Sigmund
type: MusicGroup
description: thumb|right|A depiction of Sigmund by Arthur Rackham. In Germanic mythology, Sigmund ( , ) is a hero whose story is told in the Völsunga saga. He and his sister, Signý, are the children of Völsung and
popularity: 7
followers: 549
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x11d7ccdb8dbcd5302b5766aeefc071fa268c8a084a48b18a9d389383cbd72ceb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954008
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954008
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/334cac63-3971-436b-9481-8838a6593c3c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/334cac63-3971-436b-9481-8838a6593c3c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/334cac63-3971-436b-9481-8838a6593c3c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T21:31:27Z
additional property: OTSCanonicalRecord
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 0x11d7ccdb8dbcd5302b5766aeefc071fa268c8a084a48b18a9d389383cbd72ceb. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/334cac63-3971-436b-9481-8838a6593c3c.json and https://artists.proofprofile.net/proofs/artist/334cac63-3971-436b-9481-8838a6593c3c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
album: Folder Mig Ud
  type: MusicAlbum
  date published: 2018-08-31
album: Say My Name
  type: MusicAlbum
  date published: 2019-02-01
album: Danmark
  type: MusicAlbum
  date published: 2019-02-14
album: X Factor
  type: MusicAlbum
  date published: 2019-02-19
album: Spotlightet Venter
  type: MusicAlbum
  date published: 2019-03-27
album: Spotlightet Venter
  type: MusicAlbum
  date published: 2019-04-15
  track: Spotlightet Venter
    type: MusicRecording
    duration: PT3M28S
    duration ms: 208400
    explicit: false
    by artist: Sigmund
    in album: Spotlightet Venter
      type: MusicAlbum
      date published: 2019-04-15
    isrc code: QZES61977060
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T16:01:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9429c7697970deaa920738b046e0e2859bec0a8f6d37169ca52f033620c823ee
    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/QZES61977060
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9429c7697970deaa920738b046e0e2859bec0a8f6d37169ca52f033620c823ee. 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/QZES61977060.
      date published: 2026-07-05T01:12:41Z
    audio: Spotlightet Venter
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.496
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.722
      additional property: Energy
        type: PropertyValue
        value: 0.679
      additional property: Speechiness
        type: PropertyValue
        value: 0.029
      additional property: Acousticness
        type: PropertyValue
        value: 0.114
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.094
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.758
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.663
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Rebel
  type: MusicAlbum
  date published: 2019-06-18
album: Say My Name (Acoustic)
  type: MusicAlbum
  date published: 2019-09-23
album: Julen Varer Evigt
  type: MusicAlbum
  date published: 2019-11-24
album: Satser
  type: MusicAlbum
  date published: 2020-03-18
album: Gone
  type: MusicAlbum
  date published: 2021-09-17
album: Share The Love
  type: MusicAlbum
  date published: 2022-11-27
album: Grethe
  type: MusicAlbum
  date published: 2024-07-19
  track: Grethe
    type: MusicRecording
    duration: PT3M30S
    duration ms: 210375
    explicit: false
    by artist: Sigmund
    in album: Grethe
      type: MusicAlbum
      date published: 2024-07-19
    isrc code: DKL6P2400101
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T00:26:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb3b1d8a7170ea005b96dcfac286ab999f45535570da56a8515ca3005207c24f8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958341
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958341
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DKL6P2400101
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T03:28:33Z
    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 0xb3b1d8a7170ea005b96dcfac286ab999f45535570da56a8515ca3005207c24f8. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T03:28:33Z), 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/DKL6P2400101.
      date published: 2026-07-17T03:28:33Z
    audio: Grethe
      type: AudioObject
      additional property: Tempo (BPM)
      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: Wish It Was Me

Tempo (BPM)
type: PropertyValue
value: 127.949

Musical Key
type: PropertyValue
value: 10

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

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.785

Energy
type: PropertyValue
value: 0.89

Speechiness
type: PropertyValue
value: 0.18

Acousticness
type: PropertyValue
value: 0.182

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.092

Valence (Positivity)
type: PropertyValue
value: 0.542

Loudness (dB)
type: PropertyValue
value: -4.134

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Minor

Wish It Was Me
type: MusicAlbum
date published: 2025-05-09