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 0x9424e9a8c1d87b911f1633f20f8b19e87e7a77d2962011aafce1267430cbb964. 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/aaa2bd3e-540a-4a38-805b-bca98f688016.json and https://artists.proofprofile.net/proofs/artist/aaa2bd3e-540a-4a38-805b-bca98f688016.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xf6f3b160d3f17b38a5c18ecb3fde0e4cecc718a137ab6b534d29b0306bb0af9b","isrc":"USUM70743568","name":"Think (About it)","registered_at":"2026-06-04T07:54:16Z","spotify_id":"1kG2PZ8geznbDA8I6iWeDi","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 0xf6f3b160d3f17b38a5c18ecb3fde0e4cecc718a137ab6b534d29b0306bb0af9b. 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/1kG2PZ8geznbDA8I6iWeDi.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/1kG2PZ8geznbDA8I6iWeDi.
Check Me Out If You Don't Know Me By Now
Rock Me Again & Again & Again & Again & Again & Again
You Can't Love Me If You Don't Respect Me
What My Baby Needs Now Is A Little More Lovin'
Mama Feelgood - From The "Black Caesar" Soundtrack
I'll Never Let You Break My Heart Again - Single Version
Rock Me Again & Again & Again & Again & Again & Again - Single Version
We Want To Parrty, Parrty, Parrty, Part 1 & 2
You Can't Love Me If You Don't Respect Me - Single Version
Me And My Baby Got A Good Thing Goin' - Single Version
Give It Up Or Turnit A Loose - Single Version
How Long Can I Keep It Up - Single Version
What My Baby Needs Now Is A Little More Lovin' - Single Version
{"copyright_id":"0x70ffa3ae891adf620c04b9079bab4e0e84ba9eb986c808f0855c1182e6c82a2e","isrc":"USPR37280067","name":"Think (About It) - Single Version","registered_at":"2026-06-22T22:40:48Z","spotify_id":"6nqoNN6O2Fitx28trFrJy5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70ffa3ae891adf620c04b9079bab4e0e84ba9eb986c808f0855c1182e6c82a2e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6nqoNN6O2Fitx28trFrJy5.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/6nqoNN6O2Fitx28trFrJy5.
The Get Down: Original Soundtrack From The Netflix Original Series (Deluxe Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb5730e32275cf1bd1a80e885537fc66a189640e789ec29cc06b34430d0c08c4. 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/4HiJm8eVOH1Uj0PGYCbL1M.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/4HiJm8eVOH1Uj0PGYCbL1M.
{"copyright_id":"0x70ffa3ae891adf620c04b9079bab4e0e84ba9eb986c808f0855c1182e6c82a2e","isrc":"USPR37280067","name":"Think (About It)","registered_at":"2026-06-22T22:40:48Z","spotify_id":"0B3mtlwjuC6mpwjGX8fMVt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70ffa3ae891adf620c04b9079bab4e0e84ba9eb986c808f0855c1182e6c82a2e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0B3mtlwjuC6mpwjGX8fMVt.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/0B3mtlwjuC6mpwjGX8fMVt.
{"copyright_id":"0x24ce145c5471c212faad3e97fa41c46618ad51367e51670f6aeb04488617e170","isrc":"USF067225100","name":"Me And My Baby Got A Good Thing Goin'","registered_at":"2026-06-10T02:29:47Z","spotify_id":"6hR1NJbD343sbvB2QwABdk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24ce145c5471c212faad3e97fa41c46618ad51367e51670f6aeb04488617e170. 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/6hR1NJbD343sbvB2QwABdk.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/6hR1NJbD343sbvB2QwABdk.
Mama Feelgood - From "Black Caesar" Soundtrack
{"copyright_id":"0x409e02be338dda6c1cce477085b2331c05ad26e088ac4a81930154b526b196f9","isrc":"USPR37382292","name":"Mama Feelgood - From \"Black Caesar\" Soundtrack","registered_at":"2026-06-26T17:59:51Z","spotify_id":"2uMqBLYEi5J3oN7TYBIhyN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x409e02be338dda6c1cce477085b2331c05ad26e088ac4a81930154b526b196f9. 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/2uMqBLYEi5J3oN7TYBIhyN.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/2uMqBLYEi5J3oN7TYBIhyN.
We Want To Parrty, Parrty, Parrty - Pts. 1 & 2
{"copyright_id":"0x7a52be4c27a1c48c47fe4ff838ed01040719d6f6ef2cdc09993c37a7f70c2440","isrc":"USPR37380223","name":"We Want To Parrty, Parrty, Parrty - Pts. 1 & 2","registered_at":"2026-06-24T09:27:11Z","spotify_id":"4nwBvinTwwVYv4dqeDF0Ug","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a52be4c27a1c48c47fe4ff838ed01040719d6f6ef2cdc09993c37a7f70c2440. 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/4nwBvinTwwVYv4dqeDF0Ug.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/4nwBvinTwwVYv4dqeDF0Ug.
{"copyright_id":"0xf3dbd0c430abb1773fdd140c1fac27aa72a3efe75da9eb5f0c42134e8715d5bd","isrc":"USPR37580225","name":"You Can't Love Me If You Don't Respect Me","registered_at":"2026-06-22T23:40:47Z","spotify_id":"7GR8CuYu07nZAGRzfgmyRH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3dbd0c430abb1773fdd140c1fac27aa72a3efe75da9eb5f0c42134e8715d5bd. 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/7GR8CuYu07nZAGRzfgmyRH.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/7GR8CuYu07nZAGRzfgmyRH.
{"copyright_id":"0x70ffa3ae891adf620c04b9079bab4e0e84ba9eb986c808f0855c1182e6c82a2e","isrc":"USPR37280067","name":"Think (About It) - Single Version","registered_at":"2026-06-22T22:40:48Z","spotify_id":"24KngxVbnlTBFx8eKLWnuz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70ffa3ae891adf620c04b9079bab4e0e84ba9eb986c808f0855c1182e6c82a2e. 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/24KngxVbnlTBFx8eKLWnuz.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/24KngxVbnlTBFx8eKLWnuz.