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 0xd14819592282ea337e0a3ddf2401cdab49c8fb9130814a212c5ec6afee54e1d2. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ccc45417-f7dc-44bc-9eeb-1fb7fd039b5e.json and https://artists.proofprofile.net/proofs/artist/ccc45417-f7dc-44bc-9eeb-1fb7fd039b5e.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 → block OTSBitcoinBlock must exist at that height 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 0xafde7f071fd49ea610b3969b12ac94a1bc325c5372f737c8dfe789db2fe6ba3c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/BXBAZ1600004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x157503ab516b58a92bbeed0a675996d9f63709c218e7d3f2f099c05ae13f3a68. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/BXBAZ1600003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde62724973be64797591beb383d2c3574453db7053932b586809eda83d8440bf. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/BXBAZ1600006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc21cfbdfcead7109ef618f3d3285445547855704719652787651e0b137440396. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/BXBAZ1600002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x874fa9ff8d5851ba6979de526f159f1d06889daa485a825681607c90b534670b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BXBAZ1600008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8b4617d5efc89c8620efe851f3dc3c521cc9fb87ec3ebc8e7ef1c6fe65027a6. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/US7VG1456244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59f77fa409c6c2f1cc59fdcac8040e005aa332724c9a35395902b00a59bba229. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/US7VG1456245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa35aa175bd15020c6b703c29439b40d3e6cc0005829df04fa01f405e6f0445. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/US7VG1456246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3000d31c7cbec0e42f4414e5f3cb92fa77300d986fdb92e92f63af527911f44e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/US7VG1456247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8efec9515fcf66ec04afecd84ef255221a0bcc53819ef84118e2bd75e039560. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/US7VG1456248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfb769b3c5c15d436b4a193958a003260917cc8fc4f2ee56e19bf8f376a06604. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/US7VG1456250.
Ao Vivo no Festival Dosol Assu 2016 - EP
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa119cc5e2efe824b98d039c800a93d155cc8cde7ad728a301f8790d315d92027. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/HRA110205801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x577d75720eb796fbe5ac8210d3f529d4efdcb6817946acdf8c183af529099875. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/HRA110205802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9e7c458f24daaa03afabd129fe73324e7568288e2219e6b665503fa1c7a8c65. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/HRA110205803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebf232346fb7003f46ff2de59308d06db292c08fb5dd8be53d9ca066d334cfe6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/HRA110205804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x737ce46018bcbcf56d06d1ed71018b6035d2504f55b3a32bb200af3343ae71ab. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/HRA110205807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab19c11a9d9d784fa6098ae1eea07e7c8baa2268481a53f4689a82c622044795. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/HRA110205808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x802a6b54988269243461b3a4197c479912ac09a6a0687c74fa7f2ccf1ebf5faf. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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/HRA110205809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed3e46ff84d7eeaeb03af8a27b0cd18e5e051541eec56276cc0e6e7235ec0d84. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BXVMN2400015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9d4ce880087f5f431f9e2796faa284ca8127254d99fb8330853d675fff676b9. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/BXVMN2400014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51955f3d58af61d6d159a5432cb8b8b05a02b7458cbca1eec975fc8710c4e23c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/BXVMN2400018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e6d1483415565cf057a9c83e369b205606fb30ec53089f97cfa707be6995381. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/BXVMN2400019.