Gram
type: MusicGroup
genre: hardcore techno
genre: speedcore
description: The gram (originally gramme; SI unit symbol g) is a unit of mass in the International System of Units (SI) equal to one thousandth of a kilogram. Originally defined in 1795 as "the absolute weight of
popularity: 14
followers: 3591
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSCanonicalRecord
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 0x5d56828ff41a6e0ffe29f238d6a947da626437c5e35056072b54101682813936. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eb8443eb-ddcd-44b7-a245-2fbf86334a99.json and https://artists.proofprofile.net/proofs/artist/eb8443eb-ddcd-44b7-a245-2fbf86334a99.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T19:59:56Z
album: Hera
  type: MusicAlbum
  date published: 2023-11-09
  track: Hera
    type: MusicRecording
    duration: PT3M39S
    duration ms: 219428
    explicit: false
    by artist: Gram
    in album: Hera
      type: MusicAlbum
      date published: 2023-11-09
    genre: hardcore techno
    genre: speedcore
    isrc code: TCJPY2300267
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    additional property: OTSTimestamp
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      value: 2026-07-16T05:33:20Z
    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 0x63a3f9b5b7c4e45a8e4bd577df5c9885cffd1e7659ff07e79831806c129a1d13. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:33:20Z), 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/TCJPY2300267.
      date published: 2026-07-16T05:33:20Z
    audio: Hera
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 104.997
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.471
      additional property: Energy
        type: PropertyValue
        value: 0.993
      additional property: Speechiness
        type: PropertyValue
        value: 0.069
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.298
      additional property: Liveness
        type: PropertyValue
        value: 0.385
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.11
      additional property: Loudness (dB)
        type: PropertyValue
        value: -1.027
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
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album: Hercules
  type: MusicAlbum
  date published: 2024-10-18
  track: Hercules
    type: MusicRecording
    duration: PT3M15S
    duration ms: 195000
    explicit: false
    by artist: Gram
    in album: Hercules
      type: MusicAlbum
      date published: 2024-10-18
    genre: hardcore techno
    genre: speedcore
    isrc code: TCJPC2421057
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    additional property: OTSTimestamp
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      value: 2026-07-03T10:47:44Z
    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 0xdbac0b370c8c88c777529f5e2abc479ebcdad15290a85b293e4e1c5c3a5beec2. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/TCJPC2421057.
      date published: 2026-07-03T10:47:44Z
    audio: Hercules
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 160.012
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.432
      additional property: Energy
        type: PropertyValue
        value: 0.995
      additional property: Speechiness
        type: PropertyValue
        value: 0.182
      additional property: Acousticness
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      additional property: Instrumentalness
        type: PropertyValue
        value: 0.612
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Gram's Solo Serene Requiem, "The Abyss"
album: Valhalla's Triumph
album: Abyss
album: Caduceus
album: Gorgon

Liveness
type: PropertyValue
value: 0.406

Valence (Positivity)
type: PropertyValue
value: 0.211

Loudness (dB)
type: PropertyValue
value: -2.599

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Gram's Solo Serene Requiem, "The Abyss"
type: MusicAlbum
date published: 2024-10-21

Valhalla's Triumph
type: MusicAlbum
date published: 2024-10-26

Abyss
type: MusicAlbum
date published: 2024-10-27
track: ENUMA ELIS ~Gram Saga~
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174000
  explicit: false
  by artist: Gram
  in album: Abyss
    type: MusicAlbum
    date published: 2024-10-27
  genre: hardcore techno
  genre: speedcore
  isrc code: TCJPC2440690
  additional property: CopyrightID
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    type: PropertyValue
    value: registered
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    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T02:49:15Z
  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 0x65aa2e5135134485c36e69aafb9030c57fc5c30e503b93fe6b075f2b5ee1d936. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T02:49:15Z), 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/TCJPC2440690.
    date published: 2026-07-20T02:49:15Z
  audio: ENUMA ELIS ~Gram Saga~
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 117.328
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.32
    additional property: Energy
      type: PropertyValue
      value: 0.987
    additional property: Speechiness
      type: PropertyValue
      value: 0.169
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.208
    additional property: Liveness
      type: PropertyValue
      value: 0.374
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.033
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.403
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Caduceus
type: MusicAlbum
date published: 2024-12-04
track: Caduceus
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176666
  explicit: false
  by artist: Gram
  in album: Caduceus
    type: MusicAlbum
    date published: 2024-12-04
  genre: hardcore techno
  genre: speedcore
  isrc code: TCJPC2482027
  additional property: CopyrightID
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    type: PropertyValue
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    type: PropertyValue
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  additional property: OTSTimestamp
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    value: 2026-07-13T18:21:04Z
  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 0x9d62909014305a8f17b966358c3a52516576067632b4aee4e203d0492279ff39. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/TCJPC2482027.
    date published: 2026-07-13T18:21:04Z
  audio: Caduceus
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 117.093
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.261
    additional property: Energy
      type: PropertyValue
      value: 0.984
    additional property: Speechiness
      type: PropertyValue
      value: 0.183
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.005
    additional property: Liveness
      type: PropertyValue
      value: 0.535
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.24
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.995
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Gorgon
type: MusicAlbum
date published: 2025-10-24