Emerald
type: MusicGroup
genre: indonesian pop
genre: jazz fusion
description: thumb|Main emerald producing countries Emerald is a gemstone and a variety of the mineral beryl (Be3Al2(SiO3)6) colored green by trace amounts of chromium or sometimes vanadium.Hurlbut, Cornelius S.
popularity: 8
followers: 1109
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://artists.proofprofile.net/proofs/artist/52b9dd77-9014-4b91-a7b2-6fa1371d0eeb.json
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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 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 0xf9557f30f9aff573703f0abe2f503d1c0c9f55df595bdbeb308092730bc7a8fc. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/52b9dd77-9014-4b91-a7b2-6fa1371d0eeb.json and https://artists.proofprofile.net/proofs/artist/52b9dd77-9014-4b91-a7b2-6fa1371d0eeb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
album: Come With Me
  type: MusicAlbum
  date published: 1994
album: Crown of Creation
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  date published: 2005
album: Folk No More
  type: MusicAlbum
  date published: 2007-02-26
album: Kharon
  type: MusicAlbum
  date published: 2013
album: The Great Divide
  type: MusicAlbum
  date published: 2013-12-13
album: The Great Divide
  type: MusicAlbum
  date published: 2013-12-13
album: Karaoke Emerald (Italian Hits)
  type: MusicAlbum
  date published: 2014-03-31
album: Metal Redemption
  type: MusicAlbum
  date published: 2014-11-17
album: Karapan Sapi
  type: MusicAlbum
  date published: 2015-01-01
  track: Pasti Dapat
    type: MusicRecording
    duration: PT3M45S
    duration ms: 225946
    explicit: false
    by artist: Emerald
    in album: Karapan Sapi
      type: MusicAlbum
      date published: 2015-01-01
    genre: indonesian pop
    genre: jazz fusion
    isrc code: FR96X1579068
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    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X1579068
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T14:22:01Z
    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 0x837fd0c1ce4e81d21256187ccd3a76cb473b9136bfb630a54fb1eb7eb9719af7. 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/FR96X1579068.
      date published: 2026-07-18T14:22:01Z
    audio: Pasti Dapat
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.266
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        type: PropertyValue
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
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        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.778
      additional property: Energy
        type: PropertyValue
        value: 0.739
      additional property: Speechiness
        type: PropertyValue
        value: 0.082
      additional property: Acousticness
        type: PropertyValue
        value: 0.561
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.071
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.873
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.381
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Karapan Sapi
  type: MusicAlbum
  date published: 2015-03-31
album: The Harvest
  type: MusicAlbum
  date published: 2015-09-22
album: Cemas
  type: MusicAlbum
  date published: 2015-12-01
  track: Melangkah
    type: MusicRecording
    duration: PT4M28S
    duration ms: 268483
    explicit: false
    by artist: Emerald
    in album: Cemas
      type: MusicAlbum
      date published: 2015-12-01
    genre: indonesian pop
    genre: jazz fusion
    isrc code: IDAA21501587
    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IDAA21501587
    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 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 0x1162c01652f8ddf7aea5f888d1fdc95a33eb9d02ef1bc1eea5b0c579a9836611. 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/IDAA21501587.
      date published: 2026-07-05T10:01:46Z
    audio: Melangkah
album: Angels of Oblivion
album: Requiem
album: Sombras del Mal

Melangkah
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 100.962
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.775
additional property: Energy
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  value: 0.556
additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.776
additional property: Instrumentalness
  type: PropertyValue
  value: 0.026
additional property: Liveness
  type: PropertyValue
  value: 0.065
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.485
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.647
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Minor

Angels of Oblivion
type: MusicAlbum
date published: 2017-09-12

Requiem
type: MusicAlbum
date published: 2018-10-24

Sombras del Mal
type: MusicAlbum
date published: 2020-05-01

Sombras del Mal
type: MusicAlbum
date published: 2020-05-29