Crosby, Stills & Nash (CSN) was a folk rock supergroup composed of the American singer-songwriters David Crosby (formerly of the Byrds) and Stephen Stills (formerly of Buffalo Springfield) and the Eng
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 0x8da5ab9ec7dc37a376d8c9fe43414d3dbbb3020c52cfe68b0aa1c1f34a30e1ac. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a537d51a-c2a1-4aa1-93e5-2d7d59e2b957.json and https://artists.proofprofile.net/proofs/artist/a537d51a-c2a1-4aa1-93e5-2d7d59e2b957.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Live: Lakehurst, New York City, June 1970
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 0xc1221589e56589702ce5a26ae72ae70c22215b84fd3de93922d31bf8d8803451. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/USRH12101492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x753dfc52359c984ef17cbfa713cc8571cf853e2084d8e9f278a1c43644cfe896. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USRH12002903.
Déjà Vu (50th Anniversary Deluxe Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24433c66003ee0394b17c6d5ff53509df00b8e730982822b4a4d4c38b767d74e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USRH12002927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ae2c795b6d11322965cff0077b9da1ea8961b516b2ad0afb259725002fa6627. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USRH12002912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4dd110d91ace8ca21fec7519ca11a243cbd233cd0504c3838f3b6ba2f9c1bd5. 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/USAT20901916.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b4d1b8b441b5bfec50244a1e14998ded6be31ca3ed2d3d1c77ef357f4a40ac2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USRE19901079.
Live At Roosevelt Raceway, Long Island, NY, Usa, Sep 8Th 1974 (Remastered)
ライヴ・イン・ニューヨーク1974 ~キング・ビスケット・フラワー・アワー Vol.1~ (Live)
Bill Graham Memorial, San Francisco, November 3rd, 1991 (Remastered, Live On Broadcasting)
Fillmore East, New York, June 6th, 1970 (Remastered, Live On Broadcasting)
Legendary FM Broadcasts - Roosevely Raceway, NY 8th September 1974
Live Broadcast - 8th September 1974 Roosevelt Raceway, NY
The Eagle Flies (Golden Gate Park '91 Classic FM broadcast Remastered)
Helplessly Hoping (Live at Fillmore East, 1969) [2024 Mix]
Selections from Live at Fillmore East, 1969 (2024 Mix)
Bluebird Revisited (Live at Fillmore East, 1969) - 2024 Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x009bf4ffd5804add8bb767e8fa2adb8ba2fccefe5fd0c004437a5e88043bb3de. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USRH12401740.
Find the Cost of Freedom (Live at Fillmore East, 1969) - 2024 Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe86fde029a6a1126454d1305189464e4faf2de5c9dbef91fbe56f9146ad36868. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USRH12401743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0bfdf6420a9c0b55ca37279a6be4dd9701a4c0caceedf4927a5d9e67d45f9cc. 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/USAT29901705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c5070b2a15aac2c67905bf1e9dc1ff0548e7f170d4d039f86ec605ddfe165d0. 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/USAT29901700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a4d37b7b1ab805bc53558715c79b0f8598da25e26e31f36693a12d5e6c7d3b9. 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/USAT29901699.
Neil Young Archives Vol. II (1972 - 1976)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82a9f68a51438cc4e89ca402540a2b56dc1a1fceababb7585b4cc6a93f491596. 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/USRE12000185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08628b265774ff66f608e6924f13305cbde394065c3380e39b643b3fa3694e41. 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/USRE11700212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x165c60f040eb562de322f2c0d4a44be1a20bf805891b2b3c88a6ac920c363c71. 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/USRE11700213.