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 0x0703a8d19a32cfc1db24e61936d2892a7735cb25132bb26acdbcd3ec0e987d6a. 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/7d3b1b14-0e30-4b74-8cd3-8f5fcd8b84bd.json and https://artists.proofprofile.net/proofs/artist/7d3b1b14-0e30-4b74-8cd3-8f5fcd8b84bd.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 0xed41933e0f292c525acd8a19fd20ab719627a97c616df576ba1f4593faa6e666. 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/2pwG1fhFogBEiub9vErZNu.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/2pwG1fhFogBEiub9vErZNu.
{"copyright_id":"0xd1ae3d962e487f5f42eeb8dcb4472c350a7f0327d3041628fccdef12184f41db","isrc":"US4CL0610002","name":"Paranoid Android","registered_at":"2026-06-07T08:49:25Z","spotify_id":"4JNlOKg1uTY6O4RzvSStaa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1ae3d962e487f5f42eeb8dcb4472c350a7f0327d3041628fccdef12184f41db. 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/4JNlOKg1uTY6O4RzvSStaa.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/4JNlOKg1uTY6O4RzvSStaa.
{"copyright_id":"0x3a95541759356a45f310a02e0f76f0e85ade6d321499bd813abefed883bde3a6","isrc":"US4CL0610003","name":"Subterranean Homesick Alien","registered_at":"2026-06-09T05:54:58Z","spotify_id":"5QOnaZuCrqMXIGGAHvazq2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a95541759356a45f310a02e0f76f0e85ade6d321499bd813abefed883bde3a6. 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/5QOnaZuCrqMXIGGAHvazq2.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/5QOnaZuCrqMXIGGAHvazq2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fc7f2440019806019f99083204265a1f4f5fc8c216c9647edc4ec3d837f2e53. 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/0k7Kj4k8vltt8HNihLKZ80.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/0k7Kj4k8vltt8HNihLKZ80.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe541309f625b192392bea4b745fec31e137c9cff025c32e3c03c300e6dc6b91. 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/4aCsgwFhbZ8CmYAotK7W2B.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/4aCsgwFhbZ8CmYAotK7W2B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x201356a002b8692a7a104ad19d5b78674dc7b03dde062cd9096248fd201372db. 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/2nTcHYwkqK6NM54OExjDEi.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/2nTcHYwkqK6NM54OExjDEi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5030e8e64351019ea0703103c97d003c9a41d1daebaaf4ea277477491aeef016. 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/3yM0MhRssXgTB52QPuqNyj.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/3yM0MhRssXgTB52QPuqNyj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7f6aae74a37685c294a2e9d69e9d35627d42f13e0bfc08aa9cf1f5bf6a49790. 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/7BifhsYeujLMzl68HNolEY.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/7BifhsYeujLMzl68HNolEY.
{"copyright_id":"0x33e548cd4dd7c27cea3bc21b5ba8cf5089f25ac1df126075f77fc53b74421c6c","isrc":"US4CL0610009","name":"Climbing Up The Walls","registered_at":"2026-06-08T13:48:53Z","spotify_id":"19BCiU3S6eZL2urn27gqYe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33e548cd4dd7c27cea3bc21b5ba8cf5089f25ac1df126075f77fc53b74421c6c. 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/19BCiU3S6eZL2urn27gqYe.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/19BCiU3S6eZL2urn27gqYe.
{"copyright_id":"0xd497651d7f30c57f8b6ca7dee6e68b99b98b6a30d557761a435fdad223f3c78a","isrc":"US4CL0610010","name":"No Surprises","registered_at":"2026-06-07T02:42:19Z","spotify_id":"6sjSIfnXcVzukm0JjpzLuR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd497651d7f30c57f8b6ca7dee6e68b99b98b6a30d557761a435fdad223f3c78a. 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/6sjSIfnXcVzukm0JjpzLuR.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/6sjSIfnXcVzukm0JjpzLuR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c7de7855db1cbc7e51e9ce67c22217ccd7bca60c7e1160f40e9e025384cd6be. 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/0cWnuiuxGnQnokx9fqUAia.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/0cWnuiuxGnQnokx9fqUAia.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6959c2a5f3867f08adbac2ad675ae43742d81100133728847f7a5cd5b2e14481. 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/1hEKIdoyuci6riVWSIGxRB.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/1hEKIdoyuci6riVWSIGxRB.
