Giannis Papaioannou
type: MusicGroup
genre: entehno
genre: laïko
description: Giannis Papaioannou (; January 18, 1913 – August 3, 1972) was a famous Greek musician and composer born in Kios, Ottoman Empire (now Gemlik, Turkey). In English his name is sometimes romanticized as Y
popularity: 21
followers: 7784
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8eb43b43ef1d1c29f0c1a6f7c4fedc55dcefeee07f2e624f94997bd16c8fcd3. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/230acdf8-080a-4826-87f8-7d115172c43c.json and https://artists.proofprofile.net/proofs/artist/230acdf8-080a-4826-87f8-7d115172c43c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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album: I Megali Tou Rebetikou 1935-1950 (Vol. 4)
  type: MusicAlbum
  date published: 1976-01-30
album: 40 Hronia Papaioannou
  type: MusicAlbum
  date published: 1983-03-23
album: Ta Tragoudia Apo To Tileoptiko Afieroma Ston Gianni Papaioannou
  type: MusicAlbum
  date published: 1983-09-07
album: Sinthetes Tou Rebetikou (Vol. 1)
  type: MusicAlbum
  date published: 1994-04-14
  track: Vadizo Me Parapono - Remastered
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    duration: PT3M23S
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    by artist: Giannis Papaioannou
    in album: Sinthetes Tou Rebetikou (Vol. 1)
      type: MusicAlbum
      date published: 1994-04-14
    genre: entehno
    genre: laïko
    isrc code: GRE019400590
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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
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3023eb29b8643536b42567c4772603cd546fc75f98e4d9e2162bfa98f2469b98. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/GRE019400590.
      date published: 2026-07-18T12:14:37Z
    audio: Vadizo Me Parapono - Remastered
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      additional property: Tempo (BPM)
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        value: 91.909
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      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
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        value: 0.143
      additional property: Valence (Positivity)
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        value: 0.532
      additional property: Loudness (dB)
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        value: -20.004
      additional property: Key Name
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        value: E
      additional property: Mode Name
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        value: Minor
album: Tragoudia Apo Tis 45 Strofes
  type: MusicAlbum
  date published: 1996-09-20
album: Sinthetes Tou Rebetikou (Vol. 3)
  type: MusicAlbum
  date published: 1997-09-04
album: Sinthetes Tou Rebetikou (Vol. 4)
  type: MusicAlbum
  date published: 1997-09-04
album: Sinthetes Tou Rebetikou (Vol. 2)
  type: MusicAlbum
  date published: 1998-09-04
album: Min To Sizitas
  type: MusicAlbum
  date published: 2003
album: Pekse Gianni
  type: MusicAlbum
  date published: 2004-04-02
album: Akoma S' Agapo
  type: MusicAlbum
  date published: 2007-01-01
album: Akoma S' Agapo
  type: MusicAlbum
  date published: 2007-01-01
album: Mia Vradia Gia Ton Mparmpa Gianni
  type: MusicAlbum
  date published: 2010-07-13
  track: Prin To Xarama Monahos
    type: MusicRecording
    duration: PT3M9S
    duration ms: 189066
    explicit: false
    by artist: Giannis Papaioannou
    in album: Mia Vradia Gia Ton Mparmpa Gianni
      type: MusicAlbum
      date published: 2010-07-13
    genre: entehno
    genre: laïko
    isrc code: GRFM19500221
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    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Prin To Xarama Monahos
album: Giannis Papaioannou - All songs and solos performed by - Recordings 1937-1960
album: Tsifteteli Instrumental
album: Svise To Fos Na Koimithoume
album: Anamniseis

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f0093e1eb2b7615304042d56971086bf1051126984cc6613a991452a153a251. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/GRFM19500221.
date published: 2026-07-03T19:59:51Z

Prin To Xarama Monahos
type: AudioObject
additional property: Tempo (BPM)
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  value: 140.748
additional property: Musical Key
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  value: 4
additional property: Mode (Major/Minor)
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  value: 0
additional property: Time Signature
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  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.541
additional property: Energy
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  value: 0.452
additional property: Speechiness
  type: PropertyValue
  value: 0.037
additional property: Acousticness
  type: PropertyValue
  value: 0.792
additional property: Instrumentalness
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  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.878
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.684
additional property: Loudness (dB)
  type: PropertyValue
  value: -12.146
additional property: Key Name
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  value: E
additional property: Mode Name
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Giannis Papaioannou - All songs and solos performed by - Recordings 1937-1960
type: MusicAlbum
date published: 2011-11-11

Tsifteteli Instrumental
type: MusicAlbum
date published: 2019-02-05

Svise To Fos Na Koimithoume
type: MusicAlbum
date published: 2019-08-02

Anamniseis
type: MusicAlbum
date published: 2024-07-26