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 0x9e6663d85a64127a8239d5400b36950a7f1057cebb6a1f472225a8a10172729b. 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/6c26cb8d-1fc0-48a3-baa6-776dea29f16b.json and https://artists.proofprofile.net/proofs/artist/6c26cb8d-1fc0-48a3-baa6-776dea29f16b.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 0xe7a21ac7ef815b94af2c6b047bc784944bdb56666897eb3d5be754efc919c622. 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/1VjyZ0JGUO3mjC9O14RwMh.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/1VjyZ0JGUO3mjC9O14RwMh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb489ca71e2ed4af069d8eae3e6cdf55ec35d80bdac58f60e651a1788220a3481. 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/1O2rz8CfdazBPL4jkWnbOL.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/1O2rz8CfdazBPL4jkWnbOL.
{"copyright_id":"0x96e5151d3ff81ca7ddb79ff58ce48b1b7e45288a4a484ae8c62ac67195049fb5","isrc":"TCAFS2100696","name":"Future Beginning","registered_at":"2026-06-29T16:16:55Z","spotify_id":"7AeurmzUJcn1B70svRNwce","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96e5151d3ff81ca7ddb79ff58ce48b1b7e45288a4a484ae8c62ac67195049fb5. 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/7AeurmzUJcn1B70svRNwce.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/7AeurmzUJcn1B70svRNwce.
{"copyright_id":"0x96e5151d3ff81ca7ddb79ff58ce48b1b7e45288a4a484ae8c62ac67195049fb5","isrc":"TCAFS2100696","name":"Future Beginning","registered_at":"2026-06-29T16:16:55Z","spotify_id":"2IuuhupFy9reoYGPN3Xt9s","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96e5151d3ff81ca7ddb79ff58ce48b1b7e45288a4a484ae8c62ac67195049fb5. 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/2IuuhupFy9reoYGPN3Xt9s.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/2IuuhupFy9reoYGPN3Xt9s.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e5425e5b3417f5f442c4d346fccdbe21314f1df53acc6d3de8d4da37b6d711b. 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/6wKxYhg4hf4vPnCHSBZzMo.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/6wKxYhg4hf4vPnCHSBZzMo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e5425e5b3417f5f442c4d346fccdbe21314f1df53acc6d3de8d4da37b6d711b. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2mWyWlYoy1nFdyhk8m0itr.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/2mWyWlYoy1nFdyhk8m0itr.
{"copyright_id":"0xb56eb16e4fb8e386bcc4917ea0c3c1c7fb522fb47d40b75f0221d78d80c807c7","isrc":"TCAGZ2356943","name":"What a Memory","registered_at":"2026-06-29T13:30:31Z","spotify_id":"2h9181zou9kfmnTseCxxbF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb56eb16e4fb8e386bcc4917ea0c3c1c7fb522fb47d40b75f0221d78d80c807c7. 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/2h9181zou9kfmnTseCxxbF.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/2h9181zou9kfmnTseCxxbF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ea1c698d6257d10494f9425200b6665416c87104cf1f3acc90cf9bd01956a9d. 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/0AdvSCsGrLtrwMY1eSyGJ1.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/0AdvSCsGrLtrwMY1eSyGJ1.
Miss You a Little (feat. lovelytheband) - UTAH Remix
Miss You a Little (feat. lovelytheband) [Remixes]
{"copyright_id":"0x03cc084407372532410e18b27ce911e49b2365dd8c5297a921c34f25c2bad5f2","isrc":"USWB12102861","name":"Miss You a Little (feat. lovelytheband) - UTAH Remix","registered_at":"2026-06-25T16:17:13Z","spotify_id":"0Gu4JkqglBWGE0mZ4nQSWt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03cc084407372532410e18b27ce911e49b2365dd8c5297a921c34f25c2bad5f2. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Gu4JkqglBWGE0mZ4nQSWt.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/0Gu4JkqglBWGE0mZ4nQSWt.