Francisco Lomuto
type: MusicGroup
genre: tango
description: Francisco Juan Lomuto (November 24, 1893 – December 23, 1950) was an Argentine Tango pianist, leader and composer who occasionally went by the pseudonym: "Pancho Laguna". Lomuto was born in the Parqu
popularity: 29
followers: 5579
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e49527c8269d2a2f1e49f5828bb5b70e6e434de1d92957e52888e2ff05520e4
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/de57e55e-f753-4545-acd2-88bb7940f32d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/de57e55e-f753-4545-acd2-88bb7940f32d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/de57e55e-f753-4545-acd2-88bb7940f32d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1e49527c8269d2a2f1e49f5828bb5b70e6e434de1d92957e52888e2ff05520e4","name":"Francisco Lomuto","registered_at":"2026-06-12T11:39:23Z","symbol":"NIM0286533","token_address":"0x09554d9f4c5df2cccb0ad554e5226f6395da043d","type":"artist","uuid":"de57e55e-f753-4545-acd2-88bb7940f32d"}
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 0x1e49527c8269d2a2f1e49f5828bb5b70e6e434de1d92957e52888e2ff05520e4. 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/de57e55e-f753-4545-acd2-88bb7940f32d.json and https://artists.proofprofile.net/proofs/artist/de57e55e-f753-4545-acd2-88bb7940f32d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x1e49527c8269d2a2f1e49f5828bb5b70e6e434de1d92957e52888e2ff05520e4","name":"Francisco Lomuto","registered_at":"2026-06-12T11:39:23Z","symbol":"NIM0286533","token_address":"0x09554d9f4c5df2cccb0ad554e5226f6395da043d","type":"artist","uuid":"de57e55e-f753-4545-acd2-88bb7940f32d"}
album: Ayer, en el Tango de Francisco Lomuto
  type: MusicAlbum
  date published: 1927-12-17
  track: Cuando Estaba Enamorado
    type: MusicRecording
    duration: PT2M19S
    duration ms: 139013
    explicit: false
    by artist: Francisco Lomuto
    in album: Ayer, en el Tango de Francisco Lomuto
      type: MusicAlbum
      date published: 1927-12-17
    genre: tango
    isrc code: DEZZ52171326
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T02:42:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x74ddce07b14ac49ad29e1842173666be4ed57952978643a027b70f91d63c7452
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958228
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958228
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZZ52171326
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T05:44:10Z
    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 0x74ddce07b14ac49ad29e1842173666be4ed57952978643a027b70f91d63c7452. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:44:10Z), 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/DEZZ52171326.
      date published: 2026-07-16T05:44:10Z
    audio: Cuando Estaba Enamorado
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 108.323
      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: 0.562
      additional property: Energy
        type: PropertyValue
        value: 0.293
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.966
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.016
      additional property: Liveness
        type: PropertyValue
        value: 0.209
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.82
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.858
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Por la Vuelta
    type: MusicRecording
    duration: PT2M30S
    duration ms: 150213
    explicit: false
    by artist: Francisco Lomuto
    in album: Ayer, en el Tango de Francisco Lomuto
      type: MusicAlbum
      date published: 1927-12-17
    genre: tango
    isrc code: DEZZ52171330
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T01:14:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8e4f0d791d0d6b74ee2408686bbe4d082d5032fca70f65366828840a21b0c4e3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956656
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956656
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZZ52171330
