Nadia Tehran
type: MusicGroup
description: Nadia Kardar Tehran (born 28 April 1990) is a Swedish rapper and singer of Iranian descent. Known for her aggressive, experimental and often political songwriting, she has received international accla
popularity: 11
followers: 5267
additional property: CopyrightID
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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 0x27db235217173fea52e35eb2470945bb8ba7d98de65c7d67c04544548dbfbf31. Chain 2 (Bitcoin): anchored in block 953741 (2026-06-15T04:44:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/99a9d4a0-c3d0-41f8-877c-5299c789641e.json and https://artists.proofprofile.net/proofs/artist/99a9d4a0-c3d0-41f8-877c-5299c789641e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:44:49Z
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album: Refugee
  type: MusicAlbum
  date published: 2014-09-19
album: Superstars
  type: MusicAlbum
  date published: 2015-05-05
album: Life Is Cheap, Death Is Free
  type: MusicAlbum
  date published: 2016-10-17
album: Life Is Cheap, Death Is Free
  type: MusicAlbum
  date published: 2016-10-17
album: Cash Flow (Gud Remix)
  type: MusicAlbum
  date published: 2017-05-26
album: Cash Flow (Gud Remix)
  type: MusicAlbum
  date published: 2017-05-26
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      type: MusicAlbum
      date published: 2017-05-26
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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 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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      date published: 2026-07-21T22:32:59Z
    audio: Cash Flow - Gud Remix
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      additional property: Tempo (BPM)
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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        value: G
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album: Down
  type: MusicAlbum
  date published: 2019-02-21
album: Down
  type: MusicAlbum
  date published: 2019-02-21
album: Jet
  type: MusicAlbum
  date published: 2019-03-28
album: Come & Go
  type: MusicAlbum
  date published: 2019-05-02
album: Come & Go
  type: MusicAlbum
  date published: 2019-05-02
album: Dozakh: All Lovers Hell
  type: MusicAlbum
  date published: 2019-05-16
album: Dozakh: All Lovers Hell
  type: MusicAlbum
  date published: 2019-05-16
album: Jet
  type: MusicAlbum
  date published: 2020-08-12
album: Jet
  type: MusicAlbum
  date published: 2020-08-12
album: Down
  type: MusicAlbum
  date published: 2020-09-02
album: Down
  type: MusicAlbum
  date published: 2020-09-02
album: Dozakh: All Lovers Hell (Expanded)
  type: MusicAlbum
  date published: 2020-09-09
album: Dozakh: All Lovers Hell (Expanded)
  type: MusicAlbum
  date published: 2020-09-09
track: Sergelized
  type: MusicRecording
  duration: PT3M30S
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  by artist: Nadia Tehran
  in album: RIFT One
    type: MusicAlbum
    date published: 2020-07-08
  popularity: 2
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Sergelized

OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5AJ2001117

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ecc56650d455ec97d122923d7ab14f97b8c87cbf134b6362f83ee1dab472298. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/SE5AJ2001117.
date published: 2026-07-08T03:20:19Z

Sergelized
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Instrumentalness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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