ferry)
Balladen om Nisse Karlsson (Coward of the County)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7f0e269246f0179769323477e44559b0b21095bfa07b907ac3cb82c0541edb5. 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/5hNfIp3Nk430jwbUwyCTom.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/5hNfIp3Nk430jwbUwyCTom.
Om du har ett hjärta (It's a Sin to Tell a Lie)
Jag flög över vårt hus i går natt (I Flew over Our House Last Night)
{"copyright_id":"0x98bb2deaba4e86dec14969b8b852fe258c9f8aa71ffe24bb329050d978da933f","isrc":"SEPQM0610990","name":"Ljus och värme","registered_at":"2026-01-28T20:35:20Z","spotify_id":"7pbICFoZDSMAERiXrbnmqn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98bb2deaba4e86dec14969b8b852fe258c9f8aa71ffe24bb329050d978da933f. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7pbICFoZDSMAERiXrbnmqn.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/7pbICFoZDSMAERiXrbnmqn.
På andra sidan ån (Across the Borderline)
Balladen om tre soffor (Three Sofas Story)
Filip Melanders son (Son of Clayton Delayney)
Jody and the Kid - 2002 Remastered Version
I'm Not the Boy I Used to Be - 2002 Remastered Version
Thank You Connersville Indiana - 2002 Remastered Version
When I Loved Her - 2002 Remastered Version
Jag ska sätta mig ner och skriva ett litet brev (I'm Gonna Sit Right Down and Write Myself a Letter)
{"copyright_id":"0x98bb2deaba4e86dec14969b8b852fe258c9f8aa71ffe24bb329050d978da933f","isrc":"SEPQM0610990","name":"Ljus och värme","registered_at":"2026-01-28T20:35:20Z","spotify_id":"3zgpMcUC03k1RmuC2G3JMA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98bb2deaba4e86dec14969b8b852fe258c9f8aa71ffe24bb329050d978da933f. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3zgpMcUC03k1RmuC2G3JMA.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/3zgpMcUC03k1RmuC2G3JMA.
{"copyright_id":"0x67502ccd1bc8538622925579ef1a6a00d8f5bdcba1454bebce0b4133bdb6aad5","isrc":"SEPQM0610986","name":"I mina skor","registered_at":"2026-01-28T22:00:10Z","spotify_id":"2OzchXzWxauRGdheJNWm0U","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67502ccd1bc8538622925579ef1a6a00d8f5bdcba1454bebce0b4133bdb6aad5. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2OzchXzWxauRGdheJNWm0U.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/2OzchXzWxauRGdheJNWm0U.
{"copyright_id":"0xa29350e273ae17fe1eb86b34c51a5d2e2f98c90513a848cff23da3b36ec97da4","isrc":"SEPQM0610980","name":"Kasta inga stenar (Don't Cuss That Fiddle)","registered_at":"2026-01-29T07:46:28Z","spotify_id":"2L8xAi1FYKsBxjyZPpUUot","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa29350e273ae17fe1eb86b34c51a5d2e2f98c90513a848cff23da3b36ec97da4. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2L8xAi1FYKsBxjyZPpUUot.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/2L8xAi1FYKsBxjyZPpUUot.
{"copyright_id":"0xa5f419f76683eebc995f7e4f5aaeb6e90a6b53ba0906189c1309e9aba5621e28","isrc":"SEPQM0610971","name":"Jag är min farsas far","registered_at":"2026-01-29T07:45:16Z","spotify_id":"6iMV0cy1I4eCokw00V1uk1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5f419f76683eebc995f7e4f5aaeb6e90a6b53ba0906189c1309e9aba5621e28. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6iMV0cy1I4eCokw00V1uk1.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/6iMV0cy1I4eCokw00V1uk1.
{"copyright_id":"0xe43a2efc2d3d4b2a076fc84e36b20d7254dd43d881aa70a8df532243a52f333f","isrc":"SEPQM0610967","name":"Lasse och Mari (Jody and the Kid)","registered_at":"2026-01-29T08:11:39Z","spotify_id":"16NbmmCtm8KUlqpKDSPs3S","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe43a2efc2d3d4b2a076fc84e36b20d7254dd43d881aa70a8df532243a52f333f. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/16NbmmCtm8KUlqpKDSPs3S.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/16NbmmCtm8KUlqpKDSPs3S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x842b41023cd00f98cc6afb656c66f9668d722c44dbde72e2476963bba892ebb4. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6QdmEjm1emDl0g0zyL2zdt.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/6QdmEjm1emDl0g0zyL2zdt.
Ta På´re Höghälspumpsen - (Highhealed Sneakers)
Ali Baba (I Wash My Hands In Muddy Water)
Jag Ställer Klockan På Väckning - (Whole Lotta Shakin´ Goin On)
Erik Hultbergs Industrier / Riv Inte Vårt Kvarter
Erik Hultbergs Industrier/Riv Inte Vårt Kvarter
Ta På´re Höghälspumpen - - Highhealed Sneakers
Ali Baba - - I Washed My Hands In Muddy Water
Jag Ställer Klockan På Väckning - - Whole Lotta Shakin´ Goin On
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c540f79aa718a70c1c95c031af1a808b0808b99ed931beb47b99bfe1302d2d4. 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/4ld7i6wns7TxCMB2jpcjgX.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/4ld7i6wns7TxCMB2jpcjgX.
{"copyright_id":"0x67502ccd1bc8538622925579ef1a6a00d8f5bdcba1454bebce0b4133bdb6aad5","isrc":"SEPQM0610986","name":"I mina skor","registered_at":"2026-01-28T22:00:10Z","spotify_id":"1AooWrQvu04pcIKa5wtPwz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67502ccd1bc8538622925579ef1a6a00d8f5bdcba1454bebce0b4133bdb6aad5. 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/1AooWrQvu04pcIKa5wtPwz.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/1AooWrQvu04pcIKa5wtPwz.
Våra Mest Älskade Svensktoppar Volym 3, 1968-1969
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x821321420736732efc330521f2b1d7d8bea452562517245b5ee88818c8426186. 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/7HdReJMBSM2fGVcyaY0Hjr.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/7HdReJMBSM2fGVcyaY0Hjr.
Våra Mest Älskade Svensktoppar Volym 4, 1970-1972
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c540f79aa718a70c1c95c031af1a808b0808b99ed931beb47b99bfe1302d2d4. 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/14ELunPE9Pj8nMGs6Z9YM5.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/14ELunPE9Pj8nMGs6Z9YM5.
{"copyright_id":"0x975b81cef606a9f8bc8b530c36bcb3e5dfd7d5571ee6bb852229925b6de392bc","isrc":"SEPQM0610939","name":"Den jag önskar att du va'","registered_at":"2026-03-20T04:54:47Z","spotify_id":"6jHdOBQJ8VYDLe7MEwQsLF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x975b81cef606a9f8bc8b530c36bcb3e5dfd7d5571ee6bb852229925b6de392bc. 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/6jHdOBQJ8VYDLe7MEwQsLF.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/6jHdOBQJ8VYDLe7MEwQsLF.
Sveriges Bästa Dansband - Berts Favoriter Vol. 3
{"copyright_id":"0x98bb2deaba4e86dec14969b8b852fe258c9f8aa71ffe24bb329050d978da933f","isrc":"SEPQM0610990","name":"Ljus och värme","registered_at":"2026-01-28T20:35:20Z","spotify_id":"0rny9gz1Fzv12MNiqF0KfN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98bb2deaba4e86dec14969b8b852fe258c9f8aa71ffe24bb329050d978da933f. 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/0rny9gz1Fzv12MNiqF0KfN.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/0rny9gz1Fzv12MNiqF0KfN.
Sveriges Bästa Dansband - Berts Favoriter Vol. 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x842b41023cd00f98cc6afb656c66f9668d722c44dbde72e2476963bba892ebb4. 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/7w9i4yx5PYdQ0iOFWIyxH0.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/7w9i4yx5PYdQ0iOFWIyxH0.
{"copyright_id":"0x975b81cef606a9f8bc8b530c36bcb3e5dfd7d5571ee6bb852229925b6de392bc","isrc":"SEPQM0610939","name":"Den jag önskar att du va'","registered_at":"2026-01-28T18:04:59Z","spotify_id":"5k3oga6XdeViihqK1kaA9K","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x975b81cef606a9f8bc8b530c36bcb3e5dfd7d5571ee6bb852229925b6de392bc. 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/5k3oga6XdeViihqK1kaA9K.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/5k3oga6XdeViihqK1kaA9K.
Upp till dans 28 - Gobitar från 60/70-talet
{"copyright_id":"0x257240e8b48dcdbfa2fdd3dd50b274d1fea9d262bce267c9845eaedc397cf0ea","isrc":"SEPQM0610966","name":"Hundar ungar och hembryggt äppelvin","registered_at":"2026-03-20T05:04:26Z","spotify_id":"1i0Rvn74fqPY19H27PIzjV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x257240e8b48dcdbfa2fdd3dd50b274d1fea9d262bce267c9845eaedc397cf0ea. 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/1i0Rvn74fqPY19H27PIzjV.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/1i0Rvn74fqPY19H27PIzjV.
Visor på Falkeröd - Ett vishemman i Bohuslän
{"copyright_id":"0x3c0772eaa4f8903062f51ab7506f5bdb1ed0eb19e84d881b68070f0eaa4a8e8d","isrc":"SEAMA8107110","name":"Stuvarevalsen - 2006 Remastered Version","registered_at":"2026-01-28T20:40:16Z","spotify_id":"6iEepdYpJPVx9G8IFDNeIr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c0772eaa4f8903062f51ab7506f5bdb1ed0eb19e84d881b68070f0eaa4a8e8d. 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/6iEepdYpJPVx9G8IFDNeIr.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/6iEepdYpJPVx9G8IFDNeIr.