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 0xbe00e0bc591282dc176a4a714bf1deffa48e7a2a93538e73a83a828ae8fff54e. 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/569b7edb-f0b7-424b-bfed-e3c74272c400.json and https://artists.proofprofile.net/proofs/artist/569b7edb-f0b7-424b-bfed-e3c74272c400.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x22a76ff082908cca14bfb9e9cec94dc7da411a77f129b96283abb22e873fe633","isrc":"USRC12103357","name":"Broken In All The Right Places","registered_at":"2026-06-04T13:56:15Z","spotify_id":"7iIdgKhJdGEZywpSTcfRC8","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 0x22a76ff082908cca14bfb9e9cec94dc7da411a77f129b96283abb22e873fe633. 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/7iIdgKhJdGEZywpSTcfRC8.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/7iIdgKhJdGEZywpSTcfRC8.
{"copyright_id":"0x3660f7f323cdcb1ff508fb65f8f782b7c21ce1bbe83697d7968b7aa91f3d809d","isrc":"QZRUP2400048","name":"Flyin' Pass - Remix","registered_at":"2026-06-10T03:25:24Z","spotify_id":"09CN5zQxOzkjRR3I7WgFjY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3660f7f323cdcb1ff508fb65f8f782b7c21ce1bbe83697d7968b7aa91f3d809d. 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/09CN5zQxOzkjRR3I7WgFjY.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/09CN5zQxOzkjRR3I7WgFjY.
{"copyright_id":"0x22a76ff082908cca14bfb9e9cec94dc7da411a77f129b96283abb22e873fe633","isrc":"USRC12103357","name":"Broken In All The Right Places","registered_at":"2026-06-04T13:56:15Z","spotify_id":"3iINQZKpmSMY2mkjLtlzYO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22a76ff082908cca14bfb9e9cec94dc7da411a77f129b96283abb22e873fe633. 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/3iINQZKpmSMY2mkjLtlzYO.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/3iINQZKpmSMY2mkjLtlzYO.
{"copyright_id":"0xa20cb1778c4bc156537b21aba6de5a6b66816e8e82505cd84ee8f89016f2aaf1","isrc":"USA2P2230136","name":"Movie Star (ft. MOD SUN & Global Dan)","registered_at":"2026-06-08T18:29:30Z","spotify_id":"10X6ueKex7MGPXgt0ESpEs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa20cb1778c4bc156537b21aba6de5a6b66816e8e82505cd84ee8f89016f2aaf1. 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/10X6ueKex7MGPXgt0ESpEs.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/10X6ueKex7MGPXgt0ESpEs.
Movie Star ft. MOD SUN & Global Dan (#kzn & TeddyLoid Remix)
{"copyright_id":"0x86adc4b9f85c69b2c0613078486c7c4c075de02a50bf9014e2d0669e445278e2","isrc":"USA2P2245831","name":"Movie Star ft. MOD SUN & Global Dan (#kzn & TeddyLoid Remix)","registered_at":"2026-06-21T20:13:52Z","spotify_id":"70nbcvTmiZ2O8sWufyRswu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86adc4b9f85c69b2c0613078486c7c4c075de02a50bf9014e2d0669e445278e2. 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/70nbcvTmiZ2O8sWufyRswu.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/70nbcvTmiZ2O8sWufyRswu.
Movie Star ft. MOD SUN & Global Dan (Steve Aoki Remix)
Movie Star ft. MOD SUN & Global Dan (Steve Aoki VIP Remix)
{"copyright_id":"0xfb5c6716a084535a3275f3cb115668b553df1561bf9a1f2b89b763f3cb6064e7","isrc":"USA2P2133633","name":"Down (feat. Travis Barker)","registered_at":"2026-06-04T16:32:43Z","spotify_id":"5mkjZ6EciJaZrRXUL5eDfH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb5c6716a084535a3275f3cb115668b553df1561bf9a1f2b89b763f3cb6064e7. 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/5mkjZ6EciJaZrRXUL5eDfH.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/5mkjZ6EciJaZrRXUL5eDfH.
