The Wood Brothers are an American roots band consisting of brothers Chris (upright bass) and Oliver Wood (acoustic and electric guitars), as well as multi-instrumentalist Jano Rix. Their music is a co
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 0x2b6f5cd847d609056b9c68f1a8d6e533449ef0ce3ed36599afec23a2a5a18c30. 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/16034d82-b03e-440d-9e71-ce44906e3bbe.json and https://artists.proofprofile.net/proofs/artist/16034d82-b03e-440d-9e71-ce44906e3bbe.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 0x47cead46cd42eae6a006bab250709bb8f3d94efe083a50cdd434b7e08aae6a03. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USBN20500462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25a567cc3863494cf078379e97565314fb7034d6b381f934ef134511e6e0aa42. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USBN20500464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43a29835cc08786b0452ec32aeef4d836b81aaa8c2bddf4d373d2b12ba850407. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/USBN20500465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80f496caab4c084afc30603cd926d9650a23f46099a367fb5bd1ab4e417389ca. Chain 2 (Bitcoin): anchored in block 958106 (2026-07-15T05:35:13Z), 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/USBN20800020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6049fe0e6c1b7ac6f79baf29b542bc3d2af8f26ba84d657c8956902f45f6e8cf. 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/USBN20800021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0daeef817e336adf8066381c046c2874cac06667405440bb2a6e4a00cd568e5. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/USBN20800022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdee98203aeed9c2146683e55a13ce8a3bd6b67c33aaff1b6af86ed4e3bae8df9. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USBN20800024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf194ff05f4502eb6fee1d52f3e2ad2c43aa149b830c2ae3e3db79415fee4c0d4. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/USBN20800025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc2bfd6e8db1fa39dd68278e2319db04115abeff8b67ad038beb4fe47d3817a9. Chain 2 (Bitcoin): anchored in block 958617 (2026-07-18T22:07:13Z), 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/USBN20800027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cfe2921ef87793eb34784d74aa3ff3e725bd59cac4cacd7c541bd08ae75ecf3. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/USME30901146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8119d1146cc07c5de93dcfa70098322d19b28e73a65d8b476b28bb2c29b9357e. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T10:56:08Z), 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/USF9R1000002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x475f4af65e70c8aa430eb495e2b64bdaae09255be883bbcb1ecb38bdd70d1cd3. 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/USF9R1000004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95641da8fcc7ee3ea8b4412e3b449fc04a58cf14c5b06b75c196b4af6b1a3658. 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/USF9R1000009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc46cbbaef3d4d757a4cbbfa6dced85f3732731227d14aee87151584036a6ce9. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:15:13Z), 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/USF9R1000010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ee92f67328cc4a99db03c4e5516b5bb928a70db77316ef2fbc4a5fad3e40938. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QMZ6E1100066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x885395a6cc7307a66fceeb222352434a8933dd9916cd621080d7308163355d40. Chain 2 (Bitcoin): anchored in block 958355 (2026-07-17T03:11:50Z), 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/QMZ6E1200086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7476913f060e44eaeb50b12e7e161bb06c407f24088950832afcd11f0e01888. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QMZ6E1300119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fbf0cc732f989e4462b2a06565192735b08fdaea9fc7e871efe7e630492571b. 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/QMZ6E1300122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41eb120a4e2365002d76a0188da1ea96b30e36e4095b8b5d9f7412d05d8f1e9a. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QMZ6E1300123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72eefa907b16864ee53f45123bcb7a3e849d726f416ba34efdd5f56a1f59a136. 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/USCTT1500006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c0070c496ab2fa87d4b27877f43064844fa5a979b31f0e02f5e4d66ffa6053d. 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/USCTT1500009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x170ee3a922c7c8d64b006503e479204fe07fdd2c3e5b1b741987fe1459a2ccba. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T23:49:36Z), 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/USCTT1500012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9acfff8c358ae0a789a4ace1c7b449c4ee4c00d90ff2b57aae4eb662949b5f2. 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/USCTT1500014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5be64994ea4428a19bfcf2e408bf722e88b37fc6f269fd85be29e4c673f6fd22. 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/DER375067803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04ef8044354239d6686db0275a561720ef9434bf3fa3136ced44a985e00288dc. 