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 0x354db3e0bf3ab03e51e1c2cd23b02aceca116132b2e9cfe2a0a5c605dbd84474. 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/6fae5a58-958a-4ca6-9ac7-86ebb52f014a.json and https://artists.proofprofile.net/proofs/artist/6fae5a58-958a-4ca6-9ac7-86ebb52f014a.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 0x84a663e651a91cf51210eb1cce48e2949e51372646e2ca9e29a1dc9b287d66fe. 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/QZVEM2376072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5695012718044b04a87ca7d491db5ab212b796b72127b55311da73643b2002e. 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/QZVEM2394331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b3ba0a5487662bedb23d056d936f1e3790383ae4ad352e57c526c682bcb40ad. 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/QZPEW2476736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bfa3679ec5a3645529004fb2edd1395e42622a418a1c87dfe8065da86d7ca31. 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/SGB502432496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c88307f1f51f8c2a2df44d696a30e50f5d025b155eb88b646cb74944bf7ebb4. 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/GXBAV2453395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e9746885184020c55091f475181e991efac5146f9bc44c02a2feb10b79b27c2. 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/QZK6Q2394441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacc24d3c7d1024631f00ddc46fb9fbdcbd44ef46beb20e23a82fa1bd88086944. 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/QZMEP2368688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e9746885184020c55091f475181e991efac5146f9bc44c02a2feb10b79b27c2. 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/QZK6Q2394441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacc24d3c7d1024631f00ddc46fb9fbdcbd44ef46beb20e23a82fa1bd88086944. 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/QZMEP2368688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ce4a30965363d134de7c93f8faa9e5137965d13f150bdd7bcdc24cefee9aac4. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/QZW9N2244279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b8d243f744146ffbc2ce5c52421620c25b85e4880c6888699641ce2d5077893. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/QZ5AB2238826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46d4f9a8b179ec8fae2f19dd9f416fd3c588281b4183ed2d2d67a224e024766e. 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/US7VG2204997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60cf741267e497f2e51faa5817cf671f9b746421650c822a877d3b99e701cbd7. 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/QZNJV2169898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x143e3a395a90a7d08faf4a77ea820e95af3e297e550302e5036600e9ee27e8ae. 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/QZAMM2159204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4267e8f1bbe835559707b75c1831c6f010688fa83dcfbd268c9569eb0ba3e73. 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/QZAMM2108229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x778db00f20d4ecd57d08d7f510502047325e170183990b075c322322a44ba6d2. 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/QZAMM2079213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x144747306a9241dfd080a822485c00b207288a366341b70df61108b39ef26d01. 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/QZAMM2036384.
TRUST THE PROCESS - sped up + slowed down
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5695012718044b04a87ca7d491db5ab212b796b72127b55311da73643b2002e. 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/QZVEM2394331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e9b0f6a901b61bc78fbc396827a8878ca4c6ea44924cfd611a36dca198cd574. 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/TLVEM2482983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x703ca4819cd45314b3e6862dfe3a09ccee105dd12f66232a35282e7b37c6bede. 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/TLVEM2482984.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b3ba0a5487662bedb23d056d936f1e3790383ae4ad352e57c526c682bcb40ad. 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/QZPEW2476736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72011bb14c0f4aa0a1761e3bec0b0d501372f741949ec267a44cf9121b67d6a0. 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/TLVEM2456472.