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 0x12b1f3ffdd8cf45cddc751fe279f1840a86017be60c9a18188c5475009a52b7b. 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/48204eb0-5ac3-4453-86b5-6b496790c3e5.json and https://artists.proofprofile.net/proofs/artist/48204eb0-5ac3-4453-86b5-6b496790c3e5.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 0x76f988f70ddd584ab2e371acac862e96917c925be0c63eb2cee3a55b6ec9bdf1. 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/59FmZW6HnYFBm9echN4oPG.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/59FmZW6HnYFBm9echN4oPG.
Quotables - f/ Substantial, Wordsworth, PackFM, Session, Rise & Supastition
Polyoptics (Original Motion Picture Soundtrack)
The Things You Don't See Coming - Glass Meadow Rmx
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a03d7fda61a9279dcc2de230918e183aecf7490d6b111fc1b86e197f177f242. 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/77S5WKgAWtXLEGiqlt15oe.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/77S5WKgAWtXLEGiqlt15oe.
Freestyle Hip-Hop Basement Crates: The Best Old-School Underground Freestyle Featuring Ike P, Talib Kweli, Supernatural, Toxic, Wiseguy, Ray Rip Ya'll, & More!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e8a6ff38a820831bbb1ef64d24cc940a710da7f47e12eb51ccf542648f4d221. 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/3UFQM2oW4KXP3ZZ3jtBx2P.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/3UFQM2oW4KXP3ZZ3jtBx2P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd967b6f07c9319a7801ca9a082617a6d7905f4e65b75cc171042be796214e728. 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/5jQtj3763wvbQzOut9CrrW.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/5jQtj3763wvbQzOut9CrrW.
The Source Magazine (Fr) Mixtapes, Vol. 7
{"copyright_id":"0x01b02d3b5bfd5b52aebbeda330a400496cbff1b69fbf8de204a581529b6c738b","isrc":"TCABL1227893","name":"The Distance (feat. Tonedeff)","registered_at":"2026-06-17T13:03:25Z","spotify_id":"0xoxDJZ1bqOZgXmudaicv6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01b02d3b5bfd5b52aebbeda330a400496cbff1b69fbf8de204a581529b6c738b. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:53:25Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0xoxDJZ1bqOZgXmudaicv6.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/0xoxDJZ1bqOZgXmudaicv6.