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/USCTT1600009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bde6d7479db171b6a8e1cbc39fc4a86f9680e2fdc94826e36a257e817aa67d0. 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/USCTT1600011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77199aecfe79f6c91fdce4591d72bd7f0300c7afc32c10ec4fbbcc2d800acb86. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USCTT1600012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd24d4bdd2040383057b47af7a798f09c60652261826df25912444d329d305259. 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/USCTT1600013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47d0c0b4caa2afc4d63873dcc379e6f0aac766351d8046548d3c6d04616ba3dc. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USCTT1600014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb290c38df72b298a6f62731adf544ecf94f2443db7e7291b7bc8e428dc83431. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/USCTT1600015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30007419f85aabfcadc60864fbcd855faca444ce467cb0a4f7ae6e60e4f8990b. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/USCTT1600016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eae4bdb649153007fed5a38bce724715138777e5a418bb48b5055493e9f51cc. Chain 2 (Bitcoin): anchored in block 958720 (2026-07-19T10:53:46Z), 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/USCTT1800001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad351c3da2827e27ad82b43b2db6547770e051f471edef25c910ccf70e561e6c. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-17T02:07:07Z), 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/USCTT1800002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7e20830e131fdca6cac56666da518395a77455b58427d209690fa61f40e3d50. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T23:10:54Z), 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/USCTT1800004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb9651935d1a12d243b65c87f8d5a0458e7e935d4afb194cdcfa6dced21b84d4. 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/USCTT1800005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b31cf30de00b1710cf21e1d0e2e3ce8b1edd2911f7d1b86fe222a0f77a5f3a5. 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/USCTT1800006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ab275fe243f6904c2e5857f27b79b2006b58a6ab510c89287da355c56b8d2ce. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/USCTT1800007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5181f388a729d252ac07121b649cb7de6b3dcbd68cbe6e7121fc35cb2a96b943. 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/USCTT1800009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d9efd8d692d36932546be5bee0d201b0e0cc278b313b2cd02e3f103e015ace0. 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/USCTT1800010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05660b9ff3fc060c5ca6488ee5cdbb35746390120a8b87f1e54341e5e7852805. 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/USCTT1900003.
Happiness Jones/Express Yourself - Live at the Fillmore
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaec7b7b077a974bbf5e6e707877905966059719c82c5701b74eee81d9c1c12f. 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/USCTT1900012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5315ef48bfbd463e0c7817b688e6db3031a103c03c5694856019fe096f2fd49. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USCTT1900019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94645dc930a0d10a0fbc336e9f8e33066cdb8be62fd829e16a39e5ee146aeab1. Chain 2 (Bitcoin): anchored in block 958696 (2026-07-19T07:45:31Z), 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/USCTT1900022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb92524c35e18e13a321d37c1dfee8a41b97e4f87f72cea4b4342a9bab341fb71. Chain 2 (Bitcoin): anchored in block 958617 (2026-07-18T22:07:13Z), 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/USCTT1900023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5339183a2e6a1d9f27380ac102b8081eab5488704bf2580873fecb8c63650b4. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/USCTT1900024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x705a439d99761be5f00ce06ae6842fc4088a53e5de6e44197a2047fcf6bf846b. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/USCTT2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf61e289e4f21c0d78b15725891c7b93ae1dc2ddebfc5b25cc42d35459a8a0e56. Chain 2 (Bitcoin): anchored in block 957801 (2026-07-13T04:17:08Z), 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/USCTT2300007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc468a303a80cd50309a8fa462fe58a215bc8d05c5d549ad8e6980ba0ea940880. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/USCTT2300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x172dc2baad1ad35ab5bdc3740a6c47cfba18151e000acff19de3646aeb55dd86. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/USCTT2300010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f7adb46615c04b6405191e8c8db45ad37713f2e46a15f8c819753ebd8689105. 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/GBBPB1700826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa4d51642a17f4ffbc5406ff38d06b0c75579a8073d0f4dab2d72468cece54a6. 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/DEOV41400997.
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