California Blues is the 14th and last studio album of the band Spirit, due to the death of guitarist/singer/songwriter Randy California one month after its release. Track listing All songs written
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 0x8ba13f48f97e1b1c6f3eeaf228dfd57f38f365a8498a6b66fc7d12fe7251df73. 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/e15105cf-bf38-4c0e-a1ed-36f55d7c577a.json and https://artists.proofprofile.net/proofs/artist/e15105cf-bf38-4c0e-a1ed-36f55d7c577a.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 0xc4409752994713d69c6cadc48413fcff5e2277b5ee93bbe053dc8bcfe49f3be0. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/FR10S1452233.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2210117fa952faf63cf56d8adf69c7165d312d224dfbbff59bb25d5fee6f625. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FR10S1452234.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a2c01157412f4d1d42ee30bdf42124b1598dbdb115894b0b4f89dd879469805. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/FR10S1456243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f5939b8ef81e11ec6faef4ce51c346141d5d1bff11a56d33db984e540639b56. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/FR10S1456245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c972aedab666188e08a6bc3a9fd42a742d3ba3b087e00896e556428e6a2007. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/FR10S1456246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e947e203b88246c3f872ef672d6ac5b34a192c10f0a2fcef55e6e39e00d953f. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/FR10S1456249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x741abd9f08ff0b149671b27b29d37e56342bfe5e6b3f2042709801c0602d5db3. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/FR10S1457577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c683a127226dcf6862ee282c19ab538273a9545abc59230e3629f3ffd310475. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/FR10S1457578.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63a1e58af08b03e5174c4a21967366af2ff30412282fee51758cf57ca699d160. Chain 2 (Bitcoin): anchored in block 957638 (2026-07-12T01:56:41Z), 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/FR10S1457580.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc150f32b49576f46856a45b0f798088c11bbfca52a0545e775aff3d78433f98. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/FR10S1457581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x480ce69eb0008b1f2bdadbaa4486b55957e73ae7c12d0129eddbcabea6dc4bab. 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/FR10S1457582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94286200ac1f4f9c6eca9d7bfc7dd145ea1faaf2b834654cc2dac555a04427db. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:18:32Z), 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/FR2X41443133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51d168628ed0ff9dd255829b7134c1d90cb73c9ee7aec8d4a378fb7c7021d802. Chain 2 (Bitcoin): anchored in block 958558 (2026-07-18T13:44:16Z), 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/FR2X41443134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9273412e5d529f22bd6f53855be5e3839b151a4b71e87ce43825bcd25d85891. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/FR2X41443136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x631a50d97ecf26f63309213ac3eeb78940f0fb73805012a1123cebe3b81fe1b5. 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/FR2X41443142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26d91052d22f6ea97196db39309c20f3a2f73d5c3d5695cd6692d128b708427d. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/FR59R1484292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b86c933b59c945e4be20ddc21596a7dad8b43a16b926646cff8c012b217c90d. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/FR59R1484293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9cb8f79e4206dd9a51f019459ee8e17091a77f854b776794a601788a1cf2cc1. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/FR59R1484299.
