Marisa Anderson is an American guitarist and composer based in Portland, Oregon. She is primarily known for mixing American primitive guitar with various genres from throughout the United States and t
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf637e35b65aa8ddce99669f0b7df2f39803862c1d6519fa41fc39762517adb6d. 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/c567db5b-4b23-418c-a671-9333ca23231c.json and https://artists.proofprofile.net/proofs/artist/c567db5b-4b23-418c-a671-9333ca23231c.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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae0802311511475f801ebe1e52ed4ce3cff3f1f8da2e253094499cbac9b044cb. 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/USTJ22154201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf196431c9e94873eb7084d54020a0e56ddb7c3b0fbf7c18d42294af501df7610. 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/USTJ22154202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x858c205c5fe1914eb97f6ddf5553a54dd3b863cb8b171d24ad37af626dca8a8a. 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/USTJ21846604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27bccff004ffc150e465ebb8e9aec9770740876630502d798bc909da3496bcf2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USA2P1619693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x706c850c067f29452c025fe849dd373c383a1211b41fdbc1f1b8c1eaafdb66d0. 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/USA2P1619694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x715c70b98c20baa19352cf1dcf4dba98850d1b25761409e70cedb9a496028353. 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/USA2P1619695.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e361bd96689f5d589407d9c95f7c6c5f05da62751f897979e633f2b922b0798. 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/USA2P1619696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3e506cb314ab392354d98e27542c474e37c17312fe1a2dca287a0649ba4b64e. 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/USA2P1619697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d9cb8974b00cff768718a41dbc76d3ffc0d3253c9e75a3372163bd86b3cd9b. 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/USA2P1619698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69a80191af0fcbbfc2757b6e491b7994ea9053c79913ab6ec147f4ca5d39004f. 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/USA2P1619701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47611be9dc0023371ae59fb85cac92ae0c0e19f5ed706aff42d2ec111256de74. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/USA2P1619702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbd34ff35a32d7a0213cd19d10c1c7dca74dddf24df438edc2ca1a99ebd554e2. 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/USQY51432350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd66f49d945401c1bd62e4698942b700ae0673434cece9fb394f7b6db6cae2cfb. 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/USQY51432358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd30c7a879987d2f4652da9e9f218186525c7171656288cb2bad9d6d3834bc5fb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USQY51432362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x466b1aaca110b56d1df4fb0aa69ff0fc8065fd18981dfb18b80e607c0d8f7f29. 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/USVJJ2018901.
The Music of the Future as Played by the Machines of the Past
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23e8b08f6c5d638edfca61a89c0c84e3cfaf51185e3e671b65d3307f8edf00e6. 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/USTJ22461502.
Maples, Ash, and Oaks: Cedars Instrumentals
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a8fb4534bd59d20509d9aef2ec70a070a9da1147537d2f0871a5502092de526. 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/USY6C2135209.
Pedro Y El Lobo Presenta (Live Benefit Compilation)
Nella notte ci guidano le stelle. (Canti per la Resistenza)
Voices from the Siren Nation Vol. 2 - Live at the Wonder Ballroom