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 0x4c339b96296b51086b02127025d85490196a5c70ba3aa9d021ceab0a7b8a6469. 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/0ec308ab-cce8-4450-9079-76492e2a0d61.json and https://artists.proofprofile.net/proofs/artist/0ec308ab-cce8-4450-9079-76492e2a0d61.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 0x595c92c97878ebe4f233dae7cfb08f8211435c93c03dc01f54d4a7575b91f168. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/GBJCN1003206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b44f77b1e028dd01ff2471858ad828875acbc37ff046ecbe94d0aeb1d91dc73. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/GBJCN1003207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2d02c7d3a9a6d0a679678fe990f163f8f4bceab3d281c2b8a0f0312bad6a68b. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/GBJCN1003208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb3eca29cab87a8ef594135cd12c188d86e68cd954fa26f43e68284fc56c01eb. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/GBJCN1003209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6ec4830f7e1aae4c1122d24c401ccf7497d71cff1282f1b803964b4b99ee2fb. 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/GBJCN1003210.
Crazy in Love REMIXES (Remix Competition Winners)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf80f224a892dd3ae510b570565a00c466f17210f9961962b682b02d81bf7ab6f. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/GBJCN1204401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc93d91b672516d34528e614b670c2f2ec38a6af91eadccc9584816a31b0e52c5. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBJCN1204402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cbabd6343adbbe787be84f58a2463ea5551a69649807ff04b790d5623b2586a. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/GBJCN1204403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94ee445e7dea3fc7eba1fa36429aa7d8f6baf948dd4c2e445579ad34bb8e0b84. 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/GBJCN1204404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72b2bbefd1dde3c608565544d5b28c1099e9d4be5a595b570b99371e48f79c34. 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/GBJCN1204405.
Crazy in Love - Original 'Electro Swing' Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cabe20430b8117793ce8bac0b0cbdf5282b2e6ab17dd1913e438229451feee1. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/GBJCN1204201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbddd845a73cd90046d55e53fd9b6bd22fb6d47c782d87cc2ddab65c9044a34fc. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/GBJCN1204802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3f629903fbbf82cee63f440861bf6851b0d5cd741487239e28599c334056b02. 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/GBJCN1204806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaec31faa054132e37eb5245dfdca20c0a699f9c04a481c8378b7646adbd45501. Chain 2 (Bitcoin): anchored in block 957805 (2026-07-13T04:34:37Z), 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/GBJCN1204807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3760804065dfe8c6cf7c0330abad63d156d998cf95c342d203714d8c3814f3f. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/GBJCN1204808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b0b907624d150d5b94479135a37dcb79c2159437499c3eb94fc84579f09f80a. 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/GBJCN1204809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1da0c76d2f6a52825242ecd75622bf517328d1a870c83f2b55d20d97e9136de2. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/GBJCN1305202.
Electro Swing Republic EP (The Return of...)
Electro Swing Republic (The Return of...)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb2ccf6ef1567111adc70099f376353d387a757f4e5239087c863042e5f219d. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/GBJCN1406504.
Mo' Electro Swing Republic - Let's Misbehave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64da995d9fdf1e4ebee59936c2408a00a8acd1b4d4d202fddf71898c41479837. 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/GBJCN1507503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4d6e27bba4be24e7c886be69ad5ed086d5dc2a2098daa929df6e7c9847268d. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/GBJCN1506604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14645b9bff0e5f7073d41901bdc3d47195d7bf61ae698e47a74840810941d805. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T08:17:14Z), 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/GBJCN1506607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7abba5ea067eb5a049f145311df2a09d58e40b41a3af8163e5631131be1a0332. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/GBJCN1506609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f7591775cae5c315bff8c5833f5786e78554d3d6e075a5b6325b7f501bb550e. 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/GBJCN1506610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf04712c0db9b81175f69366a053b89150f062ed0c9f01b1c325f72e9b9fbf26. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/GBJCN1710701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa748b8f2b3115c47ddaa775ee509b15781816a0b165ae65a51fdd1d0e820decf. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/GBJCN1710703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4daada98149af4a0ead33dc69efdff7fca28b1499f5fb8a8f22ecc8737a065d4. Chain 2 (Bitcoin): anchored in block 958122 (2026-07-15T08:02:29Z), 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/GBJCN1810904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52946765b0909ea7436ed26da334dde26e0a5596721af98eead78e8517bf24b9. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/GBJCN1813002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8111848a3c2d9a929911e40b9f17ff8793f9a4582116c7d3d99f897986c0c78. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/GBJCN1003212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9996341f039df3cafa23f3a80e243e95c991b2006bd969a2ba737ee310dac5df. 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/GBJCN2225201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7068e983ed89c722ca61ca5676293b2d31f4938d06c521754f952056c1ebda3f. 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/GBJCN2433701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61bfd494ba7aa083cdce1edc4c0981cd04d538e9289fec1775fc2c5f13e77b35. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/GBJCN2433801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7068e983ed89c722ca61ca5676293b2d31f4938d06c521754f952056c1ebda3f. 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/GBJCN2433701.
Electro Swing 8 by Bart&Baker: The Best Electronic Jazz Swing Music Selection (with Jazz Radio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4d6e27bba4be24e7c886be69ad5ed086d5dc2a2098daa929df6e7c9847268d. Chain 2 (Bitcoin): anchored in block 960225 (2026-07-30T08:04:30Z), 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/GBJCN1506604.
Electro Swing Party Vol. 4 by Bart & Baker : The Cover Session
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cabe20430b8117793ce8bac0b0cbdf5282b2e6ab17dd1913e438229451feee1. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GBJCN1204201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x163ea6f831a8cd7925fe4362e07f888da4ced2df2930a9519ff7e3c26f63fa37. 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/GBJCN1506603.