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 0x9ab22d118328c1f4ced99482b0ae6f8672a1c68496601401be1488e71cdcfc32. 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/cfb7c3db-063a-43a3-9f79-0ed7cfff1bc3.json and https://artists.proofprofile.net/proofs/artist/cfb7c3db-063a-43a3-9f79-0ed7cfff1bc3.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 0x50eaa0884d19c2e26d9a551a57237c93bf315e115e44637c802e4083bb82e6bb. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/USTC00942836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x583cd335fcc6bbf7791443cdddb8a6ab1a93e97337e38a428e00c415d7b5b86b. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), 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/USTC00942841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x712dd30ddb1185e5cfa300b4b3405000b3d07c4ece8c8634da611a4b6b0491a7. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/USSUB0311527.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b0e452ae527c78696c43a955a13f65cd0f4bfe2aa759c799c18e8d349655f75. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T16:31:13Z), 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/USSUB0311528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc59268b92a2c757f3939921d888cb41fd9a56ad925a64754353c8ec30f59e54e. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/USSUB0311529.
House Of Jealous Lovers (UK & Intl comm CD1)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb908c96d8dedb356b08eb0bf4fc810dc1ca03bec33ead8734dcac29c2d33232c. 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/GBF080300284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5973f35773c3bcba498b907419d4432cb0f27c38e3b12bffbd2cadd06b7fb28. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/GBF080300288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0da593094ca30bfb3e3cbae41cb5702e437b19b820e0f88deb2960b07d578e30. 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/GBF080300889.
Love Is All / I Need Your Love (UK comm CD1)
Get Myself Into It (Serge Santiago UK Edit)
Pieces Of The People We Love (International Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21a505fdcf4236fc09e9a0f4dc839f89a48e3760af782e540ce35d34c8117bdb. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/GBUM70601988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec4a96212606fc747e688c6d5c0ffbd33158dc5ad7dd8189f437f853a38e3b5c. Chain 2 (Bitcoin): anchored in block 958510 (2026-07-18T06:38:22Z), 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/GBUM70601985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x297a6020f0c36885fac8fbbb566a0dcf5cacabcf71e3b90189109b7c7d7a587b. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-17T03:30:10Z), 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/GBUM70601860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21a505fdcf4236fc09e9a0f4dc839f89a48e3760af782e540ce35d34c8117bdb. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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/GBUM70601988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec4a96212606fc747e688c6d5c0ffbd33158dc5ad7dd8189f437f853a38e3b5c. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/GBUM70601985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca7bae9dd361ecf0175c847ce95155b0470a9c7b62f96a8502d2ac93f42f19c4. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-17T03:34:32Z), 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/GBUM70601859.
Get Myself Into It (Prince Language Disco Edit)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x297a6020f0c36885fac8fbbb566a0dcf5cacabcf71e3b90189109b7c7d7a587b. 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/GBUM70601860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec4a96212606fc747e688c6d5c0ffbd33158dc5ad7dd8189f437f853a38e3b5c. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T12:38:27Z), 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/GBUM70601985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca7bae9dd361ecf0175c847ce95155b0470a9c7b62f96a8502d2ac93f42f19c4. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/GBUM70601859.
Whoo! Alright - Yeah...Uh Huh (Simian Mobile Disco Remix)
Pieces Of The People We Love (Non EU Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa35f1d44150205c3734b0c9a30ae79892a77f81e862189d32893bd62a88af8b9. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/US4GE1100097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x219074da4706cc412ae15e9d8ee464153fdf51778160b808ee0769dee1c1834f. Chain 2 (Bitcoin): anchored in block 957874 (2026-07-13T15:43:57Z), 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/US4GE1100100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d3b9514ef1df1625707e6c096bfb30c53e636c85874eb86f4a784ec9af82f9d. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/US4GE1100101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e6af83f36eb44cde4a8bdcd793b9f00bc6a673163355e95b4605996d7c7314d. 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/US4GE1100102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbec06db459d94df2f18817cbfd76e10bc043fb78e3c968ca2126f5c9a2961ec2. 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/US4GE1100103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0029dcdff335279d5219c677ab239bdf6a0e3509cac227afc8276aad465165bc. Chain 2 (Bitcoin): anchored in block 957770 (2026-07-12T23:17:00Z), 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/US4GE1100095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0dbbc2f93d2b3de7104a8390c8abdb0eb7faecf39a7cd365dcefcf301a5f4d3. Chain 2 (Bitcoin): anchored in block 958721 (2026-07-19T11:02:33Z), 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/US4GE1100096.
In The Grace Of Your Love (Deluxe Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bb51f97154e9f4b8e83aa17fbab712b924ba3683444c864b592967366faac06. Chain 2 (Bitcoin): anchored in block 958992 (2026-07-21T12:56:34Z), 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/US4GE1100099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9967ad3b20cdf003e7e51b99e52be9034b63636aa8d95e2b98890c96608e58b2. Chain 2 (Bitcoin): anchored in block 958504 (2026-07-18T05:41:32Z), 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/US4GE1100195.
In The Grace Of Your Love (Deluxe Version)
In The Grace Of Your Love - Deluxe Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x297a6020f0c36885fac8fbbb566a0dcf5cacabcf71e3b90189109b7c7d7a587b. 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/GBUM70601860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68d84deeac32dedca29156311c9008c8913b4669968e77089f650a53301ddd8e. 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/DEG931200234.
Lifestyle2 - Dance Grooves Vol 1 (International Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0da593094ca30bfb3e3cbae41cb5702e437b19b820e0f88deb2960b07d578e30. 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/GBF080300889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ac0286ae6f8baedd8d001f2d6d8dc0818cfbea858065c796262246cff107726. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBF080300295.
Beautiful Love:The Indie Love Songs Collection
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2da71a059cb8e46db61f1dba26c77af7cbcc3ba5ca6fd33812ddf74b742314d6. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/GBF080300287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd441cf94d71a3b05195b481c62964f681892ed8dbb6e2ee5d4ebd647175b492f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBUM70601858.
How Deep Is Your Love? - A-Trak Remix - Mixed
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d6ca1f8702073aabfeef6cfd37c6b89df7823bf2b53580bae21e2ba9f1ba6b9. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/US4GE1100155.
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 0x681b6c1d7b72a1b9c924f768ac134e87c5a39a69f7b20a2b83d1f8e64b7f5de1. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBUM70601857.