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 0x653ce9f5c816e565775bc8f32c5e960aa56a2bf5d66fa50c574816a1f261c3e4. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1ff866cc-f1a1-43f3-a254-6c5a64d624f5.json and https://artists.proofprofile.net/proofs/artist/1ff866cc-f1a1-43f3-a254-6c5a64d624f5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
i made this in a rainy day, and of course, without you (1 5 1 1)
Change The Game (Feat. Jay Z, Daz, Kurupt, Beanie Sigel & Memphis Bleek) - Remix (Explicit)
{"copyright_id":"0xcfb55ce7dd21af97b56390fbcdf8996a6a836c0705ab3b85080fce71756c67f2","isrc":"USDJ20110069","name":"Change The Game (Feat. Jay Z, Daz, Kurupt, Beanie Sigel & Memphis Bleek) - Remix (Explicit)","registered_at":"2026-06-07T06:29:12Z","spotify_id":"6k591qeXA6NpvVb8m93q4f","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 0xcfb55ce7dd21af97b56390fbcdf8996a6a836c0705ab3b85080fce71756c67f2. 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/6k591qeXA6NpvVb8m93q4f.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/6k591qeXA6NpvVb8m93q4f.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a49225ebffa5a1176633d67da0e774a5d1ce28ef872127cf85112cf1ad161bd. 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/6s1x3PEEL0BKTcwKec5jh5.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/6s1x3PEEL0BKTcwKec5jh5.
What You Smoking On (feat. Snoop Dogg, Daz, Kurupt & Kokane)
The Block Brochure: Welcome To The Soil (Parts 1, 2 & 3)
{"copyright_id":"0xaf14052117adcc271b364092c872eccf989bc93c0e537ddbb68c1a1f8938b272","isrc":"US4KV1200003","name":"What You Smoking On (feat. Snoop Dogg, Daz, Kurupt & Kokane)","registered_at":"2026-06-22T00:02:30Z","spotify_id":"2GODnDzCGc2YEPnnydLwE3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf14052117adcc271b364092c872eccf989bc93c0e537ddbb68c1a1f8938b272. 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/2GODnDzCGc2YEPnnydLwE3.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/2GODnDzCGc2YEPnnydLwE3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36de85e56e841a55042ba5f8c15c1294fbf17f114491bb4142662a3ad91b07de. 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/5tO38c8WGdmofNLkdRleEr.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/5tO38c8WGdmofNLkdRleEr.
Candy (Drippin' Like Water) - Final Album Version (Explicit)
{"copyright_id":"0xd76360ca147cc6ba01c138b7c835f94b19660c6e1c5c1da3f90dba1d345a74e6","isrc":"USUM70617175","name":"Candy (Drippin' Like Water) - Final Album Version (Explicit)","registered_at":"2026-06-04T14:33:36Z","spotify_id":"0E1NCpOWUweGB674Hhu7sc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd76360ca147cc6ba01c138b7c835f94b19660c6e1c5c1da3f90dba1d345a74e6. 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/0E1NCpOWUweGB674Hhu7sc.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/0E1NCpOWUweGB674Hhu7sc.
Way Too Crazy - From The Rush Hour Soundtrack
The Block Brochure: Jumbo Pack (All Six Albums)
{"copyright_id":"0xaf14052117adcc271b364092c872eccf989bc93c0e537ddbb68c1a1f8938b272","isrc":"US4KV1200003","name":"What You Smoking On (feat. Snoop Dogg, Daz, Kurupt & Kokane)","registered_at":"2026-06-22T00:02:30Z","spotify_id":"6FAC9Lccgm0forW6bhzEgU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf14052117adcc271b364092c872eccf989bc93c0e537ddbb68c1a1f8938b272. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6FAC9Lccgm0forW6bhzEgU.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/6FAC9Lccgm0forW6bhzEgU.
The Block Brochure: Welcome To The Soil 3
{"copyright_id":"0xaf14052117adcc271b364092c872eccf989bc93c0e537ddbb68c1a1f8938b272","isrc":"US4KV1200003","name":"What You Smoking On (feat. Snoop Dogg, Daz, Kurupt & Kokane)","registered_at":"2026-06-22T00:02:30Z","spotify_id":"63Q5nsoQh7hvzjyo0A2Ypr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf14052117adcc271b364092c872eccf989bc93c0e537ddbb68c1a1f8938b272. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/63Q5nsoQh7hvzjyo0A2Ypr.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/63Q5nsoQh7hvzjyo0A2Ypr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb26612c23c9035aa548481a6107cc442c4d34987ed129c67fb4b31e86977f452. 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/2ZQWipTkcmWSrMQdXPZ764.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/2ZQWipTkcmWSrMQdXPZ764.