Auður (Modern Icelandic spelling) or Auðr (Old Icelandic spelling) is an Old Norse-Icelandic female personal name. It also has the variant forms Unnr (Old Icelandic) and Unnur (Modern Icelandic). It i
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 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 0x71e745612c8c48c13c218c6b60b8c445d568a82ddbc7fcba71ccebb9138f36a7. 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/1bc09c32-5332-4915-a81a-d09c6267be64.json and https://artists.proofprofile.net/proofs/artist/1bc09c32-5332-4915-a81a-d09c6267be64.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 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 0xa18b46ecd8a5380d5073f46f2a720ecd07999b91f1b90847fa6dc984764d6251. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/GBKPL1777055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5bda75e5ee8f9c175ea662bf33e00776d430fe3e4b201a15d59270ce086d699. 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/DKADG1800559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1758ce0cc8cb094bbcdf639e41db53975ae12097774b13b5e0fccc8d88fc934c. 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/DKADG1800560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8c54c53d222f79696e3e4d051abc4493e63dc7b7119ae7667291dd8c7b81bb9. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T08:17:14Z), 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/DKADG1800561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50d8ca5bdc5fcd5c903d8f1d42ef4dd8e3f3267b2cf4281ec4f54b0404f3fec0. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/DKADG1800562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ea2d5359cbcf9959f8f23f05f7bc9d9374a6ace9b46a0304126d43f0df05ffa. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/DKADG1800564.
2020 (feat. ClubDub & Valdimar Guðmundsson)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8a333be02967cbfad337fdbf7adf907782923587e76a1601c326da1502b8471. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/DKADG1800565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x348a2dcc9e2714dc3c794a17b7d61a47fdccb4289ca0e6bf0ec1d4cdffb26199. 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/DKADG1800566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe96d726a5f9158a84601e5c4cadd436b11f8e436fa2df31f28e840f24f015210. 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/DKADG2000172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce7ad3ac222323b0b7e416a986ba16353e758ba1f813183841f09eeae038b788. Chain 2 (Bitcoin): anchored in block 959018 (2026-07-21T14:12:28Z), 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/DKADG2000226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6a8ec5737892ce4bb23119ec0f9dd4a78f495d6137a5f30739194269251a4bf. 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/DKADG2000227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffdb5c3855cf2f6754ec52b944c1fa8504c4b46e1f388efeec664c5033d89fc5. 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/DKADG2000471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe0923280e9a659afd81c0d5244a7a5e080ada4deb39bc75f7236db21926f46d. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/QMBZ92347490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc40d0b1cdc35144890fef4420bcf4c41b158eda8ae84f38cef6ba0ad940c713. 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/USA2P2505273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde7107b8630886a256d29f075456fa86033a9000c445b6ea7f443dc9902dc8b3. 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/USA2P2530326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cbee2c2bdeb9c0c6eaa2dcc981a7ba0a4336fe887ac62b0da654377027d2767. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/ISV442532201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff6a0548ec07437cd3ad0166878f10cfa5322d4e526cab86e2d770fae25ce1b1. 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/ISV441731401.