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 0xd0fbd6a31014cd8413d4af74151effe70d89b6cc9998856c901ec70cabc33497. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6834f270-1ddd-4742-b205-d6791cd96454.json and https://artists.proofprofile.net/proofs/artist/6834f270-1ddd-4742-b205-d6791cd96454.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 0x46051bc113f2c86a78124e9e2103b0f35aeb893e2895bde76a7491c8ff281083. 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/US59E0810044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x937324939593090f5ebcd5b830cb235cab9ed39db1d5b3e4242b777e5d57d55c. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/US59E0810035.
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 0xd9333f79bd4304f6d462174330289437abe46d777c355b4c019807259f7311da. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/US59E0810036.
Love It - Phil Asher's Restless Soul Vocal Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4240f588145428901da768fb2a87c82a40448050126ed7eeb1e40c77cd0b36a4. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GB7GV1040004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64b698bcf20976679d848e270f6929e69851d987164e5af415efdf0f3cf20e68. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBBFH1100034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x650063009a7185e015aede7d5757fd162cd4b5bba1038b9e60ad789189614e76. 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/CH5170900057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3336cebe321487922bb95b9cd6c70f16019b75ffd283d1e4d68b440de0294c61. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBNYT0600096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9e3110bf82915818310889088b8b4b1579fd40e391b6423b10210df083c44ed. 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/FR4GL1071421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eb92ae14fc5302458549742c0091a52eee1b041563ae73d8ed1876a7c88a890. 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/GBJKH0800416.
Off My Mind - Groove Assassins Vocal Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96d4d6c26f8fe8e0867b2cb4085ea7326b27b6f001b237d40f8f56e28090f900. 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/GBJKH0800592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5290939d3507bf8a33f404491d83744c4ff0615de6f14bccb7e038a27dfe7436. 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/FR4GL1071424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa5a951a60c8f51086fbe43eac65ff9869058f1f62161e656deae98e01db610e. 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/GBCPZ0100344.
Mad Mats Presents Digging Beyond the Crates
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x432a6da20f6bb5e6c43280fdbdc0e7e146eeebc5f13924127652b758a053710c. 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/GBEQT1600502.
Don't Hold Back The Feeling - Key Trip Dub
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0ec89ba59a1dbeb40491e6eeda162ddca93edf115f2185c6b19afcb145be0c4. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/GBEQT1600512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9654596a37481755b853bcbedeada15ae185ff7255fef5b1207466cd5f3aba58. 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/GBEQT1900367.
The Lesson - Doc Brucio's Original Mix – Jamie 3:26 Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba423628c2085b03f8cbe2c16676c7c5354f47052dcdbcd388a56a45392a5af4. 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/GBEQT1900365.
Papa Records & Reel People Music Present Messages, Vol. 2 (Compiled by Kyoto Jazz Massive)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb66f101b281bf5dd3be2cc82affc06263f3b470714a2fd8ee647aa68d418ca92. 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/GB7GV1112005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61753d3c8f9586372200f3bbc8c68984d60a4d7560cea0f901aa94352dd92cdd. 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/GBFNE0810012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba4a5b2007d2ff4268e5df80aea6134301bb20922345f2381408de7e2e2ddb4. 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/GBFNE0514001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eb0e7b1804c0621eed4b21c4a0cf82b3838f2fb88ac68e603d266addd5a4181. 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/GB7GV1411014.
Golden Lady - Unplugged @ Livingston Studio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa26b3efe0e8d4ec1f0e4b5073cd29f97af130d948f040cadb0b28c0c811bf73a. 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/GB7GV1140002.
Papa Records & Reel People Music Present: Messages, Vol. 3 (Compiled by Atjazz)
Papa Records & Reel People Music Present: Messages, Vol. 1 (Compiled by Matthew Bandy)
Purobeach Volumen Seis - Compiled by Ben Sowton & Boris Cantero
Papa Records & Reel People Music Present: Best Of 2010