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 0x6c90038bb55457ab0928b7c90ff8ed27e15f8b248cb6052c4feffcfd7f5f4d0e. 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/813a1557-21a4-4a14-8f24-99d5848c217e.json and https://artists.proofprofile.net/proofs/artist/813a1557-21a4-4a14-8f24-99d5848c217e.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 0x179ba40361df6fbb5377283b1896bf6374b54f06f60a04593d2f50a00ef8761b. 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/GBHLW1902723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e8c5e51c0a8390d7aacde9fb752c8d7b37d9e3f1728ae88f2fc6c915e7e3381. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:22:17Z), 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/GBHLW1902724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48bd4cbd91bc00bc90b8ff3d70eb433a5e49041bb17a5bfcf5e198831fbb3b07. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:43:35Z), 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/GBHLW1902328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80eef876402ed57de3a0314ed6dc10fb3312195e8ff7f5377033c5f4e361db2f. 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/GBHLW1902728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1590a49e66b20e585412bcc8e8862bb41ea9b1562b24c6a7034a5e673b61a30d. 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/FR10S2419196.
Don't Be a Menace to Blackburn while drinking White Lightning on a Council Estate
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b9da1c0c84793a716fb208dc6ced0c8f098de767e9c5e62f0ed10173de2d7d1. 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/GBHLW1600636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00e56b3f178c3282716452ac4a5e85692341b975f70d46d6f432853fd33a8f94. 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/GBHLW1600614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d017e6a6b4e7ea4bcbc5213b7d9cf275b12d86561266d9a65088d0c8b7abd33. 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/GBHLW1600597.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x792ae69520e1322b1f9605f50ea16b188246613b49cc8fb0b8d5593e86a85f4a. 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/GBHLW2003689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3c1befdfe9341fa6f324acbc49fe698534b8bdae799bb504c72085cb5a46730. 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/GBHLW1701874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9735d55d08e4a5f4989bb98114c7d7943b6a810173c0e557c369c18a5045b37e. 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/GBHLW1701820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd76ea972d9bbdd688beeb8b1afb5bd1480538e063a212a5fd5ce03af4ba8289d. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/GBHLW1600658.
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 0x83144c049fc88a0f7d8fa05b5b6686d057f1e39f09e83b824e8a3f57f6fb60cc. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GBHLW1600592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dff28d31cbd34efc6e10b670012a145bff407264a662f8e2929aea9777b0e12. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/GBHLW1600595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c759c2aaa995037535f95b5214a1519fb3348c86f7a45a5a61ed17c5ae86695. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/GBHLW2103350.
Gutter Funk (feat. Bill Shakes, Physiks, Sean Peng & DJ Acidrain)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x496dde716662bb9547d81fc8592e39a6ae746911bb34fcc663cb373fa35b0d7f. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/GBVW21500004.
Half Dead (feat. Jam Baxter, Lee Scott & Bill Shakes)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0339a36cd05cb7e0386371d8aa4fc7c6ad45aadf6728c8aae94f93d85c420704. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBVW21500007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb58d9ab2780761d959ad3bd17587b550f9c5365696985b8f1f43f8f8701098c4. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/GBHLW1701873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5026214e0c127d35fa7de79aa50216075372c89417bed9da50c1df863980d462. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/GBHLW1701877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdf3299eb5f93016fa05c8a127043421cf5a902d9bc872b6485d0c6ebe56ecdf. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/GBHLW1701878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb88cfb79424b3c77eed6d71e8ed7bfde3c81460a370bf4036777fc598d2246c1. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), 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/GBHLW1701822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40be4ae263e31e1114fa40370d05815f9010191e46a6ac24456516ba8b13afc0. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/GBHLW1701824.