Gunnar Gunnarsson
type: MusicGroup
description: thumb|Gunnar Gunnarsson thumb|Gunnar Gunnarsson's house named Skriðuklaustur. thumb|Skriðuklaustur. Gunnar Gunnarsson (18 May 1889 – 21 November 1975) was an Icelandic author who wrote mainly in Danis
popularity: 12
followers: 855
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xddf419f5f48107397033e2ca3a7dbc92bde2b0d92d763e7b74f59f4fdfa71823
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953791
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953791
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd7de84d-a844-4cc3-a15e-ef7d843d0c78.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd7de84d-a844-4cc3-a15e-ef7d843d0c78.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dd7de84d-a844-4cc3-a15e-ef7d843d0c78
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T13:40:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xddf419f5f48107397033e2ca3a7dbc92bde2b0d92d763e7b74f59f4fdfa71823","name":"Gunnar Gunnarsson","registered_at":"2026-06-15T03:41:49Z","symbol":"NIM0670972","token_address":"0x1c69169a441273ced783d4c24032ff437c60aaff","type":"artist","uuid":"dd7de84d-a844-4cc3-a15e-ef7d843d0c78"}
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddf419f5f48107397033e2ca3a7dbc92bde2b0d92d763e7b74f59f4fdfa71823. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dd7de84d-a844-4cc3-a15e-ef7d843d0c78.json and https://artists.proofprofile.net/proofs/artist/dd7de84d-a844-4cc3-a15e-ef7d843d0c78.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T13:40:30Z
  text: {"copyright_id":"0xddf419f5f48107397033e2ca3a7dbc92bde2b0d92d763e7b74f59f4fdfa71823","name":"Gunnar Gunnarsson","registered_at":"2026-06-15T03:41:49Z","symbol":"NIM0670972","token_address":"0x1c69169a441273ced783d4c24032ff437c60aaff","type":"artist","uuid":"dd7de84d-a844-4cc3-a15e-ef7d843d0c78"}
album: Skálm
  type: MusicAlbum
  date published: 1996-01-01
album: Skálm
  type: MusicAlbum
  date published: 1996-01-01
  track: La vie en rose
    type: MusicRecording
    duration: PT2M56S
    duration ms: 176200
    explicit: false
    by artist: Gunnar Gunnarsson
    in album: Skálm
      type: MusicAlbum
      date published: 1996-01-01
    isrc code: ISZ109600316
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T00:53:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb443163ecd79cb25f4a805c0085ce24041a0437c25456c818e52c16d83bcf980
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958224
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958224
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ISZ109600316
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T02:28:43Z
    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 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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb443163ecd79cb25f4a805c0085ce24041a0437c25456c818e52c16d83bcf980. 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/ISZ109600316.
      date published: 2026-07-16T02:28:43Z
    audio: La vie en rose
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 92.909
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.522
      additional property: Energy
        type: PropertyValue
        value: 0.162
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.987
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.872
      additional property: Liveness
        type: PropertyValue
        value: 0.11
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.356
      additional property: Loudness (dB)
        type: PropertyValue
        value: -18.992
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Skálm
  type: MusicAlbum
  date published: 1996-01-01
album: Stef
  type: MusicAlbum
  date published: 1999-01-01
album: Stef
  type: MusicAlbum
  date published: 1999-01-01
album: Stef
  type: MusicAlbum
  date published: 1999-01-01
album: Des
  type: MusicAlbum
  date published: 2003-01-01
album: Des
  type: MusicAlbum
  date published: 2003-01-01
album: Des
  type: MusicAlbum
  date published: 2003-01-01
album: Húm
  type: MusicAlbum
  date published: 2005-01-01
album: Húm
  type: MusicAlbum
  date published: 2005-01-01
  track: Húm
    type: MusicRecording
    duration: PT3M28S
    duration ms: 208986
    explicit: false
    by artist: Gunnar Gunnarsson
    in album: Húm
      type: MusicAlbum
      date published: 2005-01-01
    isrc code: ISS110500309
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T09:50:29+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf309d831dd8fc7ccc16b28055538ef32b93b8e4484d0b5525dacb5e867b4cf34
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ISS110500309
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    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 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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf309d831dd8fc7ccc16b28055538ef32b93b8e4484d0b5525dacb5e867b4cf34. 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/ISS110500309.
      date published: 2026-07-05T10:01:46Z
    audio: Húm
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 80.05
      additional property: Musical Key
      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
album: Hrím
album: Gnótt
album: 525
album: Skálm & Stef
track: Sé ég þig

Musical Key
type: PropertyValue
value: 5

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.44

Energy
type: PropertyValue
value: 0.069

Speechiness
type: PropertyValue
value: 0.047

Acousticness
type: PropertyValue
value: 0.978

Instrumentalness
type: PropertyValue
value: 0.926

Liveness
type: PropertyValue
value: 0.11

Valence (Positivity)
type: PropertyValue
value: 0.064

Loudness (dB)
type: PropertyValue
value: -21.174

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Minor

Húm
type: MusicAlbum
date published: 2005-01-01

Hrím
type: MusicAlbum
date published: 2008-01-01

Hrím
type: MusicAlbum
date published: 2008-01-01

Hrím
type: MusicAlbum
date published: 2008-01-01

Gnótt
type: MusicAlbum
date published: 2010-01-01

Gnótt
type: MusicAlbum
date published: 2010-01-01

Gnótt
type: MusicAlbum
date published: 2010-01-01

525
type: MusicAlbum
date published: 2014-01-01

Skálm & Stef
type: MusicAlbum
date published: 2014-01-01

525
type: MusicAlbum
date published: 2014-01-01

525
type: MusicAlbum
date published: 2014-12-19

Sé ég þig
type: MusicRecording
duration: PT1M46S
duration ms: 106200
explicit: false
by artist: Gunnar Gunnarsson
by artist: Karlakórinn Heimir
in album: Áfram veginn: Perlur - Safn vinsælla laga Heimis
  type: MusicAlbum
  date published: 2003-01-01
popularity: 8
isrc code: ISV982032003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:23:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c23e331b3f17133773794bfe1d46d7bf7b22efcac73dbe251dc099ec0c2f6c7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957052
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957052
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ISV982032003
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:50:41Z
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c23e331b3f17133773794bfe1d46d7bf7b22efcac73dbe251dc099ec0c2f6c7. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/ISV982032003.
  date published: 2026-07-07T14:50:41Z
audio: Sé ég þig
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.281
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.318
  additional property: Energy
    type: PropertyValue
    value: 0.278
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.156
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.827
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor