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 0xd2d753eb4a733c1ad4dffd0df39de5051f19b547ad9924a9e7340a65c684710f. 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/dbb75193-098a-442b-a16f-b52fd1652cf4.json and https://artists.proofprofile.net/proofs/artist/dbb75193-098a-442b-a16f-b52fd1652cf4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ruth’s Chris Freestyle (feat. Drakeo the Ruler)
{"copyright_id":"0x49fa2385b063d983c2ce6e97524c8b8dc956861e1209a634e80e13acb01d93c5","isrc":"QZFZ52169966","name":"Watch How You Talk 2 Me","registered_at":"2026-06-29T16:22:03Z","spotify_id":"0xOAzoxxXkfPzEOIK7xetH","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 0x49fa2385b063d983c2ce6e97524c8b8dc956861e1209a634e80e13acb01d93c5. 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/0xOAzoxxXkfPzEOIK7xetH.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/0xOAzoxxXkfPzEOIK7xetH.
{"copyright_id":"0x34cf0c36c45f9524c872aab7ec2122cc5f7a8378b9a040e2848aeec60cb091ff","isrc":"USWB12103420","name":"Rocc Climbing (feat. Lil Yachty)","registered_at":"2026-06-04T05:40:18Z","spotify_id":"5bBzkJE9BqYTL27webAUCw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34cf0c36c45f9524c872aab7ec2122cc5f7a8378b9a040e2848aeec60cb091ff. 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/5bBzkJE9BqYTL27webAUCw.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/5bBzkJE9BqYTL27webAUCw.
Rocc Climbing (feat. Lil Yachty) [Justin Credible Remix]
Rocc Climbing (feat. Lil Yachty) - Justin Credible Remix
{"copyright_id":"0x2a9841bf5a52b0c6e3574cfe6feff295a6bd1092ad3ddf86000e3e382503c431","isrc":"USWB12104907","name":"Rocc Climbing (feat. Lil Yachty) - Justin Credible Remix","registered_at":"2026-06-29T10:20:10Z","spotify_id":"4ON1LMFSQeDz98KtzINVhD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a9841bf5a52b0c6e3574cfe6feff295a6bd1092ad3ddf86000e3e382503c431. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ON1LMFSQeDz98KtzINVhD.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/4ON1LMFSQeDz98KtzINVhD.
{"copyright_id":"0x34cf0c36c45f9524c872aab7ec2122cc5f7a8378b9a040e2848aeec60cb091ff","isrc":"USWB12103420","name":"Rocc Climbing (feat. Lil Yachty)","registered_at":"2026-06-04T05:40:18Z","spotify_id":"2LBLAYPQkt5cOjNp8ELj5l","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34cf0c36c45f9524c872aab7ec2122cc5f7a8378b9a040e2848aeec60cb091ff. 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/2LBLAYPQkt5cOjNp8ELj5l.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/2LBLAYPQkt5cOjNp8ELj5l.
Rocc Climbing (feat. Lil Yachty) [DJ Suede The Remix God Remix]
Rocc Climbing (feat. Lil Yachty) - DJ Suede The Remix God Remix
{"copyright_id":"0x2e0c005a3ffc0709aafcbb9e4cea1675cecdd5a256ca5bbf357c22b582757ab3","isrc":"USAT22215222","name":"Juice (feat. Remble)","registered_at":"2026-06-04T11:14:23Z","spotify_id":"32XNbCEIXG3v7v9lc0t6pV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e0c005a3ffc0709aafcbb9e4cea1675cecdd5a256ca5bbf357c22b582757ab3. 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/32XNbCEIXG3v7v9lc0t6pV.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/32XNbCEIXG3v7v9lc0t6pV.
{"copyright_id":"0x3c76ea2aabfd9a78ae6a78f717953530600a329eebd727d80f4bfe939742ee25","isrc":"USUYG1462257","name":"RIP Hutch (feat. Remble)","registered_at":"2026-06-06T23:13:19Z","spotify_id":"26BsDDMefQ7cRhAU1sZc3M","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c76ea2aabfd9a78ae6a78f717953530600a329eebd727d80f4bfe939742ee25. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/26BsDDMefQ7cRhAU1sZc3M.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/26BsDDMefQ7cRhAU1sZc3M.
{"copyright_id":"0x6b347f37a4f7d758cbaaccf6b12cf130007a460049da4ff5d202809be8bd8782","isrc":"QZK6Q2105888","name":"Penny Pincher","registered_at":"2026-06-09T18:07:43Z","spotify_id":"2RgpMgccVSICvMHqWgcuPW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b347f37a4f7d758cbaaccf6b12cf130007a460049da4ff5d202809be8bd8782. 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/2RgpMgccVSICvMHqWgcuPW.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/2RgpMgccVSICvMHqWgcuPW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9a8f33761986a0ab32a6852f9e94023e8b5b5670bc80cf62bf00f7c298a2642. 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/4LwoKeawGIKUzH72C4biu1.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/4LwoKeawGIKUzH72C4biu1.
{"copyright_id":"0x9f7e13e9254121686e9780a7cee5182df3bb0c1eecd3e1adc7f90295036c0fbc","isrc":"USUYG1393233","name":"It Don't Matter (feat. Remble)","registered_at":"2026-06-06T16:57:18Z","spotify_id":"5nRjLx0FfqNyYabAEZHSaw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f7e13e9254121686e9780a7cee5182df3bb0c1eecd3e1adc7f90295036c0fbc. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5nRjLx0FfqNyYabAEZHSaw.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/5nRjLx0FfqNyYabAEZHSaw.
{"copyright_id":"0xbba5a000e2aa225c921d8c6edf5e148bb32511735d4855cb5c6b3e1c2ca82c2d","isrc":"QZQAY2138780","name":"The Rip","registered_at":"2026-06-07T02:43:49Z","spotify_id":"2xb5tmmdAwcfs9YKlz3Zio","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbba5a000e2aa225c921d8c6edf5e148bb32511735d4855cb5c6b3e1c2ca82c2d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2xb5tmmdAwcfs9YKlz3Zio.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/2xb5tmmdAwcfs9YKlz3Zio.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbba5a000e2aa225c921d8c6edf5e148bb32511735d4855cb5c6b3e1c2ca82c2d. 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/5cC7hrW7FRbCMIC0Pe4him.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/5cC7hrW7FRbCMIC0Pe4him.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9568584dba90870bedcab5ab1e84eb25e08609e6c08c931dbbd7d4b3e26dd09. 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/3txjNR8LkUU9WvIEJLC0uf.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/3txjNR8LkUU9WvIEJLC0uf.