Inger Marie Gundersen (born 13 February 1957) is a Jazz vocalist from Arendal. Biography When Gundersen had been a jazz singer for 25 years, her debut albumet Make This Moment was released in 2004,
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 0xb80c5cbdfbee25d46ed257c11d28b8e29b0e3b253f764cb63a245d002c971cfd. 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/91efeb0d-3209-4a10-aa1d-c3dbb70b9610.json and https://artists.proofprofile.net/proofs/artist/91efeb0d-3209-4a10-aa1d-c3dbb70b9610.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 0x3e3686466d3d15b41639c67d3fe1fdf2bc579f99fa6c1986baa3c8bb8c2d5e9d. 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/NOKXS0402030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16ae8d63bfeb94cc4f74d1655a29a6e7cd98e3d48b79ca1f298cff0dee02d8bc. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/NOKXS0402050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66800bb48afd27258494a17f693a6513cd7e9f999acef8eaae92512136d71b18. Chain 2 (Bitcoin): anchored in block 958401 (2026-07-17T11:10:25Z), 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/NOKXS0402060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcffbac173532b816716acae3bc63c0bb6d5da16150e0fd0a8ee5856891f1a94c. 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/NOKXS0402070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9e279531e33363694bff619558b2a81264e836e1f03f5d34eb0dd7d31cb2427. Chain 2 (Bitcoin): anchored in block 958708 (2026-07-19T09:08:25Z), 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/USA560728310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda72b8503ba83bbc3ced234221472970671c6c6614038dac5a2dcde0c82c4453. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T10:04:40Z), 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/USA560728314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x230f01f5841396fb13c0779df983f9d17383fa525f7353261d1ea8a822873202. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/DKBDB1102201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f6101d8d9b6d9ff34b07a530bf0e9aba9f83c3b066b4cf811c85b74cc3f1ef0. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/DKBDB1102202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e399cd6a4fc672ec9553e427111a909cca7c70eb5c614210f3c46b01575bf36. Chain 2 (Bitcoin): anchored in block 959091 (2026-07-22T02:33:54Z), 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/DKBDB1102205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b259d0eab18bf7e9fc9f45c5f50b89aa2ee1246286257e1d802e859ee67c0ca. 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/DKBDB1801402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0382ec8ed38bf7d759d65d5bd2b2d26040cc8d72ad466ce1f412dad2a0a1b0e5. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/DKBDB1801404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f95b22a1bd151ac7dff15ef40e237697179acaae8b7672f72ebdf15ced39f91. Chain 2 (Bitcoin): anchored in block 958724 (2026-07-19T11:19:01Z), 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/DKBDB1801405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x257c7de9f297a9851dba52eb6c6d75cd2adc7a9eaa385837b6c7d4c41b0f6914. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/DKBDB1801408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f42a9ff1a8aa0d55913200f3a2ee75c56592984861488cc44cd16e546e98b13. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/DKBDB1801410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15bcf683847202523e845905d964c26cb43691b05437abe66df73e5ec4d958cd. Chain 2 (Bitcoin): anchored in block 958714 (2026-07-19T09:51:44Z), 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/DKBDB1801411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec2d06645380b3aa2d6372bbc0ce498aa603ed33dd62774fc6c8ee89bfb04c6c. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/DKBDB2301801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x230f01f5841396fb13c0779df983f9d17383fa525f7353261d1ea8a822873202. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/DKBDB1102201.