{"copyright_id":"0x573b5d8ca328f982473e607eb9b1406cd14e1dce3adb9143dddb57cbbaa4acce","isrc":"US4CL0610013","name":"Exit Music - Bonus Track","registered_at":"2026-06-10T20:29:23Z","spotify_id":"2gH7dCrgeUJ69rlsyhf5wl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x573b5d8ca328f982473e607eb9b1406cd14e1dce3adb9143dddb57cbbaa4acce. 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/2gH7dCrgeUJ69rlsyhf5wl.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/2gH7dCrgeUJ69rlsyhf5wl.
{"copyright_id":"0xdfca6f4a80578ca1f605a0df339d8e922807648887bed4f64bfe1460d131c987","isrc":"US4CL0610014","name":"An Airbag Saved My Dub - Bonus Track","registered_at":"2026-06-19T15:57:17Z","spotify_id":"03AVp6XaKAsfCK6jQAvQXQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfca6f4a80578ca1f605a0df339d8e922807648887bed4f64bfe1460d131c987. 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/03AVp6XaKAsfCK6jQAvQXQ.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/03AVp6XaKAsfCK6jQAvQXQ.
90s Kids (Michael Goldwasser and Easy Star All-Stars Beach Remix)
90s Kids - Michael Goldwasser and Easy Star All-Stars Beach Remix
{"copyright_id":"0x0546741cfc9d3a33189c8cc90731c6249a884b49c5b59e6311cc4ba7b96b5ae2","isrc":"USAT22104438","name":"90s Kids - Michael Goldwasser and Easy Star All-Stars Beach Remix","registered_at":"2026-06-23T11:36:12Z","spotify_id":"1fQu6iKQ1pEXnMmPKPve4K","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0546741cfc9d3a33189c8cc90731c6249a884b49c5b59e6311cc4ba7b96b5ae2. 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/1fQu6iKQ1pEXnMmPKPve4K.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/1fQu6iKQ1pEXnMmPKPve4K.
{"copyright_id":"0x9d886bcc322eca910ab22c795f00d47e7a582be97721c70fb9e4ccbe373cc5a4","isrc":"USAT22101032","name":"90s Kids","registered_at":"2026-06-02T00:12:34Z","spotify_id":"6lIuJwWbXVcGRCsz9NcEMq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d886bcc322eca910ab22c795f00d47e7a582be97721c70fb9e4ccbe373cc5a4. 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/6lIuJwWbXVcGRCsz9NcEMq.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/6lIuJwWbXVcGRCsz9NcEMq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8c05d5f6aa45c64f7b6ae88fe38590a0e02172367b93f8b23597062e238286d. 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/3ZZYN2NKMjD4nL6AGGBjRz.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/3ZZYN2NKMjD4nL6AGGBjRz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed41933e0f292c525acd8a19fd20ab719627a97c616df576ba1f4593faa6e666. 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/7hHTYveFEmX7lZuBte8GXv.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/7hHTYveFEmX7lZuBte8GXv.
{"copyright_id":"0xd1ae3d962e487f5f42eeb8dcb4472c350a7f0327d3041628fccdef12184f41db","isrc":"US4CL0610002","name":"Paranoid Android","registered_at":"2026-06-07T08:49:25Z","spotify_id":"7rKdI5c0cuT2YQwyrvouc9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1ae3d962e487f5f42eeb8dcb4472c350a7f0327d3041628fccdef12184f41db. 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/7rKdI5c0cuT2YQwyrvouc9.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/7rKdI5c0cuT2YQwyrvouc9.
