1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb15daae8811c53b2a13860f5b149a7033e817795a220fb2734bd8a9e22066bde. 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/0246f6d1-993d-4bff-8997-0ceb21b6c6a7.json and https://artists.proofprofile.net/proofs/artist/0246f6d1-993d-4bff-8997-0ceb21b6c6a7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cce412084043d9c01a36c3de56e732b4affb27c8bf7b7eea3d57f18901c4f2f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2317023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9eb97b9764c8c40c50840c091cf828a7a380f91987f5c3f81754992f0e91bb1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6P42358825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafe8744e32193c13597690aa2b364f6b5e28f189bb3499382fb0c6a85aac2b5b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ2430642.
active! - Fast & Furious: Drift Tape/Phonk Vol 1
active! (Fast & Furious: Drift Tape/Phonk Vol 1)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x748d1d5685b6058fa083ddfb91fd7762370bb0da40905f88064bf07599b5294b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZVFR2200239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe57b43d7ab84595e6879c260f4d0b7cab0198092a11d2884cab300a4ba2a7d1c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG2312186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04f05b1cbbbe66bd9b04752d4df4b90c9dae6bb8728a200ab544a5c74de8bf1e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2365539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77eff75ae857bbce76c17f9566b77e5a12ee04467bf9095a3c95916b1da38c45. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2447368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e69503e9e28e3666f05f262db32f54f368eb68001a2c006c2b2967c1ccf0f0a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2456246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd503a495dd78d16f43395c572f723671bfb1a49bb341e8e70539d3e9c309b2e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2406273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a3e725d17d6acb43d157dc8bb4e89560f0d54915aaccb6beb381e6a82da11b8. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ92392666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb137f14c126f9f4aed9190b6e28f69bf2a081777bdddcd410a78e993b071d58. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2410115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x890ae33a4334365e663cff0e34cfca5bef06031999630a803b35a6553e669025. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME2347467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ab4a71e714222e2a9b2416cb10cfc1a478625e3fae5faabb758aa16dc6bc435. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG2368342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x584c04a1721c03e990aaf3cbee932845b18e1e5022aa710fdeb0f4607fa66bde. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6P42388190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bb2e5a52e92a08ea831dc85df3c24ad19eae07d2fdd1e6ba1556eaedbe68b5a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2372738.