Hagall×152Hz
type: MusicGroup
popularity: 8
followers: 636
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x31c1127cf531aeec29179768121e8eda4032af346d42d5c68eced99a621f0182
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b5e05d75-e16a-44ff-9044-9d8e48fb84a4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b5e05d75-e16a-44ff-9044-9d8e48fb84a4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b5e05d75-e16a-44ff-9044-9d8e48fb84a4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x31c1127cf531aeec29179768121e8eda4032af346d42d5c68eced99a621f0182","name":"Hagall×152Hz","registered_at":"2026-06-20T14:46:13Z","symbol":"NIM1634798","token_address":"0x95a32b89affb84907145251ec557970ddc198c97","type":"artist","uuid":"b5e05d75-e16a-44ff-9044-9d8e48fb84a4"}
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 0x31c1127cf531aeec29179768121e8eda4032af346d42d5c68eced99a621f0182. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b5e05d75-e16a-44ff-9044-9d8e48fb84a4.json and https://artists.proofprofile.net/proofs/artist/b5e05d75-e16a-44ff-9044-9d8e48fb84a4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x31c1127cf531aeec29179768121e8eda4032af346d42d5c68eced99a621f0182","name":"Hagall×152Hz","registered_at":"2026-06-20T14:46:13Z","symbol":"NIM1634798","token_address":"0x95a32b89affb84907145251ec557970ddc198c97","type":"artist","uuid":"b5e05d75-e16a-44ff-9044-9d8e48fb84a4"}
album: for summon wall of "ArtinaToss"
  type: MusicAlbum
  date published: 2014-04-27
album: for summon wall of "ArtinaToss" - アルティナ・トスの召喚壁に捧ぐ
  type: MusicAlbum
  date published: 2014-04-27
album: ETLIQUE
  type: MusicAlbum
  date published: 2016-04-24
  track: Genesis
    type: MusicRecording
    duration: PT4M15S
    duration ms: 255957
    explicit: false
    by artist: Hagall×152Hz
    in album: ETLIQUE
      type: MusicAlbum
      date published: 2016-04-24
    isrc code: TCJPL2063785
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T00:11:15+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe5ad02fd22b9a4633101115fb8b959e43a2088237e2949957fc80a5fbbba2da6
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958945
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958945
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPL2063785
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T00:35:28Z
    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 0xe5ad02fd22b9a4633101115fb8b959e43a2088237e2949957fc80a5fbbba2da6. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T00:35:28Z), 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/TCJPL2063785.
      date published: 2026-07-21T00:35:28Z
    audio: Genesis
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 108.005
      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: 0.285
      additional property: Energy
        type: PropertyValue
        value: 0.58
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.694
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.011
      additional property: Liveness
        type: PropertyValue
        value: 0.076
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.362
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.794
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: ETLIQUE
  type: MusicAlbum
  date published: 2016-04-24
album: HALTOR - from summon wall of "Artina Toss" (Part1)
  type: MusicAlbum
  date published: 2021-10-31
  track: Daybreak
    type: MusicRecording
    duration: PT1M33S
    duration ms: 93624
    explicit: false
    by artist: Hagall×152Hz
    in album: HALTOR - from summon wall of "Artina Toss" (Part1)
      type: MusicAlbum
      date published: 2021-10-31
    isrc code: TCJPQ2116453
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T02:48:52+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb63a70abfff6c359ae25b64f3536a92eedd47910018dafe0e56824f624b49750
    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/TCJPQ2116453
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb63a70abfff6c359ae25b64f3536a92eedd47910018dafe0e56824f624b49750. 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/TCJPQ2116453.
      date published: 2026-07-05T10:01:46Z
    audio: Daybreak
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 69.048
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.267
      additional property: Energy
        type: PropertyValue
        value: 0.187
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.921
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: 償いのハルトア - from summon wall of "Artina Toss" (Part2)
album: HALTOR - from summon wall of "Artina Toss" (Part2)
album: 償いのハルトア - from summon wall of "Artina Toss" (Part1)

Instrumentalness
type: PropertyValue
value: 0.772

Liveness
type: PropertyValue
value: 0.352

Valence (Positivity)
type: PropertyValue
value: 0.129

Loudness (dB)
type: PropertyValue
value: -26.067

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Minor

償いのハルトア - from summon wall of "Artina Toss" (Part2)
type: MusicAlbum
date published: 2021-10-31

HALTOR - from summon wall of "Artina Toss" (Part2)
type: MusicAlbum
date published: 2021-10-31
track: Artina Toss (feat. Sennzai)
  type: MusicRecording
  duration: PT6M48S
  duration ms: 408580
  explicit: false
  by artist: Hagall×152Hz
  in album: HALTOR - from summon wall of "Artina Toss" (Part2)
    type: MusicAlbum
    date published: 2021-10-31
  isrc code: TCJPQ2118623
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T12:46:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x216cdebb3cc986ffa807df91060e126718cb13e34235b49fd56ca1273e97ac0b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959009
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959009
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPQ2118623
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T15:49:17Z
  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 0x216cdebb3cc986ffa807df91060e126718cb13e34235b49fd56ca1273e97ac0b. Chain 2 (Bitcoin): anchored in block 959009 (2026-07-21T15:49:17Z), 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/TCJPQ2118623.
    date published: 2026-07-21T15:49:17Z
  audio: Artina Toss (feat. Sennzai)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 71.87
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.376
    additional property: Energy
      type: PropertyValue
      value: 0.148
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.934
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.161
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.106
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.93
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

償いのハルトア - from summon wall of "Artina Toss" (Part1)
type: MusicAlbum
date published: 2021-10-31