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 0x355963e2aac5b6aaf2eeb61874b4954ae22d7c23d219bcf303cbba5591c4eca6. Chain 2 (Bitcoin): anchored in block 953633 (2026-06-14T12:47:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3257782c-2372-4dbf-80d8-06d070942d90.json and https://artists.proofprofile.net/proofs/artist/3257782c-2372-4dbf-80d8-06d070942d90.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 0x0cffc2840626bfccb988f6f16ebeb8b09af7dfc597a049f2ba6df2c8e6171bec. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USACX0510150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c31bbf51060e77ea480ae13ac4d59b032e81e65c59bb216d767bd8164077c14. 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/USACX0510151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7605b9aa1e96d2006b0807397a0266e05355a152d60c2bfed9822a828043f34f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USACX0510155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x798c4da3fc59a2306fcb7dc7b1c641bb39a734801770ae587659f4b9cde6f029. 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/USACX0510158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafa2917f2249e2aeb71793e04160ef33684e470dd8b0f09e9207e870a4fe8401. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USACX0510160.
Ridiculous Junk (feat. Braille, MaxOne, Man of War, Gibraan)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf62781e3de75e2bed77facb497a8d082b0c2d7a39990ba71e138a40c51448adc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USACX0510161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x862a19af08dab178501477171d4d3fba0bb15bc319c1d171461337666defb7db. 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/USACX0510162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1009670e624c611af05c1ef8025bdda24155fefd968a458346e88c89f120ea72. 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/USACX0510178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62fea5b7a5f7d8655aa9a9b3eec1ae0000e4bba806cb9559489d363160f4d79b. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USACX0701262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b42f39d57a4b99681a541b98e64489885a4c0d548e98cb585651e7aadf1c53c. 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/USACX0701263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb06d67636a6a30b2c32b767732e90e996738a3f085aa7b7cdcfc99624bb2c77. 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/USACX0701265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda0441dcaa90f63186d8877116c825b4b101af96b33b406e00f1da234f7cbed9. 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/USACX0701267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95e9ec964831f0e61e7197cc41ebe9d3cc43acc9ca6c195aedaa86d5e295aeaf. 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/USACX0701269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3ec3820da8b63c3425dc9cb18f3268a1535212139cfc2aa143318781a5cb9aa. 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/USACX0701270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e8b6dcaa32788bbc5e23c6d858039cf4e62c6a591c109b67174481013cf89c9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USACX0701273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a49bd5406a01f11b292ba1620dbfb227d62953ebac9a161001da003abb32b74. 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/USACX0701274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e7acce4e400307523c6274be03915c6f11c110b81cb9845b5427bbdbe54019d. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USACX0510033.
Quality Junk feat. Marcos Curiel of P.O.D.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce5f9a1145079dc41eebc978a6799e2e7d9c4fb3e6680b7e0a01e4b22c3b5165. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USACX0510050.
Night Owls 3: The Chiropractor's Goldmine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ac964539e2050951c337c01aec444f3a228c4fa2ecf0e9b69849bef06882b10. 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/USACX0801983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc481365d03d0bba4f7559bc8fd67e9ee6b1584e938d6b05f8a32e773ed415205. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USACX0510045.
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 0x35feef6773ee0c2b50949133da3b209c81704e32a3eb4d7735b652cfe4ececcf. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/USACX0702761.