F.C. Copenhagen FanChants
type: MusicGroup
popularity: 13
followers: 509
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd021e0455820ac50b5b82a5d3b315b372705ebd50943c71095426228b8b568c3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953736
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953736
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9864d469-40d6-4602-8a88-d6a75387deaf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9864d469-40d6-4602-8a88-d6a75387deaf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9864d469-40d6-4602-8a88-d6a75387deaf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T03:21:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd021e0455820ac50b5b82a5d3b315b372705ebd50943c71095426228b8b568c3","name":"F.C. Copenhagen FanChants","registered_at":"2026-06-14T20:32:22Z","symbol":"NIM0568423","token_address":"0x2a6c9e3664bc531460c7b83e6964d0603f4d2b10","type":"artist","uuid":"9864d469-40d6-4602-8a88-d6a75387deaf"}
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 0xd021e0455820ac50b5b82a5d3b315b372705ebd50943c71095426228b8b568c3. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9864d469-40d6-4602-8a88-d6a75387deaf.json and https://artists.proofprofile.net/proofs/artist/9864d469-40d6-4602-8a88-d6a75387deaf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
  text: {"copyright_id":"0xd021e0455820ac50b5b82a5d3b315b372705ebd50943c71095426228b8b568c3","name":"F.C. Copenhagen FanChants","registered_at":"2026-06-14T20:32:22Z","symbol":"NIM0568423","token_address":"0x2a6c9e3664bc531460c7b83e6964d0603f4d2b10","type":"artist","uuid":"9864d469-40d6-4602-8a88-d6a75387deaf"}
album: København fans fodboldsange
  type: MusicAlbum
  date published: 2020-01-01
  track: Kæmp for hovedstaden
    type: MusicRecording
    duration: PT0M55S
    duration ms: 55082
    explicit: false
    by artist: F.C. Copenhagen FanChants
    in album: København fans fodboldsange
      type: MusicAlbum
      date published: 2020-01-01
    isrc code: GX5MX2252567
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T12:19:19+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7624285c30efc6abd7f8714701ee1f0443be334ab42e31b542aa5630f5f492b3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959008
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959008
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5MX2252567
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T15:22:09Z
    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 0x7624285c30efc6abd7f8714701ee1f0443be334ab42e31b542aa5630f5f492b3. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T15:22:09Z), 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/GX5MX2252567.
      date published: 2026-07-21T15:22:09Z
    audio: Kæmp for hovedstaden
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 135.332
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.419
      additional property: Energy
        type: PropertyValue
        value: 0.903
      additional property: Speechiness
        type: PropertyValue
        value: 0.18
      additional property: Acousticness
        type: PropertyValue
        value: 0.94
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.146
      additional property: Liveness
        type: PropertyValue
        value: 0.527
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.272
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.395
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Vi er byens stolthed
    type: MusicRecording
    duration: PT1M10S
    duration ms: 70305
    explicit: false
    by artist: F.C. Copenhagen FanChants
    in album: København fans fodboldsange
      type: MusicAlbum
      date published: 2020-01-01
    isrc code: GX5MX2252571
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T23:02:35+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcf36b6e7523ed17065996434235086f218a610999d76e164cc6a072170c88c21
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956856
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956856
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5MX2252571
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:25:57Z
    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 0xcf36b6e7523ed17065996434235086f218a610999d76e164cc6a072170c88c21. 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/GX5MX2252571.
      date published: 2026-07-06T01:25:57Z
    audio: Vi er byens stolthed
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 134.088
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.375
      additional property: Energy
        type: PropertyValue
        value: 0.7
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.952
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.985
      additional property: Liveness
        type: PropertyValue
        value: 0.194
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.532
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.12
      additional property: Key Name
      additional property: Mode Name
  track: Åh FCK

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Åh FCK
type: MusicRecording
duration: PT1M49S
duration ms: 109366
explicit: false
by artist: F.C. Copenhagen FanChants
in album: København fans fodboldsange
  type: MusicAlbum
  date published: 2020-01-01
isrc code: GX5MX2252572
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T10:34:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2ace154bb7c836cbfdd89a1d1df32a17332ad94a345a75e1e4252f88eb836869
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958152
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958152
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5MX2252572
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T12:00:27Z
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 0x2ace154bb7c836cbfdd89a1d1df32a17332ad94a345a75e1e4252f88eb836869. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/GX5MX2252572.
  date published: 2026-07-15T12:00:27Z
audio: Åh FCK
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.383
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.453
  additional property: Energy
    type: PropertyValue
    value: 0.783
  additional property: Speechiness
    type: PropertyValue
    value: 0.099
  additional property: Acousticness
    type: PropertyValue
    value: 0.867
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.948
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.235
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.062
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major