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 0x9dd364327701763d874679f213d63af1109cb08a5dd830d33af4a59495a340c4. 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/262f0468-705e-4756-a39d-ed579e7e05a0.json and https://artists.proofprofile.net/proofs/artist/262f0468-705e-4756-a39d-ed579e7e05a0.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 0xdc414bc8387d5e76e36a7083019187fccb69f65d1569f7d09bb2b04b9fc4829f. 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/AUBEC2447610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe70d5aa8c55f41afefe0a9b034baddbd954d722fd80eb621a5536d7e0b3efcc1. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/AUBEC2447614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a092c0fcffab4542b631202d1cd4783604be5ed5e02e1c7c5af3f2db376f776. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/AUBEC2447621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc21d5cb3c329f61d36dd0eceaf7109b90354679e24297384730967804b4b133c. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GX89G2444071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf06c35e4e86d84c0bcfa23bcbc003ff3c16028988f1824b992a81bcadb124583. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/AUBEC2323781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe12cfd062c6c0b9ca4b93e2ffb9c6bbe683dba6c7ce52c53dbcd671f9d9a117c. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/AUBEC2323782.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0929d1b214ef75eb9406b48738c380bcc594ff9adc1a7a5d6b54446383abfe4b. 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/INF252300089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb56be976dffbb62a35092cb878a3899ae9708cc9eba4e4a5dc29f1a33e0c5e. 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/INF252300092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf107c0ab23dd954217c7a3bfff8a7647eb0aca92c68d89c98e99340025eca12a. 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/AUBEC2323768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc15c78d43568c4fc737ff3b34e406aa0b3dfd8a705feb5c6102c0c4c922162fe. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/AUBEC2323770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48bd6360304d0f2672666a025b71b3c63684c7831fdf3aeb0f56ac9b2bd84aa7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/AUBEC2323772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x458cee412edcf4eca6adf66346fbd673eee0abd9def55d84fa4e947a42b401d4. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/GBLFP2248889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7252c183f4d6fc535dbc5b1fdfa138f09f9b9f8cd47419bfcbcb441eb1e78776. 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/GBLFP2248890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e1b0a376f9c7f69d24636cabb2473324c1b1d5320b3c586fc983958653dbcc9. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBLFP2248895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7d928816d98610df1b2eceedb00deae40897f330200395ce5d71cdedbcf53fb. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/GBLFP2248897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37e73b2e0c4250fd24e9c7614fc031c267620ebb9718ecc684a4ab27b23e7079. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/GBLFP2248898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e8297cd60f2cfe4d57991e99f9ed07487a356e290266e05a6458adc2c5c5da0. 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/GBLFP2248899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23200efab876c1d4eb123307005f86cf401a967984a99fc741099430c1e52964. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/GBLFP2248900.
THE CHILL SESSIONS 10 : RADIOACTIVE THUNDER
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e528027953f2eaf5a64064aa316dbc562a037207f3a53826cf354eb275d60c5. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/GBLFP2248813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad1c012abcbf9356f219718280134a876a7696e1804d12eb09a1c60052edad0c. 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/GBLFP2248826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d13745e7b0d1b915c541cae5c48c3622536d46e9534d2d7aa7371395040807c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBLFP2248205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeda06986644e51d644910cca5c8ef4f3ad6b110a1b32249519435005d4833490. 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/GBLFP2248207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6071a68ade8eef53c05aa20937e32aa6a49bd95d08fac5e3c5697059f8472b85. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/GBLFP2248218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa72b5bf0e6e2a214667240222ecfc6d065d9c270c3092cc2e6e080e6c259ab0. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/QZP7F2290073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d837523719f38658561a0b84704bb0416a414d6c5ec002e7ff666db4c211202. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/QZP7F2290074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c2e2461ac6dd08fc34ce451eef0a0fdf736bb9158041256e86888455fdf1526. 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/QZP7F2290076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bc9a7b1bdb54ef5faf14db51c563c38d3a72b25e2f3683860bc7a12890cf135. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZP7F2290077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48427db14e595d29e06a5654234bc3c73ce0e5a2c43f557cc0474728d861486e. 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/QZP7F2290078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf928a679c3b1ac2e004e446ba460e2ff68568cf5533d8e1e91f696b4dd5c015c. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/QZP7F2290079.
THE CHILL SESSIONS 7 : CAN YOU BE MINE FOREVER
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70cdebd85350d747d11390d483bfec4b838cd020a1042d135288b02d8c61145f. 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/QZP7F2290067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81ba674660ecb511f85e06cec2aae5a5c8979c46326fba2b8417023c3df3b057. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZP7F2290068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5fdd2ceb99c287f84628f6b5d34e989a50bb03aee10fae99e36c2f1f715c70e. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/QZP7F2290069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0ddb0ff415eced8715f7e6d2182cbb940d73cc4378aca8822e174d189fe8d44. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/QZP7F2290072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8547c8fb80e49f2c7b6851bf890f218b1b20a57fd9e820688e51b91a592bf56. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/CBC6H2001058.
THE VIP COVER SESSIONS 3 : WE ARE TOGETHER
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2550faf38fba2022b115726d66d35efc370efb4dfe3ce9c71d6764d1c274434. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBLFP2246983.
THE CHILL COVER SESSIONS 5 : HEAD OVER HEELS
THE CHILL SESSIONS 4 : APPLE OF ONE'S EYES
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87cc9953b72844f7247c78dec9dd3d6e893f73700bf6710f05df21e97bc477a5. 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/QZN882247652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ae20db3fadcc7a3af726a65cb4b1e4f63354c7254a51f82240b4f43c498a9f. 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/QZN882247653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dcbfd95c1f78cfda1f86ced2b8e24f775c9f51d9ed4290c988e02408eb040e4. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/QM42K1930775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5746bae523624ee0be3d02c248d9bc784db7e7bb2e619632d436ed876fe9da3f. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/USA2P2441357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bbe711df1d9a7b90bac1e70d2aef8a1f105c04897531106dc753ae687c43963. 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/AUBEC2452419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5a2223c8fe037d898c3b26551aa6e7c02039d9737e263041f2a971cafabdeaf. 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/USA2P2222664.