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 0x8bdef4bc5ccb22487e41047b54545ceff2f003cdb5f678bcee43997d15d6f041. 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/dc01171f-2ed3-4fbc-a0c0-37512547ad1a.json and https://artists.proofprofile.net/proofs/artist/dc01171f-2ed3-4fbc-a0c0-37512547ad1a.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 0x304298ab7713847d644fe777590cc622fece371783769f187109155b7fc1bb7e. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/TCACY1719476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x871747e06e2cf089abf909c8fae1e2877ca3ef9df9c416c27b7ccdcba9651812. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:46:23Z), 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/TCACY1719479.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1565ed66150cc283224c671ede7216bdf3d584b2dee7aa5883504038ef9a251. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/TCAEC1948241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec690605af8d2a135c72026781969ce4309ed0a22aef6db3deb71b65f5af75b7. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/TCAEC1948262.
The Throne Room (Revelation 4) [Instrumental]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0872e2059e703b18f2682eafa4dde04349b327a373aa8b59edd80bdd544f5b93. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T16:21:50Z), 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/TCAEC1948270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x459ca5fd5632050bd3e678b396d310d920d459deeace5eb4b9d4dbeb56bf54e5. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/TCAEC1948308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05ab2e86f9cfc37be74b35ee328d7af2640d56c9bbe1671898e5a6c0e9f4c352. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/TCAFA2061776.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37618b4ce22120c92df908cbfec4ccd495c0c495cac035c9f95d68146a15ce93. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/TCAFU2161409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86e047ab9a2a802f5f0427fc4b8415f6844ac4ab08ff7a0e90cf5b836a25dbb1. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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/TCAHD2333937.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb09943a178e5d3117563b1536c0b85cf478d707e6634dc2977ed86a0707629ba. 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/TCAHD2341787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2af75d4d2c2d0d5cefcedf9f67d2bfa852e401e0c413bf24a55a922c4c69a7a6. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/TCAHD2341829.
The Family of Abraham (Acoustic Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1d7fbf309674c33e1169997f73b972784d62e5486c11032f80d0d8b12630277. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/TCAHS2302510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc06adb9c10c95c7f2f0770f2d2886bcddb73770d9ebc8a55d4ae313dd49b5362. Chain 2 (Bitcoin): anchored in block 958116 (2026-07-15T10:05:37Z), 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/TCAIW2469971.