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T14:03:39Z
    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 0x8e4f0d791d0d6b74ee2408686bbe4d082d5032fca70f65366828840a21b0c4e3. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/DEZZ52171330.
      date published: 2026-07-04T14:03:39Z
    audio: Por la Vuelta
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 131.635
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.616
      additional property: Energy
        type: PropertyValue
        value: 0.107
      additional property: Speechiness
        type: PropertyValue
        value: 0.065
      additional property: Acousticness
        type: PropertyValue
        value: 0.995
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.827
      additional property: Liveness
        type: PropertyValue
        value: 0.145
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Criolla Linda
  track: Quiero Verte una Vez Más
  track: Sentimiento Gaucho
  track: Bajo un Cielo de Estrella
album: Ayer en el Tango
album: (1927-1930), Vol. 2
album: Serie 78 RPM: Francisco Lomuto Vol.1
album: Serie 78 RPM: Francisco Lomuto Vol.2
album: Buenos Aires Querido
album: Tango Classics 002: Acacias
album: Tango Classics 001: Rinconada de mis tiempos
album: Tango Collection
album: The Roots of Tango - Nostalgias
album: Best Hits Collection of Francisco Lomuto
album: Volumen 2 (1931-1932)
album: Guapito
album: Azabache
album: Tango Classics 375: Caricias (Historical Recordings)
album: Tango Classics 392: Solamente Ella (Historical Recordings)
album: Tango Classics 387: Galleguita (Historical Recordings)
album: Tango Classics 374: Despues Arreglamos (Historical Recordings)
album: Tango Classics 382: Tormenta (Historical Recordings)
album: Tango Classics 368: Puerto Nuevo (Historical Recordings)
album: Tango Classics 391: Ausencia Gris (Historical Recordings)
album: Tango Classics 362: Sueño de Poeta (Historical Recordings)
album: Tango Classics 364: Amargor (Historical Recordings)
album: Tango Classics 386: Isabelita (Historical Recordings)
album: Tango Classics 366: Papanata (Historical Recordings)
album: Tango Classics 370: Perfume Gaucho (Historical Recordings)
album: Tango Classics 361: Bigotito (Historical Recordings)
album: Tango Classics 369: Azul y Blanca (Historical Recordings)
album: Tango Classics 360: Zorro Gris (Historical Recordings)
album: Tango Classics 394: Rendido (Historical Recordings)
album: Tango Classics 383: Tango Amigo (Historical Recordings)
album: Tango Classics 381: Por la Vuelta (Historical Recordings)
album: Tango Classics 396: Muñequita (Historical Recordings)
album: Tango Classics 390: Mi Reflexion (Historical Recordings)
album: Tango Classics 395: Diez Años Pasan (Historical Recordings)
album: Tango Classics 379: Desaliento (Historical Recordings)
album: Tango Classics 378: El 13 (Historical Recordings)
album: Tango Classics 372: Volvio una Noche (Historical Recordings)
album: Tango Classics 385: Llanto (Historical Recordings)
album: Tango Classics 365: Rencor (Historical Recordings)
album: Tango Classics 363: San Telmo (Historical Recordings)
album: Tango Classics 389: Rosas Negras (Historical Recordings)
album: Tango Classics 373: Luna de Arrabal (Historical Recordings)
album: Tango Classics 367: Churrasca (Historical Recordings)
album: Tango Classics 388: La Gayola (Historical Recordings)
album: Tango Classics 397: Con Mi Perro (Historical Recordings)
album: Tango Classics 377: Condena (Historical Recordings)
album: Tango Classics 376: Nostalgias (Historical Recordings)
album: Tango Classics 384: Como las Aves (Historical Recordings)
album: Tango Classics 380: Golgota (Historical Recordings)
album: Tango Classics 393: Serenata (Historical Recordings)
album: Tango Classics 371: Muñeca Querida (Historical Recordings)
album: 40 Grandes Exitos
album: Maestros del Tango
album: Alma de Bandoneón
album: Tango Argentino (1927-1930)
album: Lagrimitas
album: Bigotito
album: Misa De Once
album: Fumando Espero
album: 50 Éxitos Instrumentales
album: Cobardia
album: Los Tangos de Pancho Laguna (Remastered)

