The McCoys were an American rock group formed in Fort Recovery, Ohio in 1962. They are best known for their 1965 hit single "Hang On Sloopy". Originally named Rick and the Raiders, they changed their
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 0x49851fd6a6ca6925925844bc01f8d0e166331e2d552d4ff4480f55387e0ccd9a. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2306f9a2-d854-44d3-9897-59d5cdfecd9a.json and https://artists.proofprofile.net/proofs/artist/2306f9a2-d854-44d3-9897-59d5cdfecd9a.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 0x2f71ad2c2cba896f9249cbe27f9d5a86ef92656f13b38b9b3af871d67c87bc88. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T10:30:55Z), 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/USSM11501609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe5f246f0643628b3837609e533b70f7c59de4354c548ecfc5b372410d01c6bf. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/USSM11501610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x393a49399fc165dbf84d5fe3ab82bad28612734684831774ab20aca2347b16a0. 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/USSM11501613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe0c333bf4c0f49c288f4f071bd92102346e1482120818a3b26febcfe2f11afa. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/USSM11501614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4b032a76c23cd079bd6c5b35b2b5ded3097ff8a8b00cab21aa102ddafa4933f. Chain 2 (Bitcoin): anchored in block 957852 (2026-07-13T11:25:45Z), 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/USSM19907083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50bca3e111a7201f631427a19416154567bfc04d0e26e756fd407f6c35a91b67. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T08:27:26Z), 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/USSM19907091.
I Got To Go Back (And Watch That Little Girl Dance)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a0abb6cbfcf713bf96757e7797501aa370391279c506f0e2a4c4bc7516397b1. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/USSM19907096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7ce95cabe0f974709f666b481aad446c5ddc1eae3c0c5f680df017f7f7193cf. Chain 2 (Bitcoin): anchored in block 958880 (2026-07-20T15:23:20Z), 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/USSM19907098.
Hang On Sloopy (UK Chart Top 40 - No. 5)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x563a24b211263481155e58cc1d24b73d3177ab0256978b1fb24ec2d38d2460f9. 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/USLE11599501.
Hang On Sloopy (Re-Recorded) [Sped Up] - Single
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56b9e37dfd5b072dc5f43d3a8f64c39e537b374d7a96f385ac70822768cf50e7. 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/USSM16501202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76841a2baf7f4f4488bdcea7f6dd41992f7c63fe2635231a8570cb6fdb215f7c. 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/USA560833549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd1372c02cb21a44766ae76666c52b65d1a7571e6e6b35f06f83c5db002711eb. 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/USA371047451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56b9e37dfd5b072dc5f43d3a8f64c39e537b374d7a96f385ac70822768cf50e7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USSM16501202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56b9e37dfd5b072dc5f43d3a8f64c39e537b374d7a96f385ac70822768cf50e7. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USSM16501202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f7c12b31ee6389bff20ced9669ea77dad6462730b55aec3659579fdb042f634. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USSM10204698.
That'll Flat Git It, Vol. 1 (Rca Victor) Var
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x089a25d3094f6f0eb9dd02c01f8f8dc82cd8be47d8b87b0ab5fc7c4d2b988cae. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/DEC539405710.
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
Rockabilly Love, Vol. 1 - Servant of Love
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4dabf146e03f4d2862bfe4c1eef7ec40e892d9e38d582fc7cad51128ac6d4e1. Chain 2 (Bitcoin): anchored in block 960330 (2026-07-31T00:58:21Z), 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/DEU472220905.