{"copyright_id":"0x3a95541759356a45f310a02e0f76f0e85ade6d321499bd813abefed883bde3a6","isrc":"US4CL0610003","name":"Subterranean Homesick Alien","registered_at":"2026-06-09T05:54:58Z","spotify_id":"56ywY6UYvcDHqwFuh0y38C","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a95541759356a45f310a02e0f76f0e85ade6d321499bd813abefed883bde3a6. 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/56ywY6UYvcDHqwFuh0y38C.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/56ywY6UYvcDHqwFuh0y38C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fc7f2440019806019f99083204265a1f4f5fc8c216c9647edc4ec3d837f2e53. 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/3NumV8iiwiy2ALmtNvOp3T.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/3NumV8iiwiy2ALmtNvOp3T.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe541309f625b192392bea4b745fec31e137c9cff025c32e3c03c300e6dc6b91. 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/01V7R38sYWrBSrhKvSMK4i.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/01V7R38sYWrBSrhKvSMK4i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x201356a002b8692a7a104ad19d5b78674dc7b03dde062cd9096248fd201372db. 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/6if1X1vgnvlqW0daL4TQRh.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/6if1X1vgnvlqW0daL4TQRh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5030e8e64351019ea0703103c97d003c9a41d1daebaaf4ea277477491aeef016. 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/5PiHuaxVfVKRNw5Nj6EzcD.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/5PiHuaxVfVKRNw5Nj6EzcD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7f6aae74a37685c294a2e9d69e9d35627d42f13e0bfc08aa9cf1f5bf6a49790. 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/08ZYVhaXfnSiKzLNfmmtnb.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/08ZYVhaXfnSiKzLNfmmtnb.
{"copyright_id":"0x33e548cd4dd7c27cea3bc21b5ba8cf5089f25ac1df126075f77fc53b74421c6c","isrc":"US4CL0610009","name":"Climbing up the Walls","registered_at":"2026-06-08T13:48:53Z","spotify_id":"5oLsri3CjfnMNJVsAr7DI6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33e548cd4dd7c27cea3bc21b5ba8cf5089f25ac1df126075f77fc53b74421c6c. 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/5oLsri3CjfnMNJVsAr7DI6.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/5oLsri3CjfnMNJVsAr7DI6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd497651d7f30c57f8b6ca7dee6e68b99b98b6a30d557761a435fdad223f3c78a. 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/7cGYlCxF7T1NLJ8o1vP94m.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/7cGYlCxF7T1NLJ8o1vP94m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c7de7855db1cbc7e51e9ce67c22217ccd7bca60c7e1160f40e9e025384cd6be. 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/4mcFwS0TUqXdMJYY05FJcl.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/4mcFwS0TUqXdMJYY05FJcl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6959c2a5f3867f08adbac2ad675ae43742d81100133728847f7a5cd5b2e14481. 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/2HVe96RrFOOnmDOUje4XFb.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/2HVe96RrFOOnmDOUje4XFb.
{"copyright_id":"0x573b5d8ca328f982473e607eb9b1406cd14e1dce3adb9143dddb57cbbaa4acce","isrc":"US4CL0610013","name":"Exit Music (For a Dub)","registered_at":"2026-06-10T20:29:23Z","spotify_id":"2yv5ChOkVgk84hovFHWp76","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x573b5d8ca328f982473e607eb9b1406cd14e1dce3adb9143dddb57cbbaa4acce. 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/2yv5ChOkVgk84hovFHWp76.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/2yv5ChOkVgk84hovFHWp76.
{"copyright_id":"0xdfca6f4a80578ca1f605a0df339d8e922807648887bed4f64bfe1460d131c987","isrc":"US4CL0610014","name":"An Airbag Saved My Dub","registered_at":"2026-06-19T15:57:17Z","spotify_id":"107BDksGjEDtZSzG8UAgfz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfca6f4a80578ca1f605a0df339d8e922807648887bed4f64bfe1460d131c987. 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/107BDksGjEDtZSzG8UAgfz.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/107BDksGjEDtZSzG8UAgfz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fb6274069195f4519af3b393dd50ce5bf6bb9612bf3ec2907bc4b289510737d. 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/3FcDZ9gbGroAQaLfngSapw.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/3FcDZ9gbGroAQaLfngSapw.