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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x191f22bd7807df595c43373e8e45d56d8e3a483ba81e43e39bc2fcf1f34069a4. 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/ea8657a7-1748-45a7-9a50-6d9b129c01f3.json and https://artists.proofprofile.net/proofs/artist/ea8657a7-1748-45a7-9a50-6d9b129c01f3.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41ee5bd3069e256bedd85c9466d9fdb2f5e17d043b419ba3632d146dc53fd4ca. Chain 2 (Bitcoin): anchored in block 957756 (2026-07-12T21:36:27Z), 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/QMFMF2331460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa160b8ed8a23dee930bc2de54219646ad6d832449b0819be9271833a37e0d084. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QMFMF2331461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0758403f06771f2d3a1637d36c4682cb1e5a2ab1d70009bfd89e09d9270f14ec. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QMFMF2331462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98c22ae6d7fa69195ae9fb081dfcdf2b8293ba90f634b2d0cce9c59cddd9e217. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T11:08:10Z), 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/QM4TW2478598.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c569b6c36fcbbca00a3a4eccd8b1c683d015ed0065da44b9e64e3cf766ea319. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QM4TW2478600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x333ab9855031a7f93e241cf20f5869a3267c5414f4c06480bd55e6248b593313. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/QM4TW2478602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae5dff9f39534d6493a69f6ba12a01ae29351c7431b776376d8b1c3eaf2b0f28. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QM4TW2478603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a46b4e4081fb18efd97cff151c72db46917c85949d47183c1c026c1b935a452. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T17:55:37Z), 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/QM4TW2478604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaecb0378b05a2ac132bad79a23ce9ab20ab448bc8f7c057c622881e7cc08b99a. Chain 2 (Bitcoin): anchored in block 957761 (2026-07-12T21:55:15Z), 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/QM4TW2478605.
We are Bump2Soul - Live at TONE Studio, Seoul
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf54dbd6b9e9d0cd78689accbc9d7963512f5e05d2b1e97eaeb446ece0839779d. Chain 2 (Bitcoin): anchored in block 958083 (2026-07-15T01:50:31Z), 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/QMFMF2422164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d208566b52abb421a6fa5a3d84e3f055e5d9ee92232c29ff4e6ff1239939409. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QMFMF2422165.
Do you like F? - Live at TONE Studio, Seoul
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfaa3147861dc72b3aea631dbb89ae2329645fcb977734d518edfcb48025fbe2. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QMFMF2422167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16f4e3cc158932d94258b384472f65c2d1c92a56c5aa7a7cfbcd694522a57b77. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/QMFMF2422168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc906f807e85f57a3f060fe209914c48f48569c0b06768cd7bb0ebaa7ff1cb53d. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QMFMF2422169.
Broken Side Mirror - Live at TONE Studio, Seoul
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x966d849a3c43fce7884df0182e0e5f4827a05980c0587c652a660ce560dc0316. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QMFMF2422170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a7d54bf2c1fdf26da8012ffabf54735cca96e73dbb3da8b1449b28d44ee2007. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T22:17:04Z), 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/QMFMF2422171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd13fdc45773cbfa8afd4d5291043a3902860a3dbcebdcb5996e85ec075bd0c2. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/QMFMF2422172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0070ad3a4917404b08521791df0e78662cf08ada88986a3f894deb5b60e5a26d. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QMFMF2422173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89cdc67593165f707bf721b58cbbca6aec05451d19b56e9044586c9d110ba1a5. Chain 2 (Bitcoin): anchored in block 958622 (2026-07-18T22:58:55Z), 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/QMFMF2422174.