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 0x911b669eae7f3d471a6545b14998e5f025b89b3c3de25929af210f9715fd18bc. 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/85e0407b-fabc-4f6b-bb29-b6fa3c72ebc7.json and https://artists.proofprofile.net/proofs/artist/85e0407b-fabc-4f6b-bb29-b6fa3c72ebc7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
She's Actin' Single (I'm Drinkin' Doubles)
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 0xba90e9e168a5914db23c376c4375ba954245a71a7ac2c080fde2579979105a29. 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/534s480QlxXyIgsRUATg27.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/534s480QlxXyIgsRUATg27.
{"copyright_id":"0xdc212fd7035cd8a5d746bd0a29b599630732a7570dcd0d2439a520d9131245b0","isrc":"USRN10500010","name":"I Had to Get Drunk Last Night","registered_at":"2026-06-29T10:06:59Z","spotify_id":"7wtPu4aWRl74rfGphuMfp6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc212fd7035cd8a5d746bd0a29b599630732a7570dcd0d2439a520d9131245b0. 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/7wtPu4aWRl74rfGphuMfp6.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/7wtPu4aWRl74rfGphuMfp6.
Broken Hearted People (Take Me to a Barroom)
{"copyright_id":"0x1bda39b9b9f2fe0a9ffe53d0839abe93372512c8cecd4f606c37a1ed11c12c30","isrc":"US2AH0401967","name":"Hand Me Another","registered_at":"2026-06-29T10:07:23Z","spotify_id":"2UFHpVZaSuEwGqki3X2OP4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bda39b9b9f2fe0a9ffe53d0839abe93372512c8cecd4f606c37a1ed11c12c30. 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/2UFHpVZaSuEwGqki3X2OP4.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/2UFHpVZaSuEwGqki3X2OP4.
{"copyright_id":"0xb53b3c5c605d9be35ee605db0713d7bb901282c0ffa7ddc042fe71078ee54cc9","isrc":"USRN19500068","name":"She's Actin' Single (I'm Drinkin' Doubles)","registered_at":"2026-06-29T10:07:21Z","spotify_id":"5rD64co5CxWBVo58pDyKd1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb53b3c5c605d9be35ee605db0713d7bb901282c0ffa7ddc042fe71078ee54cc9. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5rD64co5CxWBVo58pDyKd1.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/5rD64co5CxWBVo58pDyKd1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfba9222cc1492e6887996dbae092c9df06bc9fba76d813294195bc530164ec84. 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/10AXqwDJo0MoxrK90HbSuq.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/10AXqwDJo0MoxrK90HbSuq.
An Empty Glass (That's The Way The Day Ends)
She's Acting Single (I'm Drinking Doubles)
An Empty Glass (That's the Way the Day Ends)
{"copyright_id":"0x21ff8108679a5e7a57a206d76c9424a99b0bedbb1ccdc3649a740c39f76cff7d","isrc":"USRN19600306","name":"In Some Room Above the Street","registered_at":"2026-06-29T10:08:55Z","spotify_id":"2E9ZDK9svf7dfHFnX5STpq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21ff8108679a5e7a57a206d76c9424a99b0bedbb1ccdc3649a740c39f76cff7d. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2E9ZDK9svf7dfHFnX5STpq.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/2E9ZDK9svf7dfHFnX5STpq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5311754e5b9ce82c3125a91954fae8472f86595282524b6fcdd67cdff1d675a5. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3adwQQOfbAVP3Zhyh9hHtK.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/3adwQQOfbAVP3Zhyh9hHtK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfba9222cc1492e6887996dbae092c9df06bc9fba76d813294195bc530164ec84. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ttxB9w00kOV3evodjnjZW.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/3ttxB9w00kOV3evodjnjZW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba90e9e168a5914db23c376c4375ba954245a71a7ac2c080fde2579979105a29. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0oJnZy3gzBec8VzCIP5f3Z.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/0oJnZy3gzBec8VzCIP5f3Z.
{"copyright_id":"0xdc212fd7035cd8a5d746bd0a29b599630732a7570dcd0d2439a520d9131245b0","isrc":"USRN10500010","name":"I Had to Get Drunk Last Night","registered_at":"2026-06-29T10:06:59Z","spotify_id":"2ICrZeHhzOJfjayioLI1RQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc212fd7035cd8a5d746bd0a29b599630732a7570dcd0d2439a520d9131245b0. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ICrZeHhzOJfjayioLI1RQ.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/2ICrZeHhzOJfjayioLI1RQ.
{"copyright_id":"0xb53b3c5c605d9be35ee605db0713d7bb901282c0ffa7ddc042fe71078ee54cc9","isrc":"USRN19500068","name":"She's Actin' Single (I'm Drinkin' Doubles)","registered_at":"2026-06-29T10:07:21Z","spotify_id":"1R6YHw8NpWDdYDAeDoulxO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb53b3c5c605d9be35ee605db0713d7bb901282c0ffa7ddc042fe71078ee54cc9. 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/1R6YHw8NpWDdYDAeDoulxO.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/1R6YHw8NpWDdYDAeDoulxO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5311754e5b9ce82c3125a91954fae8472f86595282524b6fcdd67cdff1d675a5. 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/10Xp89nzpacnuQoaAg0ere.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/10Xp89nzpacnuQoaAg0ere.
{"copyright_id":"0x21ff8108679a5e7a57a206d76c9424a99b0bedbb1ccdc3649a740c39f76cff7d","isrc":"USRN19600306","name":"In Some Room Above the Street","registered_at":"2026-06-29T10:08:55Z","spotify_id":"51x5od2OFYgjz8cX1JSIe9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21ff8108679a5e7a57a206d76c9424a99b0bedbb1ccdc3649a740c39f76cff7d. 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/51x5od2OFYgjz8cX1JSIe9.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/51x5od2OFYgjz8cX1JSIe9.
Flat Natural Born Good Timin' Man - Live
Flat Natural Born Good-Timin' Man - Live
She's Acting Single (I'm Drinking Doubles) - Live