Phantom Excaliver
type: MusicGroup
genre: power metal
description: Phantom Excaliver is a Japanese melodic death metal/power metal/metalcore band from Tokyo. The band won the 1st place in the 2023 Wacken Open Air metal battle competition. History The band was form
popularity: 15
followers: 3932
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa376d5875875435bd89662656a715530cab2121090acd70b2dfacc6c1e12a48. Chain 2 (Bitcoin): anchored in block 953713 (2026-06-15T00:33:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7fb17092-0344-4f01-8554-01b09d43ab7f.json and https://artists.proofprofile.net/proofs/artist/7fb17092-0344-4f01-8554-01b09d43ab7f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T00:33:41Z
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album: 鋼鉄の誓い
  type: MusicAlbum
  date published: 2015-07-08
album: 鋼鉄の誓い
  type: MusicAlbum
  date published: 2015-07-08
  track: 聖歌ZEUS
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    by artist: Phantom Excaliver
    in album: 鋼鉄の誓い
      type: MusicAlbum
      date published: 2015-07-08
    genre: power metal
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      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:26:17Z
    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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1a88cf5f8831796661388e68ec843ec1eb19b3fe0edcdcff7f72f6f6a39d5f4. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/JPH101500001.
      date published: 2026-07-06T01:26:17Z
    audio: 聖歌ZEUS
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      additional property: Tempo (BPM)
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
        type: PropertyValue
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      additional property: Key Name
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      additional property: Mode Name
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  track: 鋼鉄の誓い
    type: MusicRecording
    duration: PT5M5S
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    by artist: Phantom Excaliver
    in album: 鋼鉄の誓い
      type: MusicAlbum
      date published: 2015-07-08
    genre: power metal
    isrc code: JPH101500002
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    additional property: OTSTimestamp
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    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 0x148f9278434928490ae035bbdb9da0611884b79cc651db252098991c9c364910. 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/JPH101500002.
      date published: 2026-07-05T01:12:41Z
    audio: 鋼鉄の誓い
      type: AudioObject
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      additional property: Acousticness
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      additional property: Valence (Positivity)
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  track: MOTHER EARTH
album: 幻の聖剣
album: IRON BLOOD JEALOUSY
album: 鉄血のジェラシー
album: Rhapsody Of Fire
album: 炎のラプソディ
album: DRAGON AVENGERS
album: やっさっさ
album: YASSASSA
album: METAL NEVER BETRAYS US
album: メタルは裏切らない
album: Rhapsody Of Fire (Re-Recording)
album: 聖剣伝説
album: LEGEND OF THE SWORD
album: Twilight Valkyria
album: Cheers
album: 乾杯
album: Good bye
album: KINGDOM
album: THE RISING KINGDOM
album: METAL Makes the Future

Liveness
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value: 0.47

Valence (Positivity)
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value: 0.409

Loudness (dB)
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value: -3.736

Key Name
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Mode Name
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value: Minor

MOTHER EARTH
type: MusicRecording
duration: PT4M54S
duration ms: 294853
explicit: false
by artist: Phantom Excaliver
in album: 鋼鉄の誓い
  type: MusicAlbum
  date published: 2015-07-08
genre: power metal
isrc code: JPH101500009
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPH101500009
additional property: OTSTimestamp
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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 0x5e45c17102d5be91c34b41a322ea5d47c2de0dbe551598f2467a81726c125246. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/JPH101500009.
  date published: 2026-07-05T18:48:28Z
audio: MOTHER EARTH
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  additional property: Acousticness
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  additional property: Key Name
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幻の聖剣
type: MusicAlbum
date published: 2017-07-26

IRON BLOOD JEALOUSY
type: MusicAlbum
date published: 2021-05-10

鉄血のジェラシー
type: MusicAlbum
date published: 2021-05-10

Rhapsody Of Fire
type: MusicAlbum
date published: 2021-10-20

炎のラプソディ
type: MusicAlbum
date published: 2021-10-20

DRAGON AVENGERS
type: MusicAlbum
date published: 2021-11-04

DRAGON AVENGERS
type: MusicAlbum
date published: 2021-11-04

やっさっさ
type: MusicAlbum
date published: 2023-01-31

YASSASSA
type: MusicAlbum
date published: 2023-01-31

METAL NEVER BETRAYS US
type: MusicAlbum
date published: 2023-03-31

メタルは裏切らない
type: MusicAlbum
date published: 2023-03-31

Rhapsody Of Fire (Re-Recording)
type: MusicAlbum
date published: 2023-04-07

Rhapsody Of Fire (Re-Recording)
type: MusicAlbum
date published: 2023-04-07

聖剣伝説
type: MusicAlbum
date published: 2024-04-22

LEGEND OF THE SWORD
type: MusicAlbum
date published: 2024-04-22

Twilight Valkyria
type: MusicAlbum
date published: 2024-05-28

Twilight Valkyria
type: MusicAlbum
date published: 2024-05-28

Cheers
type: MusicAlbum
date published: 2024-06-17

乾杯
type: MusicAlbum
date published: 2024-06-17

Good bye
type: MusicAlbum
date published: 2024-07-05

Good bye
type: MusicAlbum
date published: 2024-07-05

KINGDOM
type: MusicAlbum
date published: 2024-11-11

KINGDOM
type: MusicAlbum
date published: 2024-11-11

THE RISING KINGDOM
type: MusicAlbum
date published: 2024-12-04

THE RISING KINGDOM
type: MusicAlbum
date published: 2024-12-04

METAL Makes the Future
type: MusicAlbum
date published: 2025-10-11

METAL Makes the Future
type: MusicAlbum
date published: 2025-10-11