Hope Sandoval (born June 24, 1966) is an American singer, songwriter, and the lead singer of Mazzy Star and Hope Sandoval & the Warm Inventions. She has collaborated with other artists, including the
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 0x62cf6f189484b8a67af8220ce42cee3d4fa4756b27109b36f900bc9c984a4698. 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/ca87a9ed-d7a3-47dd-ac58-6b2651d57e76.json and https://artists.proofprofile.net/proofs/artist/ca87a9ed-d7a3-47dd-ac58-6b2651d57e76.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 0xf8276642574dd284f02d31286fa015d2d06359cd05196ca643cf9313f91d9a61. 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/GBAAA0900963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x320f9a60aa9729e3512cf9b73c34db21c1e449aa14e01e9c476b978aaf893878. 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/GBAAA0900978.
Glen Campbell Duets: Ghost On The Canvas Sessions
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b5dacf2e246f8e4f9ecf535c0f40a025412744520255428a4b0ed63f4cb8844. 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/USSFR2411017.
Paradise Circus - Breakage's Tight Rope Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeccac14ca81a42faa9704f9cf0fa646f1191b238697b0d08ebc5267190d362ab. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBAAA0900980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8276642574dd284f02d31286fa015d2d06359cd05196ca643cf9313f91d9a61. 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/GBAAA0900963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x349ddc80aa3f17913a991a36547492fb49546fd10d73ce982dbb398a15515277. 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/USA2P1382440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8276642574dd284f02d31286fa015d2d06359cd05196ca643cf9313f91d9a61. 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/GBAAA0900963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8276642574dd284f02d31286fa015d2d06359cd05196ca643cf9313f91d9a61. 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/GBAAA0900963.
Fascinating Rhythms (Sound Systems & Dancefloor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8276642574dd284f02d31286fa015d2d06359cd05196ca643cf9313f91d9a61. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-21T16:11:40Z), 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/GBAAA0900963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeccac14ca81a42faa9704f9cf0fa646f1191b238697b0d08ebc5267190d362ab. 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/GBAAA0900980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8276642574dd284f02d31286fa015d2d06359cd05196ca643cf9313f91d9a61. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/GBAAA0900963.