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 0xcab58e494b8efd1d7101aa56248db02ea85f5e7f7185ab89a258d7167a78703a. 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/567b3c15-1421-4568-a374-df8b4bd4f8ce.json and https://artists.proofprofile.net/proofs/artist/567b3c15-1421-4568-a374-df8b4bd4f8ce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x4eb2552e6e5bd1d0331d7911d3124478e4068d3ee498b51494e768868f0323ac. 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/5MB1oRXBKVXrTvlLJqteHt.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/5MB1oRXBKVXrTvlLJqteHt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa107288f8544e2cc980206033cd7ee9c61bcb386a39afdf869cbb962940280dc. 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/2nN5nLfJFikdbOWeiMWqNt.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/2nN5nLfJFikdbOWeiMWqNt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa107288f8544e2cc980206033cd7ee9c61bcb386a39afdf869cbb962940280dc. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2hpLteA6GB8eugSxJZyLZl.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/2hpLteA6GB8eugSxJZyLZl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa107288f8544e2cc980206033cd7ee9c61bcb386a39afdf869cbb962940280dc. 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/1UNAHDSuKJZQH3DHIPaFOQ.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/1UNAHDSuKJZQH3DHIPaFOQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd157ff2dde7c8c5150876d81299a1ef6faf327da74e058752e8a9301ac78ab16. 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/4uzwC4dUZCkEtg5kzZmoSN.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/4uzwC4dUZCkEtg5kzZmoSN.
Don't Be The One - Live From Spotify Sydney
Don't Be The One - Live from Spotify Sydney
Don’t Be The One - Live from Spotify Sydney
Don't Be the One - Live from Spotify Sydney
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd157ff2dde7c8c5150876d81299a1ef6faf327da74e058752e8a9301ac78ab16. 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/6Bl2TPk4UGIN8sFradLseA.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/6Bl2TPk4UGIN8sFradLseA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd157ff2dde7c8c5150876d81299a1ef6faf327da74e058752e8a9301ac78ab16. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-02T22:22:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5FbkvQzWjQAP9QMQBANbKS.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/5FbkvQzWjQAP9QMQBANbKS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd157ff2dde7c8c5150876d81299a1ef6faf327da74e058752e8a9301ac78ab16. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2NgHDmx2Q5Aq84bUEV4Pfz.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/2NgHDmx2Q5Aq84bUEV4Pfz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x508c36630a4376923cbe27726ff9599920a618f1203da1080469b14001534a25. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Yq1U60INaYuMddeUdbIJQ.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/1Yq1U60INaYuMddeUdbIJQ.
{"copyright_id":"0x19f7f629d26d67da2e3612f89cc7d488e8ca4df014563aab82b9fc5bca23f1e6","isrc":"US2J72006710","name":"Just Checking In","registered_at":"2026-06-29T19:53:55Z","spotify_id":"0dw7dwY9FQg2MaLefNCX6g","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19f7f629d26d67da2e3612f89cc7d488e8ca4df014563aab82b9fc5bca23f1e6. 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/0dw7dwY9FQg2MaLefNCX6g.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/0dw7dwY9FQg2MaLefNCX6g.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x508c36630a4376923cbe27726ff9599920a618f1203da1080469b14001534a25. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4M5Ixmr1vizuQIv6juF8s8.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/4M5Ixmr1vizuQIv6juF8s8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x508c36630a4376923cbe27726ff9599920a618f1203da1080469b14001534a25. 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/44UAvZzQ63iyHUBC0CEEwB.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/44UAvZzQ63iyHUBC0CEEwB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x746f515088f31454c675dbf66ce3c53e1b5a4dc189152479032f4d86aeb40eef. 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/6rgaAPjqs0JQzAttxzZghW.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/6rgaAPjqs0JQzAttxzZghW.