María y Cosecha
type: MusicGroup
genre: folklore argentino
popularity: 5
followers: 1714
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x59e72ec1a9d4ea76853ad945f0cbaa2d0bc7a02fcd2b2f39d380fd46be79d230
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954631
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954631
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cf5621ec-075a-431e-a2f8-b4ababdaa8ee.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cf5621ec-075a-431e-a2f8-b4ababdaa8ee.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/cf5621ec-075a-431e-a2f8-b4ababdaa8ee
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T02:46:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x59e72ec1a9d4ea76853ad945f0cbaa2d0bc7a02fcd2b2f39d380fd46be79d230","name":"María y Cosecha","registered_at":"2026-06-21T00:30:31Z","symbol":"NIM1763864","token_address":"0xe50b7d8735b26d0bdd458383f7c9df5665f643dc","type":"artist","uuid":"cf5621ec-075a-431e-a2f8-b4ababdaa8ee"}
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 0x59e72ec1a9d4ea76853ad945f0cbaa2d0bc7a02fcd2b2f39d380fd46be79d230. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cf5621ec-075a-431e-a2f8-b4ababdaa8ee.json and https://artists.proofprofile.net/proofs/artist/cf5621ec-075a-431e-a2f8-b4ababdaa8ee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
  text: {"copyright_id":"0x59e72ec1a9d4ea76853ad945f0cbaa2d0bc7a02fcd2b2f39d380fd46be79d230","name":"María y Cosecha","registered_at":"2026-06-21T00:30:31Z","symbol":"NIM1763864","token_address":"0xe50b7d8735b26d0bdd458383f7c9df5665f643dc","type":"artist","uuid":"cf5621ec-075a-431e-a2f8-b4ababdaa8ee"}
album: Miradas
  type: MusicAlbum
  date published: 1999-12-01
album: Umbral
  type: MusicAlbum
  date published: 2010-03-10
album: Otra Vuelta
  type: MusicAlbum
  date published: 2010-05-20
album: Otra Vuelta
  type: MusicAlbum
  date published: 2012-03-01
album: Agosto
  type: MusicAlbum
  date published: 2017-10-03
  track: La Copla Triste
    type: MusicRecording
    duration: PT3M26S
    duration ms: 206151
    explicit: false
    by artist: María y Cosecha
    in album: Agosto
      type: MusicAlbum
      date published: 2017-10-03
    genre: folklore argentino
    isrc code: ARP321700005
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T15:22:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xac90595871ce3fc172e5bd4fdbbf230b35970382acc5a2eb8618803e1f93b55b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956826
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARP321700005
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0xac90595871ce3fc172e5bd4fdbbf230b35970382acc5a2eb8618803e1f93b55b. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/ARP321700005.
      date published: 2026-07-05T19:27:56Z
    audio: La Copla Triste
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.199
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.728
      additional property: Energy
        type: PropertyValue
        value: 0.529
      additional property: Speechiness
        type: PropertyValue
        value: 0.083
      additional property: Acousticness
        type: PropertyValue
        value: 0.757
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.1
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.606
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.958
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: El Corazón como Abrigo (Nuevas Músicas para Antiguas Danzas)
  type: MusicAlbum
  date published: 2025-07-18
  track: El Eco de Condorcanqui (Bailecito)
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183134
    explicit: false
    by artist: María y Cosecha
    in album: El Corazón como Abrigo (Nuevas Músicas para Antiguas Danzas)
      type: MusicAlbum
      date published: 2025-07-18
    genre: folklore argentino
    isrc code: ARP322500005
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T03:28:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5119a95cc839ead01ff403f2a0c6e599051b0c2450cff7a47113218bd66a981d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959094
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959094
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARP322500005
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T06:29:53Z
    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 0x5119a95cc839ead01ff403f2a0c6e599051b0c2450cff7a47113218bd66a981d. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T06:29:53Z), 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/ARP322500005.
      date published: 2026-07-22T06:29:53Z
    audio: El Eco de Condorcanqui (Bailecito)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.738
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.659
      additional property: Energy
        type: PropertyValue
        value: 0.373
      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

Speechiness
type: PropertyValue
value: 0.041

Acousticness
type: PropertyValue
value: 0.698

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.092

Valence (Positivity)
type: PropertyValue
value: 0.423

Loudness (dB)
type: PropertyValue
value: -8.597

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major