Hayko
type: MusicGroup
description: Hayk Borisi "Hayko" Hakobyan (; 25 August 1973 – 29 September 2021) was an Armenian singer and songwriter. Biography Hayko was born on 25 August 1973 in Yerevan, Armenia (then part of the Soviet Unio
popularity: 10
followers: 108
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a771418c1382c911da64d0f9591496def585e270ba822556bdd092162034a7b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/88a7c0e9-3576-41a8-89ff-be2bec890084.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/88a7c0e9-3576-41a8-89ff-be2bec890084.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/88a7c0e9-3576-41a8-89ff-be2bec890084
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 0x4a771418c1382c911da64d0f9591496def585e270ba822556bdd092162034a7b. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/88a7c0e9-3576-41a8-89ff-be2bec890084.json and https://artists.proofprofile.net/proofs/artist/88a7c0e9-3576-41a8-89ff-be2bec890084.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
album: Yegur Yegur / Viştov Letzun
  type: MusicAlbum
  date published: 1971-02-15
album: Düğün Alayı
  type: MusicAlbum
  date published: 1973-07-24
album: İlk Göz Ağrım / Çoban Aşkı
  type: MusicAlbum
  date published: 1973-08-28
album: En İyileriyle Hayko
  type: MusicAlbum
  date published: 1974
  track: Sude Sude
    type: MusicRecording
    duration: PT3M16S
    duration ms: 196960
    explicit: false
    by artist: Hayko
    in album: En İyileriyle Hayko
      type: MusicAlbum
      date published: 1974
    isrc code: TR0071200356
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T00:14:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb81726e5709d22c2c7d758ba759b346453016cb7e41b78d2d77c600df6cfe411
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959084
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959084
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TR0071200356
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T00:50:00Z
    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 0xb81726e5709d22c2c7d758ba759b346453016cb7e41b78d2d77c600df6cfe411. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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/TR0071200356.
      date published: 2026-07-22T00:50:00Z
    audio: Sude Sude
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 126.655
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.431
      additional property: Energy
        type: PropertyValue
        value: 0.722
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.431
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.021
      additional property: Liveness
        type: PropertyValue
        value: 0.095
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.745
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.154
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Sor Bana
  type: MusicAlbum
  date published: 1974-05-02
album: Nazlısın (Tavernalar Kralı)
  type: MusicAlbum
  date published: 1974-07-24
album: Merhaba / Sor Bana (Tavernalar Kralı)
  type: MusicAlbum
  date published: 1974-08-28
album: Neriman / Vicdansız (Tavernalar Kralı)
  type: MusicAlbum
  date published: 1976-08-21
album: Grafson'dan Hayko Klasikleri
  type: MusicAlbum
  date published: 1979-01-01
album: Taverna Müzik
  type: MusicAlbum
  date published: 1979-02-15
album: Live Songs
  type: MusicAlbum
  date published: 2001-07-01
album: Best Live in Erevan
  type: MusicAlbum
  date published: 2005-09-01
album: Tspume Sevane
  type: MusicAlbum
  date published: 2005-10-20
album: The Best
  type: MusicAlbum
  date published: 2005-11-15
album: Im Anush Mayrik
  type: MusicAlbum
  date published: 2007-08-22
album: Tur Inz Serd
  type: MusicAlbum
  date published: 2010-08-02
album: En İyileriyle Hayko
  type: MusicAlbum
  date published: 2012-05-02
album: En İyileriyle Hayko (Tavernalar Kralı)
  type: MusicAlbum
  date published: 2012-05-23
album: The Best
  type: MusicAlbum
  date published: 2014-05-05
  track: Nazan Yars
    type: MusicRecording
    duration: PT3M19S
    duration ms: 199106
    explicit: false
    by artist: Hayko
    in album: The Best
      type: MusicAlbum
      date published: 2014-05-05
    isrc code: FR59R1654552
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T03:04:41+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb9584ec268d4d07eec64babbc15d8e855fcdf6fefead6e3dc2086fcf045296f5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Nazan Yars
album: Kama Te Akama
album: Im Ser

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956634

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R1654552

OTSTimestamp
type: PropertyValue
value: 2026-07-04T10:04:33Z

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 0xb9584ec268d4d07eec64babbc15d8e855fcdf6fefead6e3dc2086fcf045296f5. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FR59R1654552.
date published: 2026-07-04T10:04:33Z

Nazan Yars
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 80.739
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.63
additional property: Energy
  type: PropertyValue
  value: 0.97
additional property: Speechiness
  type: PropertyValue
  value: 0.08
additional property: Acousticness
  type: PropertyValue
  value: 0.782
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.131
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.947
additional property: Loudness (dB)
  type: PropertyValue
  value: 1.11
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Minor

Kama Te Akama
type: MusicAlbum
date published: 2022-10-17

Im Ser
type: MusicAlbum
date published: 2023-07-10

Im Ser
type: MusicAlbum
date published: 2023-07-10