Aphyxion was a heavy metal band from Denmark formed in 2007 in Ribe. The group has released three albums: Earth Entangled in 2014, Aftermath in 2016 and Void in 2019. They played at Wacken Open Air in
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 0x5c9286fcaa0eedd19413cdbf394df12f760305b500289c2c38f37bf1e656cde6. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8b4b5cfd-6eba-45f4-b00a-094d782d83f1.json and https://artists.proofprofile.net/proofs/artist/8b4b5cfd-6eba-45f4-b00a-094d782d83f1.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 0x7321dccd04bb98c026f46e8476f5c1339a5a92b3f15b9d825dad95af1e777f18. 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/DK4V61605601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x599e71f0772cdf930489cd631ed076bb3c6c225f31aa1e66fcab904283f3cfb4. Chain 2 (Bitcoin): anchored in block 958051 (2026-07-14T19:14:42Z), 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/DK4V61605602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a4beaf884ead2bb9f7eee3b218bc89a12396b7016d44aa8c6e1c646ca930461. 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/DK4V61605603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cf172f51963b9b9322d4ba85f3da5c8bbd723ce43a208fa43b019c117d1d648. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/DK4V61900601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd344a99b8136d365a47f1fa8b7aa99115e545f53e9da4e61d34a2d7416645c9. 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/DK4V61900603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe66db086fc2a926beddb079879f5ca1ba3d75d437a0453e1239f3f58ac10db14. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/DK4V61900604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1f4a8cfcf6b14777f6f1e1b257305a0f3f84b991ad9884ddd7dcf688448b258. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/DK4V61900605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ba401111852468054594c2ff0347ba92a4e610c3f54ea51cd5480c72cfd2da4. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/DK4V61900607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa22e57c9dfb37948bdd827a4cf8da81606ab7d65a95c09628089d5fd9b34a5e. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:18:22Z), 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/DK4V61900608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73c9aeab13bba194938e6b5ac36cab5abc535eb4e3c8f3bbd47ae5d526ee7958. 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/DK4V61900611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94d221b324cb5a773096c3867c528c2a1dda90f1a873d4804a5095ac9544ef76. 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/DEXO52210373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7784bfce6011fbab22ba9dea5bfc276e9e7fafe5034307be77d54429e5ebdc6e. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/DEXO52210371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0073653f4fb8e1e111b7923187c6e7658d497dd3ca229fdbe298315e0897b6b. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T03:22:28Z), 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/DK4V62200201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94d221b324cb5a773096c3867c528c2a1dda90f1a873d4804a5095ac9544ef76. 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/DEXO52210373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eca006ac80e94c57292a0b350180022bee027dfd86e362fb47b6e77a4985a6f. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T21:40:56Z), 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/DEXO52210369.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd045a3eeeb6cc22bd7e294427d20fbcb20963db707dafc1396eb013f4022099c. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/DEXO52210376.