Windhand is an American stoner metal band formed in Richmond, Virginia, in 2008. Currently signed to Relapse Records, Windhand released their most recent album, Eternal Return, in October 2018. Hist
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 0x0a3167c868093175ae2b258c03094f660a6ad84afb6f370a93a5d42ca4775be4. 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/e8b38070-25d7-4259-862c-5edbd89503ae.json and https://artists.proofprofile.net/proofs/artist/e8b38070-25d7-4259-862c-5edbd89503ae.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Heap Wolves (Practice Space Demo 2009) - Bonus Track
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 0xdc86b01ccafe11e6819ff9918a9dfc451d90a8856109ba29a3c3b805c1c676c3. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T21:49:29Z), 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/US2642252206.
Amaranth (Original Version Remixed) - Bonus Track
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd374c9f46a25312f2121f2aad91c487f7a5967a366015ba6ea7852b15df39207. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T09:01:36Z), 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/US2642252208.
Black Candles (Practice Space Demo 2010) - Bonus Track
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6118cc42c2d5bd21eef99668bd62a7ebb78c4acbf56d70ee3a7235bc7a81fd36. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T07:06:49Z), 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/US2642252209.
Winter Sun (Practice Space Demo 2010) - Bonus Track
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f66b383bb1eefe0c8899877e300285411a0d91a95e7f0addfd3736a54ec748e. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/US2642252210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x230f6c15075887da1cd00335e4beb120449eff05797b4a67fca2298d249c450c. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/US2641530907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41da6cf7bd2c68ef575a4828c3b2d4d9078b0cd8bc70615e52976b5542de01d8. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T16:06:46Z), 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/US2641530909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31ff56aa316c5b1af2cd8ed6c1e63c96b700068d279f6aa0aaf67c81d5fc8af5. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/US2641839202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43dcf1e17f3920e24e972049a904eed878a2bcaa697e6fcd244bc39451a8cfc0. 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/US2641839203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd872bc70f763975cfa40ee7bdb02eecd28b1623e878e8cfd29dfa16a5468a015. 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/US2641839204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x846124c23ebc7d05f544e1167acefdf386f0c8d2928ec7ec18e24103fc92b227. Chain 2 (Bitcoin): anchored in block 959052 (2026-07-21T21:31:39Z), 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/US2641839205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd695758d7cfe8c331be12e2b162ca9bbb0aaf7a4f08f12815827c1834d61bd46. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QMFME2049136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d62bf9a9a5d8c41db43b45015c02ac7d2ad2e96a0a90aa9f5b531cd967644ab. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T02:28:36Z), 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/QMFME2049137.