IRONSTONE
type: MusicGroup
genre: j-rap
description: thumb|300px|Ironstone (sandstone with iron oxides) from the Mississippian Breathitt Formation, Mile Marker 166, I-64, Kentucky Ironstone is a sedimentary rock, either deposited directly as a ferrugino
popularity: 5
followers: 347
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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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  date published: 2026-06-20T17:48:00Z
album: LET THE DOG IN THE HOUSE, LET THE HUMAN DIE OUTSIDE
  type: MusicAlbum
  date published: 2022-03-22
album: LET THE DOG IN THE HOUSE, LET THE HUMAN DIE OUTSIDE
  type: MusicAlbum
  date published: 2022-03-22
  track: HYPER BURN (feat. 愛染 eyezen)
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    duration: PT2M38S
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    by artist: IRONSTONE
    in album: LET THE DOG IN THE HOUSE, LET THE HUMAN DIE OUTSIDE
      type: MusicAlbum
      date published: 2022-03-22
    genre: j-rap
    isrc code: TCJPR2215357
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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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08213a6333a11af19aa812d7d5bf59f3f7b7d3543c4c899e41426305883a6449. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/TCJPR2215357.
      date published: 2026-07-19T00:54:50Z
    audio: HYPER BURN (feat. 愛染 eyezen)
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      additional property: Danceability
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      additional property: Energy
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  track: CURSE (feat. CHEN THE PHARAOH)
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    by artist: IRONSTONE
    in album: LET THE DOG IN THE HOUSE, LET THE HUMAN DIE OUTSIDE
      type: MusicAlbum
      date published: 2022-03-22
    genre: j-rap
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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
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      date published: 2026-07-05T01:12:41Z
    audio: CURSE (feat. CHEN THE PHARAOH)
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album: TOXIC
album: TETSU
album: CUTTER (feat. DRIFT¥)
album: Crystal Night
album: stay hurt stay heat
album: Tetsu-De-Dekiteru
album: WONDERLAND
album: STONESTONE
album: MANTRA II
album: MANTRA Ⅱ
album: DRILL PIECES VI
album: DRILL PIECES Ⅵ

Valence (Positivity)
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value: 0.312

Loudness (dB)
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value: -7.987

Key Name
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value: C#

Mode Name
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value: Major

TOXIC
type: MusicAlbum
date published: 2023-06-06

TOXIC
type: MusicAlbum
date published: 2023-06-06

TETSU
type: MusicAlbum
date published: 2024-01-15

TETSU
type: MusicAlbum
date published: 2024-01-15

CUTTER (feat. DRIFT¥)
type: MusicAlbum
date published: 2024-03-04

CUTTER (feat. DRIFT¥)
type: MusicAlbum
date published: 2024-03-04

Crystal Night
type: MusicAlbum
date published: 2024-11-02

Crystal Night
type: MusicAlbum
date published: 2024-11-02

stay hurt stay heat
type: MusicAlbum
date published: 2024-11-26

stay hurt stay heat
type: MusicAlbum
date published: 2024-11-26

Tetsu-De-Dekiteru
type: MusicAlbum
date published: 2025-04-16

Tetsu-De-Dekiteru
type: MusicAlbum
date published: 2025-04-16

WONDERLAND
type: MusicAlbum
date published: 2025-06-09

WONDERLAND
type: MusicAlbum
date published: 2025-06-09

STONESTONE
type: MusicAlbum
date published: 2025-07-07

STONESTONE
type: MusicAlbum
date published: 2025-07-07

MANTRA II
type: MusicAlbum
date published: 2025-09-01

MANTRA Ⅱ
type: MusicAlbum
date published: 2025-09-01

DRILL PIECES VI
type: MusicAlbum
date published: 2025-11-04

DRILL PIECES Ⅵ
type: MusicAlbum
date published: 2025-11-04