Hunter Brothers is a Canadian country music group from Shaunavon, Saskatchewan, composed of brothers Luke, J.J., Ty, Brock, and Dusty Hunter. They signed with Open Road Recordings and released their d
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 0x71013043b4791603e4b6585713253d7afd3b7caac521b4ac150925f975458233. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a45d222b-45c2-4852-b6cf-5eea35437be9.json and https://artists.proofprofile.net/proofs/artist/a45d222b-45c2-4852-b6cf-5eea35437be9.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 0xc32360262f71f8a00cb2891cdf175847dccbebb07220a2abfbf1d4af17bcb4ea. 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/CAUX91500014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89f388446990677a76e6e20c405a8a6e3c695c2022d5167d7bcd172bd396edc1. 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/CAUX91500017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4020e04c91c8de94113109f3b6df09d2e6a2fdbbb37d00ab96117a63b54fcc90. 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/CAUX91500013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x270ad7f6b650855e5f096ed45d6570ad5113f80c55361fae5b0d3339c9e08cc1. 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/CAUX91500015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb169ed74ded2a357daa2e19f22612892fac5c1dc3b5ce02ef1252c6663008ea. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/CAUX91500016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x312556a37bccff3273196ebe4e1831f6becf66998e7ea1bea920fa7da503814f. Chain 2 (Bitcoin): anchored in block 958678 (2026-07-19T05:59:57Z), 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/CAUX91500018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00e2369cd0555ed39a42c0c9af39c78d91b9b20f3e82d347c0d29dc9fc63cc6b. 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/CAUX91500020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x985004e618e61e0385ae170d4a70975986f0e33458f7779a66296a66aa568ae7. 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/CAUX91800002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c887a42617938d4325b6fcfbf11eb1c643cc3aa4f8e9da81d1b918ec6467636. 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/CAUX91901004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x122e132ff3c1e7f8434a5b07d7e7a62d93895fee54bd8e710fbcf091a2cc9e02. 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/CAUX91901011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x390bd27d20aa995338bb86c3ffab3593a268fa6aa66684d987a7fe4fd3789e77. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:03:10Z), 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/CAUX91901005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8b7903f0eb54ef0014b2ef13a2d6bdd4e5a2bd48ad311c2ab2f5145e4210a8c. 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/CAUX91901009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd03753464a857a48f3f6b972cf926a169be23286b92fc5ae637b8e80f82d5ea0. 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/CAUX91901001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e7678d6e752b0d7d7dc0c241fe44a1674f75eae2d859602b69640e16d05ee6b. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T08:37:24Z), 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/CAUX92100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca5fe9b1a65e164197eff11b6e99b1b86336f2950b1f19fea21803b66ffbfd6a. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T04:08:32Z), 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/CAUX92100004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce5a8b5ecb4901134073024a20b18f081b41aa92c9b1686f341c8a95e53b1c62. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/CAUX92100005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c1bd803523422a0327ceb6ada7a82ea321cb50d11b8e2c7df7fb3c9ffba88e0. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/CAUX92000009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1b12b6263b412258e013f14518b28b9bd66cc87868b333cb75a6772c232f402. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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/CAUX92100015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd82d266042edd1a80eb033df68438669be8a22b2dc8c2a01d7cb04e2c437a410. 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/CAUX92200020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff572916148de53b769d9676b09d7ebd4dbd638f0aded5ebccdb4a61bb174139. Chain 2 (Bitcoin): anchored in block 958117 (2026-07-15T10:21:47Z), 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/CAUX92200021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a6a737f41c3605b81c6f858b8b71cb2c86ff90eff0cb792e6cd89b407009a79. 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/CAUX92200022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe247478dd5bdde4f136b09832f9451f3db65009431d574f64ed2cd93297b00f2. 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/CAUX92300005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b5f9eb41e817912eccabde5a142907b6fac3ee9d5050b09e250fbd73e037ac7. 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/CAUX92300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c82cfb2783d3aba1cc02362e946fd786c25e71928999c5ca9efa31938e9e4b9. 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/CAUX92200023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd709254f53f4092e73ce18bdc13e38d67cdf3541bde4aace5071e64cb88ffdc9. 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/CAUX92300006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89d0511613068a40cabd465eaaaa84db7a8a16ecf13937591a469254e7ed4231. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/CAUX92300007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1001bd2ab772237717f6143edbfe9b845a4aa6eb178593e95ee4e7bc12c21d22. 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/CAUX92300004.
Mary Did You Know (feat. Hunter Brothers)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad3d95013ff7656df739fc0a885ad91215115c47e547f19a23811339da3c5fd. 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/CA74P1800024.