Valence (Positivity)
type: PropertyValue
value: 0.785

Loudness (dB)
type: PropertyValue
value: -15.85

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Criolla Linda
type: MusicRecording
duration: PT2M33S
duration ms: 153773
explicit: false
by artist: Francisco Lomuto
in album: Ayer, en el Tango de Francisco Lomuto
  type: MusicAlbum
  date published: 1927-12-17
genre: tango
isrc code: DEZZ52171332
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-29T12:45:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ba57c22760111301733cb54b7a43a8b51ed11e2073b703a265ac15331b2a388
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZZ52171332
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
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 0x1ba57c22760111301733cb54b7a43a8b51ed11e2073b703a265ac15331b2a388. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/DEZZ52171332.
  date published: 2026-07-02T16:51:38Z
audio: Criolla Linda
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.796
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.738
  additional property: Energy
    type: PropertyValue
    value: 0.281
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.936
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.643
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.715
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.155
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Quiero Verte una Vez Más
type: MusicRecording
duration: PT2M26S
duration ms: 146973
explicit: false
by artist: Francisco Lomuto
in album: Ayer, en el Tango de Francisco Lomuto
  type: MusicAlbum
  date published: 1927-12-17
genre: tango
isrc code: DEZZ52171333
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T04:57:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2fded685d4143b88c80c1ef3a473a686964a85e8316781c44a968e6652097014
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZZ52171333
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T07:58:16Z
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 0x2fded685d4143b88c80c1ef3a473a686964a85e8316781c44a968e6652097014. Chain 2 (Bitcoin): anchored in block 958368 (2026-07-17T07:58:16Z), 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/DEZZ52171333.
  date published: 2026-07-17T07:58:16Z
audio: Quiero Verte una Vez Más
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.689
  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: 0.508
  additional property: Energy
    type: PropertyValue
    value: 0.171
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.194
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.518
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.775
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sentimiento Gaucho
type: MusicRecording
duration: PT2M53S
duration ms: 173173
explicit: false
by artist: Francisco Lomuto
in album: Ayer, en el Tango de Francisco Lomuto
  type: MusicAlbum
  date published: 1927-12-17
genre: tango
isrc code: DEZZ52171334
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T18:12:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4252a3b76bc7e5af7e58ad925c956f1e35da0f2b945f2eb947512bc1249a9f8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958185
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958185
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZZ52171334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T18:19:04Z
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 0xa4252a3b76bc7e5af7e58ad925c956f1e35da0f2b945f2eb947512bc1249a9f8. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), 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/DEZZ52171334.
  date published: 2026-07-15T18:19:04Z
audio: Sentimiento Gaucho
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.457
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.747
  additional property: Energy
    type: PropertyValue
    value: 0.19
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.913
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.517
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.612
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.23
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bajo un Cielo de Estrella
type: MusicRecording
duration: PT2M48S
duration ms: 168973
explicit: false
by artist: Francisco Lomuto
in album: Ayer, en el Tango de Francisco Lomuto
  type: MusicAlbum
  date published: 1927-12-17
genre: tango
isrc code: DEZZ52171341
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T19:13:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x038e18ef8f7d3fb1ac85ff7d9113d4ce2deadf72558b44dfb6fc14adc46dddd6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZZ52171341
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
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 0x038e18ef8f7d3fb1ac85ff7d9113d4ce2deadf72558b44dfb6fc14adc46dddd6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/DEZZ52171341.
  date published: 2026-07-02T16:51:38Z
audio: Bajo un Cielo de Estrella
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.543
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
    type: PropertyValue
    value: 0.732
  additional property: Energy
    type: PropertyValue
    value: 0.291
  additional property: Speechiness
    type: PropertyValue
    value: 0.077
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.475
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.814
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.631
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ayer en el Tango
type: MusicAlbum
date published: 1959-09-15

(1927-1930), Vol. 2
type: MusicAlbum
date published: 1995

Serie 78 RPM: Francisco Lomuto Vol.1
type: MusicAlbum
date published: 2004-07-15
track: Que Tiempo Aquel
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151080
  explicit: false
  by artist: Francisco Lomuto
  in album: Serie 78 RPM: Francisco Lomuto Vol.1
    type: MusicAlbum
    date published: 2004-07-15
  genre: tango
  isrc code: ARF030400016
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T10:11:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7507eef3bf867c4ee3e989a0ad55a6a997193705fa05a9dd64fc91a2f35e8a1a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958996
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958996
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF030400016
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T13:08:54Z
  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 0x7507eef3bf867c4ee3e989a0ad55a6a997193705fa05a9dd64fc91a2f35e8a1a. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T13:08:54Z), 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/ARF030400016.
    date published: 2026-07-21T13:08:54Z
  audio: Que Tiempo Aquel
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 96.161
    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: 0.869
    additional property: Energy
      type: PropertyValue
      value: 0.55
    additional property: Speechiness
      type: PropertyValue
      value: 0.075
    additional property: Acousticness
      type: PropertyValue
      value: 0.979
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.09
    additional property: Liveness
      type: PropertyValue
      value: 0.046
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.937
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.493
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Serie 78 RPM: Francisco Lomuto Vol.2
type: MusicAlbum
date published: 2005-07-15
track: Aqui Me Pongo A Cantar
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136533
  explicit: false
  by artist: Francisco Lomuto
  in album: Serie 78 RPM: Francisco Lomuto Vol.2
    type: MusicAlbum
    date published: 2005-07-15
  genre: tango
  isrc code: ARF034500055
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T16:52:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8e578f032e0b27c50fa03393f5dc96c62c5f44de75608599c2c5dd580f29b283
  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/ARF034500055
  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 0x8e578f032e0b27c50fa03393f5dc96c62c5f44de75608599c2c5dd580f29b283. 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/ARF034500055.
    date published: 2026-07-05T19:27:56Z
  audio: Aqui Me Pongo A Cantar
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 116.291
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.707
    additional property: Energy
      type: PropertyValue
      value: 0.405
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.976
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.867
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.761
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.509
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Buenos Aires Querido
type: MusicAlbum
date published: 2008-05-12

