Master Sword
type: MusicGroup
genre: power metal
description: The is a fictional divine magic sword in Nintendo's The Legend of Zelda series. At times, it is referred to in-universe as the "blade of evil's bane" or the "sword that seals the darkness". It was in
popularity: 14
followers: 5611
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additional property: OTSVerifyInstructions
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  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 0x7077d261d1060e55935bb9f2a3a524a8cca118a347560e342ba44ebfc33a3dd3. Chain 2 (Bitcoin): anchored in block 953759 (2026-06-15T08:04:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b3c831e7-62c0-4a57-af1c-365426f8ae2a.json and https://artists.proofprofile.net/proofs/artist/b3c831e7-62c0-4a57-af1c-365426f8ae2a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T08:04:42Z
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album: Epoch
  type: MusicAlbum
  date published: 2015-06-15
album: Behind the Mirror (feat. Rob Bradley)
  type: MusicAlbum
  date published: 2016-05-11
album: Isle of the Sky Spirits
  type: MusicAlbum
  date published: 2017-03-01
album: Sanctuary
  type: MusicAlbum
  date published: 2017-07-26
album: Shadow and Steel
  type: MusicAlbum
  date published: 2018-01-02
album: The Forsaken Tribe
  type: MusicAlbum
  date published: 2018-11-21
album: The Final Door
  type: MusicAlbum
  date published: 2019-12-27
  track: Hero of Time
    type: MusicRecording
    duration: PT5M11S
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    by artist: Master Sword
    in album: The Final Door
      type: MusicAlbum
      date published: 2019-12-27
    genre: power metal
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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
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      date published: 2026-07-17T12:50:13Z
    audio: Hero of Time
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      additional property: Danceability
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      additional property: Speechiness
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album: Come Sail Away
  type: MusicAlbum
  date published: 2022-07-06
album: How You Hide
  type: MusicAlbum
  date published: 2023-10-02
album: Shadows of the Mind
  type: MusicAlbum
  date published: 2023-12-12
album: Toying With Time
  type: MusicAlbum
  date published: 2025-01-17
  track: The Salesman
    type: MusicRecording
    duration: PT5M1S
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    explicit: false
    by artist: Master Sword
    in album: Toying With Time
      type: MusicAlbum
      date published: 2025-01-17
    genre: power metal
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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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe26533c3dbb19b2d40588e4cefe1e9285a042a9d667660f73b8f49e84cdd4f8. Chain 2 (Bitcoin): anchored in block 958561 (2026-07-18T14:22:01Z), 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/USCGH2524690.
      date published: 2026-07-18T14:22:01Z
    audio: The Salesman
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      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
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  track: Dance of the Demon
  track: Toying With Time

Tempo (BPM)
type: PropertyValue
value: 93.049

Musical Key
type: PropertyValue
value: 1

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

Time Signature
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value: 4

Danceability
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value: 0.24

Energy
type: PropertyValue
value: 0.86

Speechiness
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value: 0.051

Acousticness
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value: 0.001

Instrumentalness
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value: 0.93

Liveness
type: PropertyValue
value: 0.268

Valence (Positivity)
type: PropertyValue
value: 0.531

Loudness (dB)
type: PropertyValue
value: -4.805

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Minor

Dance of the Demon
type: MusicRecording
duration: PT8M56S
duration ms: 536897
explicit: false
by artist: Master Sword
in album: Toying With Time
  type: MusicAlbum
  date published: 2025-01-17
genre: power metal
isrc code: USCGH2524691
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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 0x0a8ad7c1425dd1d0bae24dc4474be0b6c9ea22b96af41b09c9d5f69747ce912c. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:39:56Z), 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/USCGH2524691.
  date published: 2026-07-19T16:39:56Z
audio: Dance of the Demon
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.202
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
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Toying With Time
type: MusicRecording
duration: PT4M25S
duration ms: 265450
explicit: false
by artist: Master Sword
in album: Toying With Time
  type: MusicAlbum
  date published: 2025-01-17
genre: power metal
isrc code: USCGH2524695
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23949820ed0c6ec6865c0e4d5a798d86030bcc42d2518963149bb7a61f460ffd. Chain 2 (Bitcoin): anchored in block 958947 (2026-07-21T03:31:13Z), 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/USCGH2524695.
  date published: 2026-07-21T03:31:13Z
audio: Toying With Time
  type: AudioObject
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    type: PropertyValue
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    type: PropertyValue
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