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 0xef93e95e9c04d78466fbf77a92721cd658d72882319480d29d0f00d0b4f77624. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1a8f3f4d-92c7-44f5-8b3b-a001be5143e7.json and https://artists.proofprofile.net/proofs/artist/1a8f3f4d-92c7-44f5-8b3b-a001be5143e7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Blind Pig Records: 40th Anniversary Collection
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 0x69175b7a1d972818869d5e9dcf4e8d6b907f03d9b8fbc51c8141c99f3e19cb70. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USBP10305411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb152dc7cc02bb29ddd75a0c79c367783d1bd1b489dd5cd0f37c2fa8a6a9c3549. 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/USBP11516601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f447c62d344ab08e7a2fb05f75d5638efa74b3115b2f19050dbd2238ca4ed1b. 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/USBP11001108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad01c88f6bcc15622b7e03364720dd18206a110c41b34a63f51220a75a1e149. 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/USBP10711109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ba2a8d3d9686321ff2d456548a17896450b6181e39e00a7e4733b12f03fa12c. 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/USBP11214801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf27b60edabcbf63459313d6476cb807b8834e2c94478047a264b848677383365. 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/USBP10306107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29ee0385d815ece1fa516f4be33cf892c8bdbe438a45aa6b493881b5b4c2860b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USBP10372209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed0dea8368b41de35f23f632524461ed9112e617f972878752d10eebedea9cfd. 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/USBP11516303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86d4b44f47f6fb10e78e04d01dff2d491074f3702983a502d0c12612c83aa2b8. 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/QM6N21720127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf94095c015fbfcd1fe7cfe45724a28b169a441da32b45a0b7c1a9fc9405ad664. 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/USBP11013709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe5d218cf8ff54e169cee7b68ddbcee3f0f0c72e7d2d25c408f7649dee82caf4. 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/USBP11415807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f60d47bd46848d760bc2ca3b424dd88ab61c9e8b9408211d9a540f14e65fd0e. 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/USBP10301609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4791c8256bfedd938627e29bd21558a5fa78465ac5a1afb174a1b722f0492783. 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/USBP11516801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x094221b85c276f40d62e689cea537e689e15bb080390ec4ed88b119eeda03d69. 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/USBP11315201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe135fe180cd5cc182c4356bd97dc0bedfccee81993d5a460216f2c23464a195d. 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/USBP10373303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a54941ae87991478f373c4830767231940a7774ca3b470bdef8fce213a9e902. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USBP10300509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83539c02243b54b2e742234a623216875702105621dd4c94185f14f03c1d4711. 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/USBP11416004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ed9c2dd87e0bbc01b2298a468275fe214a1f2b00dc8a25d39dce2d8c70a1b13. 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/USBP10305111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6c4249d581ba1bd818698003e9436c3c15bd757f81e83c1c88de4e064fefb94. 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/USDY41747683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88ebbdc89ba217a71d1656bccb335e090e0f026f9053985ff6e240dc16d5242e. 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/USDY41747692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6032b782e060329b6cd64cf44c9350d8432af4206d0fa24cd483d634beadb971. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USDY41747693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6338f7ea17c3bc7004b69392e78fa8e7867a215f75d05b9a1935ca618f9d6e5e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USDY41747694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77553f9df00e549ea55fb2ca2059924f981004fe49d3a31c5c94cd978866b812. 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/USDY41747686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbada20504030563b81137588c31462051fd9da6de052935fdcc065b9e325ecb9. 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/USDY41747689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab245db5fc255f4073b7ade73e0a4c2360cdbf9b1986ec334a97744ac17ee98d. 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/USDY41747691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa41e57a21d9a50fbd68e2efa682b0e6e7a2b515605a7c2a890ffca81beca9ff4. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/USDY41747684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09a997e56ca74e6c3e68ea15244e3ceea3c65314aa58b991a862fc851c993fc4. Chain 2 (Bitcoin): anchored in block 960306 (2026-07-30T20:23:53Z), 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/USDY41747685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2405b5801ffea2e2b2c1b7afa5df0532a792a10e2409ac286dc3222f24071119. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/USDY41747695.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4dda79c80651c91b867d96a890e20397bfced9e0bcf3bbd54efb7aeee90b6bb. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), 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/USDY41747687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x172911be1ece27289c697d9cda3977606cd778292428db6f54f0403e589359d0. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/USDY41747688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9e998538a32a6875e83a06377e16af1ef12ec6d60d474be1dd8817969241cd0. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/USDY41747690.
Hubert Sumlin, Rod Piazza & The Mighty Flyers (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85f58fce0e5cecab41b196649996f2e8443925c8dc2a7991d5ca3825fa39188f. 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/USBP10408801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7746e3d3d756e767816ef44a5065c956b3ee2110683351596a5ae51a524f940a. 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/USBP10408808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1eff60d12007ab390537a149411e43af74db751fa54cb36c118a7709797ee7d. Chain 2 (Bitcoin): anchored in block 960487 (2026-08-01T00:15:43Z), 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/USBP10408802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12c7afb0829d701dc471f3de46a6b2dce46c703c11e8ce99db528654ba44016b. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/USBP10408803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa775e3bf04638ef7a600c4cbc5017aaff291cd1adb2eac95f6d2d89a261d4bb. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/USBP10408804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7163bb50f4e637c472a7e26213da60ba5da7e897ec524ef7671c9aea6168b20. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USBP10408805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83607f6754cfdaa4f8ab4a0397fbee5ef95ea0071211f36d837f842860a36e45. 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/USBP10408807.
West Coast Midnight Blues - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5dab8cb9e13c0472a4ffc35f38d6652c82bb1fe98040d93bae0e7c9b8d5ab76. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/USBP10408810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3c7a2c8547cd41a1417e9ec1337452a60438a8d403baba2a62e7caa7c0dcb56. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/USBP10408811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37ce758ac766c114229a1d4b55f9ba5b23575f931236827f20c727f18417b77c. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/USBP10408813.