Tango Classics 002: Acacias
type: MusicAlbum
date published: 2010-05-21

Tango Classics 001: Rinconada de mis tiempos
type: MusicAlbum
date published: 2010-05-21

Tango Collection
type: MusicAlbum
date published: 2011-11-11

The Roots of Tango - Nostalgias
type: MusicAlbum
date published: 2012-04-10
track: Nostalgias
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184495
  explicit: false
  by artist: Francisco Lomuto
  in album: The Roots of Tango - Nostalgias
    type: MusicAlbum
    date published: 2012-04-10
  genre: tango
  isrc code: DEBL61232336
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T21:36:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6e331620f5f7b97871249b9843074c4f49cff863f1f67ecc6c8c1a69f5335e39
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956420
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956420
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEBL61232336
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T00:42:11Z
  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 0x6e331620f5f7b97871249b9843074c4f49cff863f1f67ecc6c8c1a69f5335e39. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/DEBL61232336.
    date published: 2026-07-03T00:42:11Z
  audio: Nostalgias
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 121.908
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.671
    additional property: Energy
      type: PropertyValue
      value: 0.192
    additional property: Speechiness
      type: PropertyValue
      value: 0.063
    additional property: Acousticness
      type: PropertyValue
      value: 0.976
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.67
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.036
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Best Hits Collection of Francisco Lomuto
type: MusicAlbum
date published: 2014-05-02

Best Hits Collection of Francisco Lomuto
type: MusicAlbum
date published: 2014-05-26

Volumen 2 (1931-1932)
type: MusicAlbum
date published: 2014-07-17

Guapito
type: MusicAlbum
date published: 2014-10-25

Azabache
type: MusicAlbum
date published: 2014-10-25

Tango Classics 375: Caricias (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 392: Solamente Ella (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 387: Galleguita (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 374: Despues Arreglamos (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 382: Tormenta (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05
track: Milongon
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136423
  explicit: false
  by artist: Francisco Lomuto
  in album: Tango Classics 382: Tormenta (Historical Recordings)
    type: MusicAlbum
    date published: 2014-12-05
  genre: tango
  isrc code: DEN721406396
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T00:31:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7ec8254375867e432d6f1ed5ab0c074f3c01793c1ed9b639bc07d3beccf41e2e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958633
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958633
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN721406396
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T00:54:50Z
  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 0x7ec8254375867e432d6f1ed5ab0c074f3c01793c1ed9b639bc07d3beccf41e2e. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/DEN721406396.
    date published: 2026-07-19T00:54:50Z
  audio: Milongon
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.421
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.756
    additional property: Energy
      type: PropertyValue
      value: 0.569
    additional property: Speechiness
      type: PropertyValue
      value: 0.056
    additional property: Acousticness
      type: PropertyValue
      value: 0.963
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.018
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.968
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.822
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Tango Classics 368: Puerto Nuevo (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 391: Ausencia Gris (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 362: Sueño de Poeta (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 364: Amargor (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 386: Isabelita (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 366: Papanata (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 370: Perfume Gaucho (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 361: Bigotito (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 369: Azul y Blanca (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 360: Zorro Gris (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 386: Isabelita (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 394: Rendido (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 383: Tango Amigo (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 381: Por la Vuelta (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 396: Muñequita (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 394: Rendido (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 390: Mi Reflexion (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 395: Diez Años Pasan (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 379: Desaliento (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 378: El 13 (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 372: Volvio una Noche (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 385: Llanto (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 365: Rencor (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 363: San Telmo (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 370: Perfume Gaucho (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 389: Rosas Negras (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05
track: Rosas Negras
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136655
  explicit: false
  by artist: Francisco Lomuto
  in album: Tango Classics 389: Rosas Negras (Historical Recordings)
    type: MusicAlbum
    date published: 2014-12-05
  genre: tango
  isrc code: DEN721406455
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T20:18:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb96302efcc18334a812e4ef3df017b1f67ca8e164ac8962d82ca00c724242dd6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958322
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958322
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN721406455
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T23:23:57Z
  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 0xb96302efcc18334a812e4ef3df017b1f67ca8e164ac8962d82ca00c724242dd6. Chain 2 (Bitcoin): anchored in block 958322 (2026-07-16T23:23:57Z), 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/DEN721406455.
    date published: 2026-07-16T23:23:57Z
  audio: Rosas Negras
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.484
    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: 0.623
    additional property: Energy
      type: PropertyValue
      value: 0.353
    additional property: Speechiness
      type: PropertyValue
      value: 0.072
    additional property: Acousticness
      type: PropertyValue
      value: 0.995
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.63
    additional property: Liveness
      type: PropertyValue
      value: 0.174
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.764
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.578
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Tango Classics 373: Luna de Arrabal (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 367: Churrasca (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 379: Desaliento (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 388: La Gayola (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 397: Con Mi Perro (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 381: Por la Vuelta (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05
track: La Melodia de Nuestro Adios
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142454
  explicit: false
  by artist: Francisco Lomuto
  in album: Tango Classics 381: Por la Vuelta (Historical Recordings)
    type: MusicAlbum
    date published: 2014-12-05
  genre: tango
  isrc code: DEN721406380
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T03:38:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x85277dad7009fbe8833dd85c002dca01e8220e3a3c2fd1ad3f6fea8cf39ffd97
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958823
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958823
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN721406380
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T06:40:18Z
  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 0x85277dad7009fbe8833dd85c002dca01e8220e3a3c2fd1ad3f6fea8cf39ffd97. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T06:40:18Z), 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/DEN721406380.
    date published: 2026-07-20T06:40:18Z
  audio: La Melodia de Nuestro Adios
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.749
    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: 0.638
    additional property: Energy
      type: PropertyValue
      value: 0.142
    additional property: Speechiness
      type: PropertyValue
      value: 0.063
    additional property: Acousticness
      type: PropertyValue
      value: 0.975
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.005
    additional property: Liveness
      type: PropertyValue
      value: 0.118
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.737
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.665
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Tango Classics 377: Condena (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 376: Nostalgias (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 384: Como las Aves (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 380: Golgota (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 393: Serenata (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 371: Muñeca Querida (Historical Recordings)
type: MusicAlbum
date published: 2014-12-05

