Katrín Halldóra
type: MusicGroup
popularity: 13
followers: 749
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d9f9b3a651e7b91025f089d32d10e5dbb353d98ed29455f9d4ab51fe8b0e9ca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953770
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953770
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a76e3fc9-44b1-4aa4-8a0f-6c1bdbeb868f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a76e3fc9-44b1-4aa4-8a0f-6c1bdbeb868f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a76e3fc9-44b1-4aa4-8a0f-6c1bdbeb868f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T09:50:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6d9f9b3a651e7b91025f089d32d10e5dbb353d98ed29455f9d4ab51fe8b0e9ca","name":"Katrín Halldóra","registered_at":"2026-06-14T22:10:57Z","symbol":"NIM0591945","token_address":"0xac313b632ed7446cf44a171019082fae91e9cba4","type":"artist","uuid":"a76e3fc9-44b1-4aa4-8a0f-6c1bdbeb868f"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d9f9b3a651e7b91025f089d32d10e5dbb353d98ed29455f9d4ab51fe8b0e9ca. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a76e3fc9-44b1-4aa4-8a0f-6c1bdbeb868f.json and https://artists.proofprofile.net/proofs/artist/a76e3fc9-44b1-4aa4-8a0f-6c1bdbeb868f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0x6d9f9b3a651e7b91025f089d32d10e5dbb353d98ed29455f9d4ab51fe8b0e9ca","name":"Katrín Halldóra","registered_at":"2026-06-14T22:10:57Z","symbol":"NIM0591945","token_address":"0xac313b632ed7446cf44a171019082fae91e9cba4","type":"artist","uuid":"a76e3fc9-44b1-4aa4-8a0f-6c1bdbeb868f"}
album: Allt mitt líf
  type: MusicAlbum
  date published: 2017-08-16
album: Augun þín blá
  type: MusicAlbum
  date published: 2021-10-22
album: Augun þín blá
  type: MusicAlbum
  date published: 2021-10-22
album: Katrín Halldóra syngur lög Jóns Múla
  type: MusicAlbum
  date published: 2021-10-29
  track: Augun þín blá
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183173
    explicit: false
    by artist: Katrín Halldóra
    in album: Katrín Halldóra syngur lög Jóns Múla
      type: MusicAlbum
      date published: 2021-10-29
    isrc code: ISV982189801
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T19:20:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x183d0387119d3f8d888d947d796f514419f86f54bef5e043b26e582e9135c712
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956841
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956841
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ISV982189801
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T22:14:35Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x183d0387119d3f8d888d947d796f514419f86f54bef5e043b26e582e9135c712. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/ISV982189801.
      date published: 2026-07-05T22:14:35Z
    audio: Augun þín blá
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.868
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.528
      additional property: Energy
        type: PropertyValue
        value: 0.306
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.598
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.092
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.392
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.143
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Katrín Halldóra syngur lög Jóns Múla
  type: MusicAlbum
  date published: 2021-10-29
album: Gleðileg jól
  type: MusicAlbum
  date published: 2021-11-26
album: Gleðileg jól
  type: MusicAlbum
  date published: 2021-11-26
album: Tendrun
  type: MusicAlbum
  date published: 2022-12-02
album: Ást fyrir tvo
  type: MusicAlbum
  date published: 2023-05-05
album: Flugvélar
  type: MusicAlbum
  date published: 2023-05-19
album: Ást fyrir tvo
  type: MusicAlbum
  date published: 2023-10-20
  track: Flugvélar
    type: MusicRecording
    duration: PT3M39S
    duration ms: 219985
    explicit: false
    by artist: Katrín Halldóra
    in album: Ást fyrir tvo
      type: MusicAlbum
      date published: 2023-10-20
    isrc code: ISV982344801
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T18:14:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe934a91fd8420e6f4997b9b5d311551680bda2388a580751e3c5f10600d2c283
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958924
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958924
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ISV982344801
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T21:08:53Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe934a91fd8420e6f4997b9b5d311551680bda2388a580751e3c5f10600d2c283. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:08:53Z), 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/ISV982344801.
      date published: 2026-07-20T21:08:53Z
    audio: Flugvélar
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 131.648
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Elska þig
  track: Draumalandið
album: Þín allra bestu jól

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.632

Energy
type: PropertyValue
value: 0.201

Speechiness
type: PropertyValue
value: 0.033

Acousticness
type: PropertyValue
value: 0.845

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.11

Valence (Positivity)
type: PropertyValue
value: 0.348

Loudness (dB)
type: PropertyValue
value: -10.403

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

Elska þig
type: MusicRecording
duration: PT3M33S
duration ms: 213312
explicit: false
by artist: Katrín Halldóra
in album: Ást fyrir tvo
  type: MusicAlbum
  date published: 2023-10-20
isrc code: ISV442312302
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T17:51:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x94907f9adbea9aa52106dbd9f4521c318932e918f91fd8ff659442619803e4a1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959047
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959047
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ISV442312302
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T20:52:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94907f9adbea9aa52106dbd9f4521c318932e918f91fd8ff659442619803e4a1. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T20:52:00Z), 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/ISV442312302.
  date published: 2026-07-21T20:52:00Z
audio: Elska þig
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 77.82
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.644
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.825
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.328
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.586
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Draumalandið
type: MusicRecording
duration: PT3M0S
duration ms: 180504
explicit: false
by artist: Katrín Halldóra
in album: Ást fyrir tvo
  type: MusicAlbum
  date published: 2023-10-20
isrc code: ISV442312304
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T20:13:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x095b563afd03f8e6c12c2e46e0f610eebd59085d6111edf5cc868a4d9ff912e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958931
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958931
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ISV442312304
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T21:15:01Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x095b563afd03f8e6c12c2e46e0f610eebd59085d6111edf5cc868a4d9ff912e6. 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/ISV442312304.
  date published: 2026-07-20T21:15:01Z
audio: Draumalandið
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 80.624
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.331
  additional property: Energy
    type: PropertyValue
    value: 0.217
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.86
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.093
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.099
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Þín allra bestu jól
type: MusicAlbum
date published: 2023-12-04