MarFly
type: MusicGroup
popularity: 30
followers: 2949
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2aa318fc02bc5fdc975e30374311a9bf49021469b8bec4dae1c51cd2a9a45f1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/529dbaa4-55c7-410a-87c5-5c410558611f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/529dbaa4-55c7-410a-87c5-5c410558611f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/529dbaa4-55c7-410a-87c5-5c410558611f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0xc2aa318fc02bc5fdc975e30374311a9bf49021469b8bec4dae1c51cd2a9a45f1. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/529dbaa4-55c7-410a-87c5-5c410558611f.json and https://artists.proofprofile.net/proofs/artist/529dbaa4-55c7-410a-87c5-5c410558611f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: Morfina
  type: MusicAlbum
  date published: 2021-04-18
album: Morfina
  type: MusicAlbum
  date published: 2021-04-20
album: Flying
  type: MusicAlbum
  date published: 2021-05-21
album: 888
  type: MusicAlbum
  date published: 2021-07-18
album: 888
  type: MusicAlbum
  date published: 2021-07-18
album: K.o
  type: MusicAlbum
  date published: 2021-10-08
album: Deja Vu
  type: MusicAlbum
  date published: 2021-11-15
album: Era 33
  type: MusicAlbum
  date published: 2021-12-02
  track: Era 33
    type: MusicRecording
    duration: PT2M37S
    duration ms: 157916
    explicit: false
    by artist: MarFly
    in album: Era 33
      type: MusicAlbum
      date published: 2021-12-02
    isrc code: QZPLS2199642
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T22:33:14+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xaac9803eeb93fbd3f947a9e39afc556b9eae7aaced81b4dd8b7870e5e04c3ca1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958793
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958793
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPLS2199642
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T01:35:39Z
    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 0xaac9803eeb93fbd3f947a9e39afc556b9eae7aaced81b4dd8b7870e5e04c3ca1. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:35:39Z), 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/QZPLS2199642.
      date published: 2026-07-20T01:35:39Z
    audio: Era 33
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 122.746
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.93
      additional property: Energy
        type: PropertyValue
        value: 0.633
      additional property: Speechiness
        type: PropertyValue
        value: 0.406
      additional property: Acousticness
        type: PropertyValue
        value: 0.158
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.108
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.312
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.381
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Era 33
  type: MusicAlbum
  date published: 2021-12-03
album: Dystopia
  type: MusicAlbum
  date published: 2022-01-04
album: Dystopia
  type: MusicAlbum
  date published: 2022-01-08
album: Antes de que el mundo explote
  type: MusicAlbum
  date published: 2022-03-05
album: Antes de que el mundo explote
  type: MusicAlbum
  date published: 2022-03-05
album: Niv3l
  type: MusicAlbum
  date published: 2022-04-06
album: Niv3l
  type: MusicAlbum
  date published: 2022-04-18
album: sycozis
  type: MusicAlbum
  date published: 2022-06-03
album: Xulita
  type: MusicAlbum
  date published: 2022-08-12
album: t jur0 q no m agüito :’(
  type: MusicAlbum
  date published: 2022-09-11
  track: Mood
    type: MusicRecording
    duration: PT3M47S
    duration ms: 227942
    explicit: false
    by artist: MarFly
    in album: t jur0 q no m agüito :’(
      type: MusicAlbum
      date published: 2022-09-11
    isrc code: QZNWW2287878
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T08:08:51+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x58f3406fd9afbfcf3278a8bd05995fb5a10aadf8162d3f3fc65311930b7d29a4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWW2287878
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Mood
album: Moon
album: Aura
album: aura
album: No duele tanto
album: Tiffany
album: dywm?
album: True Love
album: 120.mp3
album: X ti
album: 2003

OTSTimestamp
type: PropertyValue
value: 2026-07-05T10:01:46Z

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 0x58f3406fd9afbfcf3278a8bd05995fb5a10aadf8162d3f3fc65311930b7d29a4. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZNWW2287878.
date published: 2026-07-05T10:01:46Z

Mood
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 120.018
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.802
additional property: Energy
  type: PropertyValue
  value: 0.606
additional property: Speechiness
  type: PropertyValue
  value: 0.069
additional property: Acousticness
  type: PropertyValue
  value: 0.158
additional property: Instrumentalness
  type: PropertyValue
  value: 0.628
additional property: Liveness
  type: PropertyValue
  value: 0.101
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.484
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.83
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

t jur0 q no m agüito :’(
type: MusicAlbum
date published: 2022-09-23

Moon
type: MusicAlbum
date published: 2023-01-13

Aura
type: MusicAlbum
date published: 2023-08-25

aura
type: MusicAlbum
date published: 2023-08-26

No duele tanto
type: MusicAlbum
date published: 2024-01-05

No duele tanto
type: MusicAlbum
date published: 2024-01-06

Moon
type: MusicAlbum
date published: 2024-03-04
track: Moon
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160083
  explicit: true
  by artist: MarFly
  in album: Moon
    type: MusicAlbum
    date published: 2024-03-04
  isrc code: QZFYY2385942
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T11:50:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8e12e97e12b679f3b09e8955356ba5ba6553b8fae3baa669cebfe1f8050affbf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYY2385942
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T12:24:55Z
  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 0x8e12e97e12b679f3b09e8955356ba5ba6553b8fae3baa669cebfe1f8050affbf. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZFYY2385942.
    date published: 2026-07-19T12:24:55Z
  audio: Moon
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.948
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.742
    additional property: Energy
      type: PropertyValue
      value: 0.673
    additional property: Speechiness
      type: PropertyValue
      value: 0.08
    additional property: Acousticness
      type: PropertyValue
      value: 0.07
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.116
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.784
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.067
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

sycozis
type: MusicAlbum
date published: 2024-03-04
track: sycozis
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172959
  explicit: false
  by artist: MarFly
  in album: sycozis
    type: MusicAlbum
    date published: 2024-03-04
  isrc code: QZHNB2241608
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T09:49:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x45e580d45f4c2cd61af33361913616daf5f956f42a62f5c427ff4945183c9a00
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956790
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956790
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2241608
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T12:31:54Z
  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 0x45e580d45f4c2cd61af33361913616daf5f956f42a62f5c427ff4945183c9a00. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZHNB2241608.
    date published: 2026-07-05T12:31:54Z
  audio: sycozis
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.038
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.983
    additional property: Energy
      type: PropertyValue
      value: 0.4
    additional property: Speechiness
      type: PropertyValue
      value: 0.098
    additional property: Acousticness
      type: PropertyValue
      value: 0.145
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.117
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.521
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.877
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Tiffany
type: MusicAlbum
date published: 2025-01-18

dywm?
type: MusicAlbum
date published: 2025-03-09

True Love
type: MusicAlbum
date published: 2025-06-16

120.mp3
type: MusicAlbum
date published: 2025-07-04

X ti
type: MusicAlbum
date published: 2025-10-07

2003
type: MusicAlbum
date published: 2025-10-15