Tango Classics 382: Tormenta (Historical Recordings)
type: MusicAlbum
date published: 2014-12-12

Tango Classics 380: Golgota (Historical Recordings)
type: MusicAlbum
date published: 2014-12-12

Tango Classics 375: Caricias (Historical Recordings)
type: MusicAlbum
date published: 2014-12-12

Tango Classics 390: Mi Reflexion (Historical Recordings)
type: MusicAlbum
date published: 2015-01-23

Tango Classics 391: Ausencia Gris (Historical Recordings)
type: MusicAlbum
date published: 2015-02-20

Tango Classics 384: Como las Aves (Historical Recordings)
type: MusicAlbum
date published: 2015-02-20

40 Grandes Exitos
type: MusicAlbum
date published: 2015-02-25

Maestros del Tango
type: MusicAlbum
date published: 2015-11-30
track: Nostalgias
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184226
  explicit: false
  by artist: Francisco Lomuto
  in album: Maestros del Tango
    type: MusicAlbum
    date published: 2015-11-30
  genre: tango
  isrc code: ARA821511910
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T07:49:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x29c4e147a963df99f76a2920e4ad3411fce310a91a58a374b5aa1f83836c4645
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959114
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959114
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARA821511910
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T08:41:42Z
  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 0x29c4e147a963df99f76a2920e4ad3411fce310a91a58a374b5aa1f83836c4645. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/ARA821511910.
    date published: 2026-07-22T08:41:42Z
  audio: Nostalgias
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 121.863
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.677
    additional property: Energy
      type: PropertyValue
      value: 0.099
    additional property: Speechiness
      type: PropertyValue
      value: 0.101
    additional property: Acousticness
      type: PropertyValue
      value: 0.981
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.007
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.688
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.174
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Dímelo al Oído
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161866
  explicit: false
  by artist: Francisco Lomuto
  in album: Maestros del Tango
    type: MusicAlbum
    date published: 2015-11-30
  genre: tango
  isrc code: ARA821511923
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T14:04:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x656e3dc973bca1fab2dea3edada9b563fd5f71cc70d3b34cb0ee865b2fd43884
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958563
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958563
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARA821511923
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T14:29:03Z
  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 0x656e3dc973bca1fab2dea3edada9b563fd5f71cc70d3b34cb0ee865b2fd43884. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/ARA821511923.
    date published: 2026-07-18T14:29:03Z
  audio: Dímelo al Oído
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 125.639
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.645
    additional property: Energy
      type: PropertyValue
      value: 0.082
    additional property: Speechiness
      type: PropertyValue
      value: 0.09
    additional property: Acousticness
      type: PropertyValue
      value: 0.975
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.003
    additional property: Liveness
      type: PropertyValue
      value: 0.082
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.628
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.42
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Alma de Bandoneón
type: MusicAlbum
date published: 2016-03-09

