Anton Kyldahl
type: MusicGroup
popularity: 20
followers: 1207
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x079bf06cbfa34a7249b9bbf5fe3d47652f7362bb0004e55f4b56e7121e9f96b5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953588
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953588
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/028fc317-c036-48f3-ad6f-1ab987833c7e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/028fc317-c036-48f3-ad6f-1ab987833c7e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/028fc317-c036-48f3-ad6f-1ab987833c7e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T04:52:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x079bf06cbfa34a7249b9bbf5fe3d47652f7362bb0004e55f4b56e7121e9f96b5","name":"Anton Kyldahl","registered_at":"2026-06-14T04:40:26Z","symbol":"NIM0341405","token_address":"0xf10755fa6e0647d856835327bb36d5f7596059ee","type":"artist","uuid":"028fc317-c036-48f3-ad6f-1ab987833c7e"}
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 0x079bf06cbfa34a7249b9bbf5fe3d47652f7362bb0004e55f4b56e7121e9f96b5. Chain 2 (Bitcoin): anchored in block 953588 (2026-06-14T04:52:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/028fc317-c036-48f3-ad6f-1ab987833c7e.json and https://artists.proofprofile.net/proofs/artist/028fc317-c036-48f3-ad6f-1ab987833c7e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T04:52:46Z
  text: {"copyright_id":"0x079bf06cbfa34a7249b9bbf5fe3d47652f7362bb0004e55f4b56e7121e9f96b5","name":"Anton Kyldahl","registered_at":"2026-06-14T04:40:26Z","symbol":"NIM0341405","token_address":"0xf10755fa6e0647d856835327bb36d5f7596059ee","type":"artist","uuid":"028fc317-c036-48f3-ad6f-1ab987833c7e"}
album: Tvivel, kärlek & sorg (Kap.2)
  type: MusicAlbum
  date published: 2021-07-02
  track: Nåt jag vill säga dig
    type: MusicRecording
    duration: PT3M4S
    duration ms: 184453
    explicit: false
    by artist: Anton Kyldahl
    in album: Tvivel, kärlek & sorg (Kap.2)
      type: MusicAlbum
      date published: 2021-07-02
    popularity: 1
    isrc code: QZHN82163580
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T14:47:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x75e5148e616dd825e0ef4d0b407c444c3124413d3e55f57dd47ff5b80efe55d3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957118
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957118
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN82163580
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:20:19Z
    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 0x75e5148e616dd825e0ef4d0b407c444c3124413d3e55f57dd47ff5b80efe55d3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZHN82163580.
      date published: 2026-07-08T03:20:19Z
    audio: Nåt jag vill säga dig
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 122.087
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.491
      additional property: Energy
        type: PropertyValue
        value: 0.698
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.085
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.003
      additional property: Liveness
        type: PropertyValue
        value: 0.119
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.464
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.852
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Tisdagen då jag lämnade dig
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214335
    explicit: false
    by artist: Anton Kyldahl
    by artist: FILIPPA
    in album: Tvivel, kärlek & sorg (Kap.2)
      type: MusicAlbum
      date published: 2021-07-02
    popularity: 0
    isrc code: QZPLR2059963
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-10T01:27:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8636e905f1b899484c6df434acd8a59bc4e4e169a441b68e91de9d5bf3f20cd9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957120
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957120
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPLR2059963
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:22:41Z
    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 0x8636e905f1b899484c6df434acd8a59bc4e4e169a441b68e91de9d5bf3f20cd9. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZPLR2059963.
      date published: 2026-07-08T03:22:41Z
    audio: Tisdagen då jag lämnade dig
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 137.042
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.706
      additional property: Energy
        type: PropertyValue
        value: 0.529
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.48
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.201
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.581
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Dagar som det regnar
track: Tisdagen då jag lämnade dig

Loudness (dB)
type: PropertyValue
value: -14.625

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

Dagar som det regnar
type: MusicAlbum
date published: 2022-03-11
track: Dagar som det regnar
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160000
  explicit: false
  by artist: Vince Wavy
  by artist: Anton Kyldahl
  in album: Dagar som det regnar
    type: MusicAlbum
    date published: 2022-03-11
  popularity: 29
  genre: swedish-pop
  isrc code: QZDA62277307
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T21:31:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9d6b0863bf62f48cedb28a75aa1e286b528df526c8f94096453472b7032bf7a7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA62277307
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  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 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 0x9d6b0863bf62f48cedb28a75aa1e286b528df526c8f94096453472b7032bf7a7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZDA62277307.
    date published: 2026-06-13T13:32:09Z
  audio: Dagar som det regnar
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.196
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.479
    additional property: Energy
      type: PropertyValue
      value: 0.542
    additional property: Speechiness
      type: PropertyValue
      value: 0.156
    additional property: Acousticness
      type: PropertyValue
      value: 0.092
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.3
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.359
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.768
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Tisdagen då jag lämnade dig
type: MusicRecording
duration: PT3M34S
duration ms: 214335
explicit: false
by artist: Anton Kyldahl
by artist: FILIPPA
in album: Tisdagen då jag lämnade dig
  type: MusicAlbum
  date published: 2021-01-15
isrc code: QZPLR2059963
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T01:27:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8636e905f1b899484c6df434acd8a59bc4e4e169a441b68e91de9d5bf3f20cd9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPLR2059963
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 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 0x8636e905f1b899484c6df434acd8a59bc4e4e169a441b68e91de9d5bf3f20cd9. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZPLR2059963.
  date published: 2026-06-13T13:32:09Z
audio: Tisdagen då jag lämnade dig
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.042
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.706
  additional property: Energy
    type: PropertyValue
    value: 0.529
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.48
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.201
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.581
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.625
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major