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 0x91a750a136d588196d4bbefaa37094a795a8d8e4f0d939867a13ec38ccce8536. 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/1c8a7a72-33e3-401c-8b64-f9f2de7153c5.json and https://artists.proofprofile.net/proofs/artist/1c8a7a72-33e3-401c-8b64-f9f2de7153c5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x4279c717062ea268b9d335cceed14d5255b0f497353cf62a84caf6b097aef26e","isrc":"DKABA1100240","name":"Fly on the Wings of Love","registered_at":"2026-06-04T11:23:19Z","spotify_id":"4v2RaPHSsTvNkggw3RqyeT","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 0x4279c717062ea268b9d335cceed14d5255b0f497353cf62a84caf6b097aef26e. 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/4v2RaPHSsTvNkggw3RqyeT.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/4v2RaPHSsTvNkggw3RqyeT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe04d92d56d1dd89fb6509631bc970464e42300047bc1c7e91c26e1e282690a3e. 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/59TcXiFClbQ0tdmybhBWif.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/59TcXiFClbQ0tdmybhBWif.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55198b7ddf12eade32fba40e46588e0e44ab9408d6f3fbaea25dadd921712ab3. 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/5I2DNFJmWEmBnE49qEr2Cp.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/5I2DNFJmWEmBnE49qEr2Cp.
{"copyright_id":"0x23d718b146673c403776e6ec3ab8f8fcee673cc08f0cb99cccfd24ef44fa95fe","isrc":"DKABA1100243","name":"I Have to Dance","registered_at":"2026-06-20T07:26:57Z","spotify_id":"1N5tP67Irab0C2k6kWSQVt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23d718b146673c403776e6ec3ab8f8fcee673cc08f0cb99cccfd24ef44fa95fe. 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/1N5tP67Irab0C2k6kWSQVt.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/1N5tP67Irab0C2k6kWSQVt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6759b95eead089d4d174b4b4dd0321193e60be067168634094c8d038244bccde. 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/4EBbScXoHRb2w8Ag60kVl8.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/4EBbScXoHRb2w8Ag60kVl8.
{"copyright_id":"0x9c4ff414264f688018af2d777cfbcc8ad1f21bd3c5d0590e2891cb7704dfea90","isrc":"DKABA1100250","name":"Smuk som et stjerneskud","registered_at":"2026-06-04T10:27:36Z","spotify_id":"33frkbGSt6bbfj2Nqo9i1p","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c4ff414264f688018af2d777cfbcc8ad1f21bd3c5d0590e2891cb7704dfea90. 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/33frkbGSt6bbfj2Nqo9i1p.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/33frkbGSt6bbfj2Nqo9i1p.
Wings Of Eurovision (Bonus Track Version)
{"copyright_id":"0x4760b9f98dc30ca077e6a06d411af908a432f5185732829a5a31004aa76d6ec9","isrc":"DKBV71007008","name":"Ein Bisschen Frieden - feat. Nicole","registered_at":"2026-06-11T11:47:40Z","spotify_id":"3DrHnhcEeGzFcHv1jYjKNR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4760b9f98dc30ca077e6a06d411af908a432f5185732829a5a31004aa76d6ec9. 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/3DrHnhcEeGzFcHv1jYjKNR.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/3DrHnhcEeGzFcHv1jYjKNR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0b93cfc663167fdc0756aaf1c0cbe1e14954908b760484390b38b9a7f4f4364. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4LLQL9JmD1iJlfwFBjR6Eq.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/4LLQL9JmD1iJlfwFBjR6Eq.
Fly On The Wings Of Love - New 2010 - Bonus Track
{"copyright_id":"0xb4c7dfccd0f41281bc702768b96e2dd0430a8b72b698394b51e20fb3f8b51321","isrc":"DKBV71007013","name":"Fly On The Wings Of Love - New 2010 - Bonus Track","registered_at":"2026-06-27T05:33:22Z","spotify_id":"4QDtxTGpm7xcgYmgtJsBCl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4c7dfccd0f41281bc702768b96e2dd0430a8b72b698394b51e20fb3f8b51321. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4QDtxTGpm7xcgYmgtJsBCl.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/4QDtxTGpm7xcgYmgtJsBCl.
Smuk Som Et Stjerneskud - new 2010 - Bonus Track
{"copyright_id":"0x75d46d74d2c10dbc6296d340b5b403b1013a52de6afa37c85bfb8067f2de7666","isrc":"DKBV70500202","name":"Little Yellow Radio","registered_at":"2026-06-24T14:52:56Z","spotify_id":"7oQ6Bo0pvK9WtBtAbjowxU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d46d74d2c10dbc6296d340b5b403b1013a52de6afa37c85bfb8067f2de7666. 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/7oQ6Bo0pvK9WtBtAbjowxU.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/7oQ6Bo0pvK9WtBtAbjowxU.
{"copyright_id":"0x01e453f75910cead906da7a72cda371246c7c531d15709730d5b7683aff61449","isrc":"DKABA1100225","name":"Love Grows (Where My Rosemary Goes)","registered_at":"2026-06-18T02:31:34Z","spotify_id":"24QBgAXAuOuy5u01QyEPwq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01e453f75910cead906da7a72cda371246c7c531d15709730d5b7683aff61449. 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/24QBgAXAuOuy5u01QyEPwq.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/24QBgAXAuOuy5u01QyEPwq.