Tango Argentino (1927-1930)
type: MusicAlbum
date published: 2016-05-23

Lagrimitas
type: MusicAlbum
date published: 2016-05-26

Bigotito
type: MusicAlbum
date published: 2016-05-31

Misa De Once
type: MusicAlbum
date published: 2016-07-21

Fumando Espero
type: MusicAlbum
date published: 2016-09-06

50 Éxitos Instrumentales
type: MusicAlbum
date published: 2018-08-27

Guapito
type: MusicAlbum
date published: 2018-09-05

Azabache
type: MusicAlbum
date published: 2019-02-13

Guapito
type: MusicAlbum
date published: 2019-02-19

Cobardia
type: MusicAlbum
date published: 2019-02-19

Los Tangos de Pancho Laguna (Remastered)
type: MusicAlbum
date published: 2020-07-17

Churrasca
type: MusicAlbum
date published: 2022-05-10

Soy un Pobre Gaucho
type: MusicAlbum
date published: 2022-06-03

Marioneta
type: MusicAlbum
date published: 2022-06-03

Nostalgias
type: MusicAlbum
date published: 2022-06-08

Mano a Mano
type: MusicAlbum
date published: 2022-06-10

Hay Que Aprender a Bailar
type: MusicAlbum
date published: 2022-06-10

Muñequita
type: MusicAlbum
date published: 2022-06-10

Nunca Más
type: MusicAlbum
date published: 2022-06-10

Buenos Aires Querido
type: MusicAlbum
date published: 2022-06-10

Amor y Celos
type: MusicAlbum
date published: 2022-06-10

En la Tranquera
type: MusicAlbum
date published: 2022-06-10

Deje Que la Acompañe
type: MusicAlbum
date published: 2022-06-10

Caminito
type: MusicAlbum
date published: 2022-06-10

San Telmo
type: MusicAlbum
date published: 2022-06-10

Pinta Maleva
type: MusicAlbum
date published: 2022-06-10

Madre Selva
type: MusicAlbum
date published: 2022-06-10

Nunca
type: MusicAlbum
date published: 2022-06-10

A la Gran Muñeca
type: MusicAlbum
date published: 2022-06-10

La Cumparsita
type: MusicAlbum
date published: 2022-06-10

Mis Horas Tristes
type: MusicAlbum
date published: 2022-06-10

Musica Tanguera
type: MusicAlbum
date published: 2022-06-24

Varios - Lomuto Vs Tucci
type: MusicAlbum
date published: 2022-07-22

Epoca De Oro 1931-1941
type: MusicAlbum
date published: 2024-01-26

Los Ojos Más Lindos (Remastered)
type: MusicAlbum
date published: 2024-12-01

Infierno de Tango - El Fuego Inolvidable de Francisco Lomuto
type: MusicAlbum
date published: 2025-01-24

Vol. 1 (1926-1929)
type: MusicAlbum
date published: 2025-05-19

Vol. 2 (1927-1929)
type: MusicAlbum
date published: 2025-05-21

Vol. 3 (1927-1930)
type: MusicAlbum
date published: 2025-05-23

Vol. 4 (1927-1930)
type: MusicAlbum
date published: 2025-05-25

Vol. 5 (1927-1930)
type: MusicAlbum
date published: 2025-05-27

Vol. 6 (1927-1930)
type: MusicAlbum
date published: 2025-05-29

Vol. 7 (1927-1931)
type: MusicAlbum
date published: 2025-05-31

Vol. 8 (1931)
type: MusicAlbum
date published: 2025-06-02

Vol. 9 (1931-1932)
type: MusicAlbum
date published: 2025-06-03

Romantic Tango Nights - Vintage Argentine Classics by Francisco Lomuto
type: MusicAlbum
date published: 2025-10-24