Quartals
type: MusicGroup
popularity: 3
followers: 13
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6692aefe759f16c8a8fbddd443ea5999c9f6522bd02f8afd32573bae61bc6af
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954729
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954729
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fb7f141c-49d6-49d9-b3f2-0576a3186a0b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fb7f141c-49d6-49d9-b3f2-0576a3186a0b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fb7f141c-49d6-49d9-b3f2-0576a3186a0b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:16:07Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6692aefe759f16c8a8fbddd443ea5999c9f6522bd02f8afd32573bae61bc6af. Chain 2 (Bitcoin): anchored in block 954729 (2026-06-21T18:16:07Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fb7f141c-49d6-49d9-b3f2-0576a3186a0b.json and https://artists.proofprofile.net/proofs/artist/fb7f141c-49d6-49d9-b3f2-0576a3186a0b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:16:07Z
album: Mūsu Melodija
  type: MusicAlbum
  date published: 2025-09-22
album: kur ir laime
  type: MusicAlbum
  date published: 2025-09-23
album: divi kā viens
  type: MusicAlbum
  date published: 2025-09-23
album: tev blakus būt
  type: MusicAlbum
  date published: 2025-09-24
album: sirds valdniece
  type: MusicAlbum
  date published: 2025-09-24
album: nezaudēšu ticību
  type: MusicAlbum
  date published: 2025-09-26
album: atstāju sirdi laimei
  type: MusicAlbum
  date published: 2025-09-27
album: laimi sadabūt
  type: MusicAlbum
  date published: 2025-09-27
album: tādās vietās
  type: MusicAlbum
  date published: 2025-09-28
album: saule atkal lēks
  type: MusicAlbum
  date published: 2025-09-30
album: super nakts
  type: MusicAlbum
  date published: 2025-09-30
album: nakts diviem
  type: MusicAlbum
  date published: 2025-10-02
album: katra diena
  type: MusicAlbum
  date published: 2025-10-03
album: mājas
  type: MusicAlbum
  date published: 2025-10-03
album: šajā ceļā
  type: MusicAlbum
  date published: 2025-10-04
album: tikšanās
  type: MusicAlbum
  date published: 2025-10-04
album: vasaras skaistumā
  type: MusicAlbum
  date published: 2025-10-04
album: tā es tevi mīlu
  type: MusicAlbum
  date published: 2025-10-04
album: kaut kur tālu
  type: MusicAlbum
  date published: 2025-10-05
album: caur solījumiem
  type: MusicAlbum
  date published: 2025-10-06
album: tavā apskāvienā
  type: MusicAlbum
  date published: 2025-10-07
album: dālija
  type: MusicAlbum
  date published: 2025-10-07
album: cīnos
  type: MusicAlbum
  date published: 2025-10-09
album: sapņi mostas
  type: MusicAlbum
  date published: 2025-10-10
album: sapņojam kā vasarā
  type: MusicAlbum
  date published: 2025-10-11
album: ar tevi vēlos būt
  type: MusicAlbum
  date published: 2025-10-11
album: brīvības gatve
  type: MusicAlbum
  date published: 2025-10-11
album: varbūt
  type: MusicAlbum
  date published: 2025-10-11
album: dziest vārdi
  type: MusicAlbum
  date published: 2025-10-11
album: tu esi manās domās
  type: MusicAlbum
  date published: 2025-10-11
album: dvēseles zieds
  type: MusicAlbum
  date published: 2025-10-14
album: pavadīt
  type: MusicAlbum
  date published: 2025-10-14
album: gatavs uz visu
  type: MusicAlbum
  date published: 2025-10-16
album: rakstu tev
  type: MusicAlbum
  date published: 2025-10-16
album: pretī debesīm
  type: MusicAlbum
  date published: 2025-10-16
album: laime uz lūpām
  type: MusicAlbum
  date published: 2025-10-18
album: rudens krāsas
  type: MusicAlbum
  date published: 2025-10-18
album: kā debesīs
  type: MusicAlbum
  date published: 2025-10-19
album: mīlu tāpat kā vakar
  type: MusicAlbum
  date published: 2025-10-19
  track: mīlu tāpat kā vakar
    type: MusicRecording
    duration: PT3M13S
    duration ms: 193039
    explicit: false
    by artist: Quartals
    in album: mīlu tāpat kā vakar
      type: MusicAlbum
      date published: 2025-10-19
    isrc code: QT3FG2581364
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T04:13:22+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xddb96b7dae95f8912ea7f854c2e123feab2455e3213c822331023eaf280468ab
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956889
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956889
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3FG2581364
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T06:56:49Z
    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 0xddb96b7dae95f8912ea7f854c2e123feab2455e3213c822331023eaf280468ab. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QT3FG2581364.
      date published: 2026-07-06T06:56:49Z
    audio: mīlu tāpat kā vakar
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 146.115
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: šai naktī
album: dvēsele asarās
album: mūsu sirdis
album: viens skatiens
album: jūras vējā
album: kad atceries
album: pērle
album: mūžīgi
album: laime plaukst
album: cik ļoti tevi mīlētu
album: tu paliki ar mani
album: mīlestības jūtas
album: vārdi uz melna
album: tumšās dienas
album: kāpēc
album: liktens vārdi kaverversija
album: debesīs
album: gaismas mirdzēja
album: vārdi atmiņās
album: tu esi
album: bez kontroles
album: piedošanu lūgt
album: mīlu tik stipri
album: tik ļoti
album: vēlos tevi
album: ziemassvētki nāk

