1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xb9efff8c4714a0f3af0f165e0720c023bc752613debf61be438272870e75818e. 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/cf82d07c-34a3-4622-ad45-2eedd89c4b7f.json and https://artists.proofprofile.net/proofs/artist/cf82d07c-34a3-4622-ad45-2eedd89c4b7f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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You Can't Take My Joy Away - Live at the Bailey Cathedral in Detroit, Michigan
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You Don't Have To Leave Here - Live at the Bailey Cathedral in Detroit, Michigan
You Don't Have To Leave Here (Reprise) - Live at the Bailey Cathedral in Detroit, Michigan
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 → block OTSBitcoinBlock must exist at that height 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 0x3e88d502a0edf4ffe570fbd2d1231d8aeafc2e4d8acf9828900b9a5e651a9715. 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/USTCB0995697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6939ec2228771923a20f3d0017bfe3d6afa7c4f9cfb40a922227cac955a1bc7d. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T21:05:52Z), 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/USTCB0995702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0732b378c572139735cbd3b625cadcf13361025f80a38ee238637b7c85ceeb6e. 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/USTCB0995750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc966ff19a24eab9bb5ddb149add41bf82358a530615f02b7b6b473d32ee4fcf. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/USGCR0500067.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x512e65c90998ac0c98be6123ef6fc400817acf26404c6473ed3c3d107d65622a. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T19:43:40Z), 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/USGCR0200063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x489e1735681f00edbc23103b0b9d85e9263895eb6e12abced6037af652df9c7c. 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/US5ED1400084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x459a6b59ece3f530c125316d88a58de5d7083b339c56c91a4e7220ed5773b419. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/USMR52042873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d41fc1858591a3dbefe55d11dddf6e2b2e29719bcc681f70b466d0bc405d3a4. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/USMR52443160.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x957906029e16601b0bf8c5c4030282759d3eefe6d1078f8fa594c8862440086c. 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/USM2C1800405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fbe0dc0d0ddd159aadc19ab5c7a1a43f0765d731730cf204af64fb34a05114d. 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/QZTBE2419161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8edee195c5ca6a4f86a0035b3740c7e359aecefde8ff3067eb801204fcc283ae. 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/US5ED1100080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe5b17e59173715fecdf028a7ffd69e44d5cb1c6fda0621a2f16f0359d2f9e73. 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/USKO11580217.