The Heartbreakers (sometimes referred to as Johnny Thunders' Heartbreakers) were an American punk rock band formed in New York City in 1975. The band spearheaded the first wave of punk rock. History
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 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 0xa984fe85313a696eaf0b4e72d9114f90d85534f134815f8fb071a1a585ec7f7e. 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/92a99233-639d-4f9d-b168-0f3c6c20e34d.json and https://artists.proofprofile.net/proofs/artist/92a99233-639d-4f9d-b168-0f3c6c20e34d.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 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 0x09be1630c9c82ebc9ffd3f5ecdd45ab541d408a603c9ff4517684c45870d98ce. Chain 2 (Bitcoin): anchored in block 956620 (2026-07-04T07:11:13Z), 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/GBCST2153401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1806a8a88a7393d821bbc70ea0f5918e3b7246f4ef3427d18e0c8472423fac53. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/GBCST2153402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59ebf5157178b71c7c923b50e9ad003e71a1c1fbfef9efc9e5f6d48342bd553c. 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/GBCST2153403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ff64ee7fc17af9a26030939c1fcebf456703482e9f6766508f04eebcb1e4817. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/GBCST2153404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc89e4aef63c2245a9cc915b8ee73b8cc320fc0a28e43bb4ecafaad43661fd12. Chain 2 (Bitcoin): anchored in block 958658 (2026-07-19T04:09:09Z), 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/GBCST2153405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61c22fd0a33cfd98b23c0f2b5e7fc9d1cae409064c3cec95052473de061a3a73. 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/GBCST2153406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde763844a87d9ac38e371bbebbfc2d0d1cf5f9a5140111a2d7786f74a0242236. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/GBCST2153407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01d28d0ada8300af801d404d647671a0dc66fdd540591d7d1d07b9e7deef2168. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/GBCST2153408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf0ba0d0c03ef0ba1e9a10fcff9f6fde40aee8f553ff61ac71a298030ab73652. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T15:07:00Z), 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/GBCST2153409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97e15903f0506e3bc3d566b41bc6a7d3b0f37aa4df43efed7eaf9e359f1fc2c7. Chain 2 (Bitcoin): anchored in block 959069 (2026-07-21T22:32:59Z), 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/GBCST2153410.
L.A.M.F: The Definitive Edition - Box Set
Born to Lose - L.A.M.F. - the Track LP restored
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x882cc3b0c5555bc8a0bdca3e1164803e0e3f8bd961874b6a973a272d3814667e. 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/GBCST1210401.
Born to Lose - L.A.M.F. - the lost '77 mixes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x290ed33ee0b0e9e882e2904b5c3e6fe7fa64f3ebbf43b600346b0b63491a6803. 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/GBCST9424401.
All By Myself - L.A.M.F. - the lost '77 mixes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40ef7dfc52261320615779f0425b78c494d1744117e60a2a66970c2c54176bbe. Chain 2 (Bitcoin): anchored in block 959026 (2026-07-21T15:38:13Z), 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/GBCST9424403.
Chinese Rocks - L.A.M.F. - the lost '77 mixes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf024319b863c3f40e5f3964bfbe8fd95304ced24aa414798cc001d10ffbd264b. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/GBCST9424406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eaa5ff6026420a3fbda7c1894b57ae725159ca031690e0fc8147ecb2e4132fa. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/GBCST9424405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x290ed33ee0b0e9e882e2904b5c3e6fe7fa64f3ebbf43b600346b0b63491a6803. 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/GBCST9424401.
Soul Jazz Records Presents PUNK 45: Kill The Hippies! Kill Yourself! The American Nation Destroys Its Young – Underground Punk In The United States Of America 1973-1980 Vol.1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa056bf287c583c6526bd93fe53a9642343aa4a52781ddedd4e49dc46ec4de24d. 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/GBBCK1300519.