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.621

Energy
type: PropertyValue
value: 0.307

Speechiness
type: PropertyValue
value: 0.03

Acousticness
type: PropertyValue
value: 0.553

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.309

Valence (Positivity)
type: PropertyValue
value: 0.356

Loudness (dB)
type: PropertyValue
value: -11.62

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

šai naktī
type: MusicAlbum
date published: 2025-10-19

dvēsele asarās
type: MusicAlbum
date published: 2025-10-21

mūsu sirdis
type: MusicAlbum
date published: 2025-10-21

viens skatiens
type: MusicAlbum
date published: 2025-10-22

jūras vējā
type: MusicAlbum
date published: 2025-10-24

kad atceries
type: MusicAlbum
date published: 2025-10-24

pērle
type: MusicAlbum
date published: 2025-10-25

mūžīgi
type: MusicAlbum
date published: 2025-10-26

laime plaukst
type: MusicAlbum
date published: 2025-10-26

cik ļoti tevi mīlētu
type: MusicAlbum
date published: 2025-10-28

tu paliki ar mani
type: MusicAlbum
date published: 2025-10-31

mīlestības jūtas
type: MusicAlbum
date published: 2025-11-01

vārdi uz melna
type: MusicAlbum
date published: 2025-11-01

tumšās dienas
type: MusicAlbum
date published: 2025-11-01

kāpēc
type: MusicAlbum
date published: 2025-11-01

liktens vārdi kaverversija
type: MusicAlbum
date published: 2025-11-01

debesīs
type: MusicAlbum
date published: 2025-11-02

gaismas mirdzēja
type: MusicAlbum
date published: 2025-11-02

vārdi atmiņās
type: MusicAlbum
date published: 2025-11-05

tu esi
type: MusicAlbum
date published: 2025-11-05

rakstu tev
type: MusicAlbum
date published: 2025-11-06

bez kontroles
type: MusicAlbum
date published: 2025-11-08

piedošanu lūgt
type: MusicAlbum
date published: 2025-11-09

mīlu tik stipri
type: MusicAlbum
date published: 2025-11-09

tik ļoti
type: MusicAlbum
date published: 2025-11-10

vēlos tevi
type: MusicAlbum
date published: 2025-11-12

ziemassvētki nāk
type: MusicAlbum
date published: 2025-11-12

laime mirdz
type: MusicAlbum
date published: 2025-11-13