0X1=LOVESONG (I Know I Love You) feat. MOD SUN
{"copyright_id":"0x00a915111e2866bad8e1672ab5ae041fe120c3204eee3d55b3e95080ebe7f187","isrc":"USA2P2135647","name":"0X1=LOVESONG (I Know I Love You) feat. MOD SUN","registered_at":"2026-06-05T11:12:59Z","spotify_id":"2BS6hEI43E8Rx1vDwG7B2N","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00a915111e2866bad8e1672ab5ae041fe120c3204eee3d55b3e95080ebe7f187. 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/2BS6hEI43E8Rx1vDwG7B2N.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/2BS6hEI43E8Rx1vDwG7B2N.
{"copyright_id":"0x5bff36fed2d885b24e40e600d1e2020e31d760b6af9b5dffca0d88ca4b2b0e84","isrc":"USEP42323005","name":"blame me for everything","registered_at":"2026-06-06T10:17:20Z","spotify_id":"3gdFfyVjx5g5uqqpPH00vg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bff36fed2d885b24e40e600d1e2020e31d760b6af9b5dffca0d88ca4b2b0e84. 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/3gdFfyVjx5g5uqqpPH00vg.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/3gdFfyVjx5g5uqqpPH00vg.
{"copyright_id":"0x5bff36fed2d885b24e40e600d1e2020e31d760b6af9b5dffca0d88ca4b2b0e84","isrc":"USEP42323005","name":"blame me for everything","registered_at":"2026-06-06T10:17:20Z","spotify_id":"5gdiHedipHaBBXcp7TkPmK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bff36fed2d885b24e40e600d1e2020e31d760b6af9b5dffca0d88ca4b2b0e84. 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/5gdiHedipHaBBXcp7TkPmK.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/5gdiHedipHaBBXcp7TkPmK.
{"copyright_id":"0x9d2d57de8f14c203c78f5d4117e39839c7d1a8522250fecfa9043cb422cd1a17","isrc":"USA2P2113252","name":"Flames (feat. Avril Lavigne) [Acoustic]","registered_at":"2026-06-06T03:46:33Z","spotify_id":"6bHO3zGU6RarIsp62su2DI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d2d57de8f14c203c78f5d4117e39839c7d1a8522250fecfa9043cb422cd1a17. 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/6bHO3zGU6RarIsp62su2DI.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/6bHO3zGU6RarIsp62su2DI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe7a845874de222ff1c35c7d25a0e69e7f7dc5309647778b36d17ca8702b3395. 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/6z7mOTf4O20AApGsTNn7fC.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/6z7mOTf4O20AApGsTNn7fC.
{"copyright_id":"0xbde7babd1bb76e741f0edb3d4fdd24c96e4c76e3595ef26a1d947065e63bc9a2","isrc":"USA2P2108499","name":"Heavy (feat. blackbear)","registered_at":"2026-06-05T21:17:59Z","spotify_id":"4xD908nOSNCQwAWfLgv3Vk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbde7babd1bb76e741f0edb3d4fdd24c96e4c76e3595ef26a1d947065e63bc9a2. 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/4xD908nOSNCQwAWfLgv3Vk.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/4xD908nOSNCQwAWfLgv3Vk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d718159e7572050dcd988110391982b27517a9c846efc6f64e6225676ecebc. 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/4VJuBQ2aMdxiC9dwoY1bSB.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/4VJuBQ2aMdxiC9dwoY1bSB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d718159e7572050dcd988110391982b27517a9c846efc6f64e6225676ecebc. 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/4kAsc2vx4NBqk9dXn1nrZC.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/4kAsc2vx4NBqk9dXn1nrZC.
{"copyright_id":"0xcba210c986d7c888e571e6308bbc11978edf41de19c0cda6c3e21fecfe422bd9","isrc":"TCABJ1217049","name":"Stay High (feat. Mod Sun)","registered_at":"2026-06-04T15:56:28Z","spotify_id":"1kntApJbCWNPajWjt23eEO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba210c986d7c888e571e6308bbc11978edf41de19c0cda6c3e21fecfe422bd9. 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/1kntApJbCWNPajWjt23eEO.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/1kntApJbCWNPajWjt23eEO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9fb7e772a4fe9092a3af3f305941a91c816d7a0a230099d4c9111dab4e384dc. 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/4N1wA0Zf3Y5Zq3kvm8L20L.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/4N1wA0Zf3Y5Zq3kvm8L20L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5543f692748cca9b17b636fa69a067313750fe26a08b342d3027540e18a4dc1. 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/0R6W8YLjH8QMOpZTqjPt6K.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/0R6W8YLjH8QMOpZTqjPt6K.