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 0xbe464e72599ec5e89e72e2025245d03c43b613fd4da97a89d442b85973e3745d. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e9b05e46-9274-487f-985f-863a7afdd5f2.json and https://artists.proofprofile.net/proofs/artist/e9b05e46-9274-487f-985f-863a7afdd5f2.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 0xf9d94d078fae74422af7ed5eb1d867c19ecd9d7602fefabd72862a443dc4f89d. 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/UKLP92200011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x535a98789df32ef7b388956baec5a834307d323e1257b2ca08136912348c8118. 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/UKLP92200007.
Selaocoe: Ibuyile I'Africa / Africa is Back
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70c377752f700f6d3c84d77c0f887c3ebe3c66f234d845ffc2a99f5f8b533a28. 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/GBAYC2200249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46e68c6c15907666a67e11577b5e5d5daa0757f924506dcb47b742dc57863380. 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/GBAYC2200250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc532ff4ae521c47112c1c0767b5f73c5ecd2fd718f5fd48df0d7dc2942c28ae1. 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/GBAYC2200251.
Platti: Cello Sonata No. 7 in D Major, I. 84: I. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4dcb1e57541418d13bcb8f71e7740929797eaa2b7f9d472524beb62d7871389. 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/GBAYC2200252.
Platti: Cello Sonata No. 7 in D Major, I. 84: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eff3fb9d253ea2a4f6ad4155a4e3630d78ed81be964375cd7e137ddf77435a1. 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/GBAYC2200253.
Platti: Cello Sonata No. 7 in D Major, I. 84: III. Largho
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fb4355dd764851d7cf6c7e5a751366d8df7babe4cc5d273f34688398d68920f. 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/GBAYC2200254.
Platti: Cello Sonata No. 7 in D Major, I. 84: IV. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28425e251f6a6be4c7dc519e0b10814f400fea0961910a0256ed8f81c60e030f. 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/GBAYC2200255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b270f7f514fe9855256d76c95f181ddaaab7aabfe33c7390887c7e35f6c7295. 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/GBAYC2200256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68fb5be71fa21f3eaefb1fc065dc4f6049f407a6ed4b311e53930775280389ef. 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/GBAYC2200257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x914dbc884eddf0e102507e8e2d92aa8662e2a7f7b81eb0f4cb2b5935427c7558. 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/GBAYC2200258.
Selaocoe: Ka Bohaleng / On the Sharp Side
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x035c08c44e2a9483554188b23f1481e0049bf83e4509decf227d48a02f8a3ba1. 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/GBAYC2200262.
Bach: Cello Suite No. 3 in C Major, BWV 1009: IV. Sarabande
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x860d45224a02bd95da1d484a00c15cb6bfd2a23239754b6dcdc0ae7ed155e31a. 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/GBCKG2200104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04b720b0eaf366d91e522f563e4e8cfb7d1628a91d38073939115648e715e330. 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/GBCKG2200109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6962468b751ca256ff6b121045717df3612c1ba3b8843bda68fbec1286eb9c4e. 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/GBCKG2200113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4e4c98e20f3f3b97a2320adaaec87f82f5eb4ccbbd460e4a2a77749dd83f3c0. 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/GB5KM2100008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bb4b01b8795f6ec4b21b3c561db72d0a4c6036d0e3f796a8c88263ba8f86e0f. 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/GB5KM1900005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02c4644d50f8668c5cc358f436402c1893debd1b230124878145665a88b2ebf2. 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/GB5KM1900007.
I'm Not Your Teddy Bear (a song for Mayte)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeff64fb3ee583c52bc4a6ffe7088ee624206cacf4113a90a5f313fd35a5e55e. 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/QMB622010603.
Chidinma Okafor: Modern Gospel From West Africa