Margith Mathiesen
type: MusicGroup
genre: lullaby
popularity: 26
followers: 180
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x77298a2f9bdb89576dce7e7465994621c1528e0d096e3d8989068286621edff5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/708c0c0b-4dc7-4e36-8107-27c7b599ed1b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/708c0c0b-4dc7-4e36-8107-27c7b599ed1b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/708c0c0b-4dc7-4e36-8107-27c7b599ed1b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x77298a2f9bdb89576dce7e7465994621c1528e0d096e3d8989068286621edff5","name":"Margith Mathiesen","registered_at":"2026-06-12T00:42:00Z","symbol":"NIM0145530","token_address":"0x2c233eadbf0f55c925f29513008e008826d8b5c0","type":"artist","uuid":"708c0c0b-4dc7-4e36-8107-27c7b599ed1b"}
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 0x77298a2f9bdb89576dce7e7465994621c1528e0d096e3d8989068286621edff5. 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/708c0c0b-4dc7-4e36-8107-27c7b599ed1b.json and https://artists.proofprofile.net/proofs/artist/708c0c0b-4dc7-4e36-8107-27c7b599ed1b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x77298a2f9bdb89576dce7e7465994621c1528e0d096e3d8989068286621edff5","name":"Margith Mathiesen","registered_at":"2026-06-12T00:42:00Z","symbol":"NIM0145530","token_address":"0x2c233eadbf0f55c925f29513008e008826d8b5c0","type":"artist","uuid":"708c0c0b-4dc7-4e36-8107-27c7b599ed1b"}
album: Always By Your Side
  type: MusicAlbum
  date published: 2020-10-16
album: Love and Time
  type: MusicAlbum
  date published: 2021-10-22
  track: Love and Time
    type: MusicRecording
    duration: PT1M43S
    duration ms: 103000
    explicit: false
    by artist: Margith Mathiesen
    in album: Love and Time
      type: MusicAlbum
      date published: 2021-10-22
    genre: lullaby
    isrc code: SE5W32103469
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T18:33:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa2f0a355b584047daed05c8015c93f486374722cc230d09f72e88a073404ecec
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5W32103469
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    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 0xa2f0a355b584047daed05c8015c93f486374722cc230d09f72e88a073404ecec. 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/SE5W32103469.
      date published: 2026-07-05T01:12:41Z
    audio: Love and Time
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 67.171
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.474
      additional property: Energy
        type: PropertyValue
        value: 0.042
      additional property: Speechiness
        type: PropertyValue
        value: 0.119
      additional property: Acousticness
        type: PropertyValue
        value: 0.995
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.963
      additional property: Liveness
        type: PropertyValue
        value: 0.11
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.757
      additional property: Loudness (dB)
        type: PropertyValue
        value: -32.233
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: With A Smile On My Face
  type: MusicAlbum
  date published: 2022-09-23
  track: With A Smile On My Face
    type: MusicRecording
    duration: PT2M0S
    duration ms: 120116
    explicit: false
    by artist: Margith Mathiesen
    in album: With A Smile On My Face
      type: MusicAlbum
      date published: 2022-09-23
    genre: lullaby
    isrc code: SE5W32203284
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T00:53:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd43c1268ba8b364972d046f3bb5c754e59d67605f7576da4f50fd972427f5865
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958346
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958346
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5W32203284
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T01:47:42Z
    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 0xd43c1268ba8b364972d046f3bb5c754e59d67605f7576da4f50fd972427f5865. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T01:47:42Z), 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/SE5W32203284.
      date published: 2026-07-17T01:47:42Z
    audio: With A Smile On My Face
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 100.114
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.699
      additional property: Energy
        type: PropertyValue
        value: 0.05
      additional property: Speechiness
        type: PropertyValue
        value: 0.101
      additional property: Acousticness
        type: PropertyValue
        value: 0.995
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.968
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Liveness
type: PropertyValue
value: 0.112

Valence (Positivity)
type: PropertyValue
value: 0.755

Loudness (dB)
type: PropertyValue
value: -22.955

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major