{"copyright_id":"0x32a7864991030bda64d2d4b337ad38162ff001fada025102f20480de54c3c4eb","isrc":"DKABA1100227","name":"Mr Tambourine Man","registered_at":"2026-06-24T14:50:54Z","spotify_id":"0p65RwPYThBZbEYOmoQkxc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32a7864991030bda64d2d4b337ad38162ff001fada025102f20480de54c3c4eb. 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/0p65RwPYThBZbEYOmoQkxc.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/0p65RwPYThBZbEYOmoQkxc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8395beca28f7f414ff93481a5e2e08d00ae7f36250e62ee7b4851583262ea119. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/098CWq3B5qtnY1BZdYm0Wj.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/098CWq3B5qtnY1BZdYm0Wj.
{"copyright_id":"0xb5a619762a8f9639e62328465f2c41141c0aeec7068f0f38515dda1b31693eba","isrc":"DKABA1100230","name":"Breaking up Is Hard to Do","registered_at":"2026-06-21T04:21:52Z","spotify_id":"6YP5Ufvx17RpMcvfV3apzU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5a619762a8f9639e62328465f2c41141c0aeec7068f0f38515dda1b31693eba. 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/6YP5Ufvx17RpMcvfV3apzU.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/6YP5Ufvx17RpMcvfV3apzU.
{"copyright_id":"0x35d700ea1e2dd137fc788edd10803a19c25ea2284a6d6c3e2316d37756aaf75d","isrc":"DKABA1100234","name":"I'll Never Find Another You","registered_at":"2026-06-23T07:59:02Z","spotify_id":"2MXUqm8jlSuAnoVbODsjEc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35d700ea1e2dd137fc788edd10803a19c25ea2284a6d6c3e2316d37756aaf75d. 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/2MXUqm8jlSuAnoVbODsjEc.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/2MXUqm8jlSuAnoVbODsjEc.
{"copyright_id":"0x3b9fbea11e64043f69f66cd3bb71a92ebb3ec53d2418941aece883682c014f63","isrc":"DKABA1100239","name":"Can't Help Falling in Love","registered_at":"2026-06-24T14:51:37Z","spotify_id":"2CPpykxUUWLGRgX1pmdmoX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b9fbea11e64043f69f66cd3bb71a92ebb3ec53d2418941aece883682c014f63. 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/2CPpykxUUWLGRgX1pmdmoX.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/2CPpykxUUWLGRgX1pmdmoX.
San Francisco - du bist die Stadt für mich
{"copyright_id":"0x4ce0ba08094c9a4029830159c79959dc2d1863a1e23b953ffd75d76de00506f1","isrc":"DKABA1102163","name":"San Francisco - du bist die Stadt für mich","registered_at":"2026-06-21T04:24:40Z","spotify_id":"7n1f2Q3nPwu38Zxi0Lstb6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ce0ba08094c9a4029830159c79959dc2d1863a1e23b953ffd75d76de00506f1. 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/7n1f2Q3nPwu38Zxi0Lstb6.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/7n1f2Q3nPwu38Zxi0Lstb6.
{"copyright_id":"0xd01ab89d05be45152007f02347de58137b7dd1c0fccb56e3c3c5089ccbf46136","isrc":"DKABA1104105","name":"Walk Right Back","registered_at":"2026-06-08T20:42:25Z","spotify_id":"7tsU1aqMLfaCYmbq5VFmlw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd01ab89d05be45152007f02347de58137b7dd1c0fccb56e3c3c5089ccbf46136. 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/7tsU1aqMLfaCYmbq5VFmlw.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/7tsU1aqMLfaCYmbq5VFmlw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e827bff62a654fe7d39db4fd8699161035c54d925c1a671bab80056e2a9260a. 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/7It5ADOg7vRlRxVRp5k4Sg.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/7It5ADOg7vRlRxVRp5k4Sg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e827bff62a654fe7d39db4fd8699161035c54d925c1a671bab80056e2a9260a. 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/0weVT0xeJxOl0NcWBaQ1ho.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/0weVT0xeJxOl0NcWBaQ1ho.
San Francisco (Be Sure to Wear Flowers in Your Hair)
{"copyright_id":"0x59b618cd50a00f37d9313edbb74375cb9e4b9c1c8b70e05bc12687ab57e0860a","isrc":"DKABA1102993","name":"San Francisco (Be Sure to Wear Flowers in Your Hair)","registered_at":"2026-06-10T16:01:04Z","spotify_id":"6rDJkF5ubMTiDzUyD8dggr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59b618cd50a00f37d9313edbb74375cb9e4b9c1c8b70e05bc12687ab57e0860a. 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/6rDJkF5ubMTiDzUyD8dggr.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/6rDJkF5ubMTiDzUyD8dggr.
Smuk som et Stjerneskud - Ny Version - Karaoke
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97f9be08953c3a70b19ebce4840eaa096bbbb88fa09e9d8312358062fe746815. 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/1LXdojQitBZI4vUqjRufdx.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/1LXdojQitBZI4vUqjRufdx.