Heartless
type: MusicGroup
genre: grindcore
description: Heartless may refer to: Books Heartless (Carriger novel), a 2011 novel in the New York Times best-selling "Parasol Protectorate" series by Gail Carriger Heartless (Pretty Little Liars), a 2010 novel
popularity: 6
followers: 522
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeea1e38f602ae6736dcc4fc4f353c7078cb234857f3c6bc5de2d980b01bbeac5. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9d5e4e4b-fea7-4057-b804-df9dd95fa434.json and https://artists.proofprofile.net/proofs/artist/9d5e4e4b-fea7-4057-b804-df9dd95fa434.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
album: I Believe
  type: MusicAlbum
  date published: 2009-11-03
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  type: MusicAlbum
  date published: 2011-11-08
album: D.P.M.O
  type: MusicAlbum
  date published: 2012-07-24
album: Certain Death
  type: MusicAlbum
  date published: 2013-05-18
album: Doubted Me
  type: MusicAlbum
  date published: 2020-06-24
album: Young Nigga
  type: MusicAlbum
  date published: 2020-07-17
album: Thin Line
  type: MusicAlbum
  date published: 2020-08-20
album: Keep it playa
  type: MusicAlbum
  date published: 2020-10-29
album: Send a message
  type: MusicAlbum
  date published: 2020-12-28
album: S.A.D
  type: MusicAlbum
  date published: 2022-01-22
track: Sigarette - Heartless Remix
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  by artist: Mondo Marcio
  by artist: Heartless
  in album: My Beautiful Bloody Break Up - Full Circle
    type: MusicAlbum
    date published: 2021-04-09
  genre: italian-hip-hop
  genre: italian-underground-hip-hop
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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 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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dae4ee0c9311c8f6ab9ec98b3b5a77aea1399fd11103fd61ce77a42f875b576. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/ITDJ62100007.
    date published: 2026-07-02T03:30:09Z
  audio: Sigarette - Heartless Remix
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