Más Unidos Que Nunca (En Vivo Desde el Teatro Legaria)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88e4ca9a9d6e628da4198f6ba4fd9177dab6abd4b735368996861af35efb8b32. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:48:40Z), 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/FRX201522157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe13a38c686826b257412d8a4249ee64c847727b7979e3e22925d9ca243c7e7c. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/FRX201522160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc4f8539a692a575eceeae2fa171fc4719fb112e3e14fe897493bdc8f2d1cc0a. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/FRX201522161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b8309055cbfe2b90bc798c314bee58fabc73d8d099e26a594eb6e9ea9400ab4. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T08:22:33Z), 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/FRX201522163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x124bc3740445109bf6cb82bece04236be0b7b678f51a31178a344f080794c731. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/FRX201522164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbedab0cc6e2d41697db6d0f3b1eefd35a9809b4d9ee8eaf0939c6abbc348a7ed. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:34:53Z), 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/FRX201522166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fc6f7a897b680ee46ecc93702fb86fc59fafde0f616f93c6b9f022753370fba. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/FRX201522167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45749d24fc9ede74ab0b4f560e6c7647a1fba1e3d55388151b02dfb63726933a. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/FRX201522168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceb26c82e43aaf916d91135d8c4c50bf5c28d490481e8e1cf4b2093f6e51cb8a. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/FRX201522169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x554f29c62becf74c0ecd84aad638351dbcb5ec8f35200fde5f14f50b99a08776. 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/FRX201522170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10529c8db155154abbdd1fc770118ce30ca60b50fdd2e82b0cebb9fea342896f. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/FRX201522172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x274a1a4bb615a6200e3e961715b686c269d872ae3bee1f9bcc535847aff09c1e. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T00:32:55Z), 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/FRX871511336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7570b4b5108ffc53a110c0e6615a209863da15eca5279ec593a9761fd283e02a. Chain 2 (Bitcoin): anchored in block 957638 (2026-07-12T01:56:41Z), 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/FRX871511337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaed11255b4bb32efef0e10ccb8ab1edf55a4d709aba767bf6d3ddecf7818bd2e. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/FRX871511338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62903220915101c555e8ef75c73aad98a52b6b62dc6efd0f1b7ac7a67636a72c. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/FRX871511339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc25d70fa1bd880d5a3cd9c11ce9bdbc7f81e5444a182da8d3332afb93a131719. 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/FRX871511341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36085fae818efe6cab26159c300c7245b3f696e21de6405549867d2ec4235d8c. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-21T23:24:28Z), 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/FRX871511342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x318d15b1b511ab628827a74c2d916dddf8f61d7005da2c553a07c7c912bb557f. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:01:15Z), 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/FRX871517256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcae472f6f576098592c91ab2dd47da620635e9a232e5cc12331fe0088835971b. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:52:57Z), 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/FRX871517257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x594c760325460d19ec2c44c0a8a8f73db65f02b936c4c9637416f6a38ba69721. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T06:38:46Z), 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/FRX871517258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x721b6252a85e2d2ca6e7400e01f80f91f0c6220f30764d71625328c0cc66ac6c. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:15:39Z), 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/FRX871517259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x224ef26460f8503a8d22264dccfa7e2f3ef4674c9df10cf5402f5160cd88be3c. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/FRX871517262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6913995307f6b9de19ca4eee34d0db84409ccf4e92fb704669d337a20d8b73ce. Chain 2 (Bitcoin): anchored in block 958392 (2026-07-17T09:46:31Z), 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/FRX871517265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4094317069b3b006e810277f7fd451d579a30379532fcb9b07278940721400d9. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/FRX871517266.
Ebriamente Bohemios (Acústico) [En Vivo]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc289da46533caf7954efbee3f815892e040413b3d06f4cefc9fe0ac4392b896. Chain 2 (Bitcoin): anchored in block 957638 (2026-07-12T01:56:41Z), 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/FR10S2099078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b4919e2290193b0ce02243a668770e2d2de45b4eca034d91c105c3f587e5a75. 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/FR10S2099079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3047a21de514b77cb6af0284aad6d09b476bb14aff489646ae24916bb71083ad. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/FR10S2099082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8325c0f1bc1f1eb09e1dc9334028c4c6ce2d5689fb0f1a3c7f7956aaf7062bc6. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:26:23Z), 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/FR10S2099083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x398db2c9346b394285c17c330e595f7b5a2329f905296fa188f003dc83eac507. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:22:35Z), 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/FR10S2099086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cfd2acf5fe55338f2b958a23024df370045f85fc40d8e085bf1d5df97801150. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/FRX202217677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18274ce3d9f0776c5a254f2cbc7db1e48496d6b9748cfcca657e4ddaead0cd38. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/FRX871514821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5da5be02bc7fa54e4895ef283b0f9a4e59e6cb23d31bccaab8ca63bceacb2cf8. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/FRX871510751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d1be57c9543f67cd620533bfc48ab92dc60e70459bce79754421b468dbeaeb7. 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/FR10S1457708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3536d98975d28f9f4d922610cb2e1c176c49ffb172627d4a89b558877d14d397. 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/FR2X41442664.
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