Orquesta Tipica Victor
type: MusicGroup
genre: tango
popularity: 29
followers: 5255
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xf91358c3e9fee5ade4dca4c5edee16610944fe520d2f173e9cb7dda72e49324a
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/1dd50e5c-6172-40fa-95b1-9b9fdec72717.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1dd50e5c-6172-40fa-95b1-9b9fdec72717.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1dd50e5c-6172-40fa-95b1-9b9fdec72717
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0xf91358c3e9fee5ade4dca4c5edee16610944fe520d2f173e9cb7dda72e49324a","name":"Orquesta Tipica Victor","registered_at":"2026-06-11T13:50:35Z","symbol":"NIM0040085","token_address":"0x1dcaccc33fabb001e17d840ca4367f64b531260a","type":"artist","uuid":"1dd50e5c-6172-40fa-95b1-9b9fdec72717"}
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 0xf91358c3e9fee5ade4dca4c5edee16610944fe520d2f173e9cb7dda72e49324a. 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/1dd50e5c-6172-40fa-95b1-9b9fdec72717.json and https://artists.proofprofile.net/proofs/artist/1dd50e5c-6172-40fa-95b1-9b9fdec72717.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0xf91358c3e9fee5ade4dca4c5edee16610944fe520d2f173e9cb7dda72e49324a","name":"Orquesta Tipica Victor","registered_at":"2026-06-11T13:50:35Z","symbol":"NIM0040085","token_address":"0x1dcaccc33fabb001e17d840ca4367f64b531260a","type":"artist","uuid":"1dd50e5c-6172-40fa-95b1-9b9fdec72717"}
album: Historia de la Orquesta Típica Víctor
  type: MusicAlbum
  date published: 1980-04-08
album: (1929-1930), Vol. 10
  type: MusicAlbum
  date published: 1995
album: 1930-1931, Vol. 12
  type: MusicAlbum
  date published: 1998
album: Orquesta Tipica Victor - RCA Victor 100 Años
  type: MusicAlbum
  date published: 2001-04-26
  track: Ventarrón
    type: MusicRecording
    duration: PT2M59S
    duration ms: 179960
    explicit: false
    by artist: Orquesta Tipica Victor
    in album: Orquesta Tipica Victor - RCA Victor 100 Años
      type: MusicAlbum
      date published: 2001-04-26
    genre: tango
    isrc code: ARF030101453
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-30T00:00:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x408d8601a16a7e82d4cb02972e7ff042ce400b9d5c92abfbcc71c4a70a7b83d5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956560
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF030101453
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T23:28:02Z
    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 0x408d8601a16a7e82d4cb02972e7ff042ce400b9d5c92abfbcc71c4a70a7b83d5. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/ARF030101453.
      date published: 2026-07-03T23:28:02Z
    audio: Ventarrón
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 125.903
      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: 0.664
      additional property: Energy
        type: PropertyValue
        value: 0.196
      additional property: Speechiness
        type: PropertyValue
        value: 0.043
      additional property: Acousticness
        type: PropertyValue
        value: 0.985
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.009
      additional property: Liveness
        type: PropertyValue
        value: 0.434
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.566
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.904
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: (1931), Vol. 13
  type: MusicAlbum
  date published: 2002
album: Serie 78 RPM: Orquesta Típica Victor Vol.2
  type: MusicAlbum
  date published: 2004-07-15
  track: El Chamuyo
    type: MusicRecording
    duration: PT2M43S
    duration ms: 163480
    explicit: false
    by artist: Orquesta Tipica Victor
    in album: Serie 78 RPM: Orquesta Típica Victor Vol.2
      type: MusicAlbum
      date published: 2004-07-15
    genre: tango
    isrc code: ARF039902213
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
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      value: 2026-07-18T09:13:52+00:00
    additional property: CopyrightChainExplorerURL
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      value: https://explorer.copyrightchains.com/tx/0xcbc57e94777170ede2e5db59f58ac8ad944f9d4e23a18a0d879f06b28bc6e3f3
    additional property: OTSHash
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      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
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      value: https://blockstream.info/api/block-height/958529
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF039902213
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T09:21:41Z
    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 0xcbc57e94777170ede2e5db59f58ac8ad944f9d4e23a18a0d879f06b28bc6e3f3. Chain 2 (Bitcoin): anchored in block 958529 (2026-07-18T09:21:41Z), 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/ARF039902213.
      date published: 2026-07-18T09:21:41Z
    audio: El Chamuyo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 119.078
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.881
      additional property: Energy
        type: PropertyValue
        value: 0.34
      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
  track: Ventarrón
  track: Adios Buenos Aires
  track: Intima
  track: Mi Tanza De Cafe
  track: Bajo El Cono Azul
album: Serie 78 RPM: Orquesta Típica Victor Vol.1
album: Tango Legends, Vol. 13
album: Sin Rumbo Fijo
album: Tangos de la Guardia Vieja
album: The History of Tango / Orquesta Tipica Victor / Recordings 1926 - 1940
album: Tango Collection
album: The Roots Of Tango - Recuerdo
album: Para la Historia
album: Recuerdo
album: Puente Alsina
album: 1930-1944
album: Retintin
album: Ventarron
album: Temo
album: Cardos
album: 1929-1944
album: (1927), Vol. 5
album: Tu olvido (Historical Recordings)
album: Sonsa (Historical Recordings)
album: Viento Norte (Historical Recordings)
album: La Payanca (Historical Recordings)
album: Tango Milonguero
album: Maestros del Tango
album: (1931-1932), Vol. 14
album: (1930), Vol. 11
album: Memorial del Tango
album: Carta Brava (1926-1927)
album: Música de Calesita (1926-1932)
album: (1933-1934), Vol. 17
album: (1933-1934), Vol. 18
album: (1940-1941), Vol. 22
album: (1943-1944), Vol. 23
album: (1938-1939), Vol. 21
album: (1933), Vol. 16
album: (1927-1934)
album: (1937), Vol. 19
album: (1937-1938), Vol. 20
album: Derecho Viejo (1931-1943)
album: Viejo Arrabal (1931-1932)
album: La Serenata (1930-1931)
album: Orquesta Tipica Victor 1925-1934
album: Aquella Orquesta Tipica Victor Con Sus Cantores
album: Ofrenda Gaucha: Y Te Dejé Llorando (Instrumental)
album: Ofrenda Gaucha: Viejo Rincón (Instrumental)
album: Tangos Inmortales
album: Zorzales de Antaño… Engominado
album: Zorzales de Antaño… Pena Calé
album: Vol. 1 (1925-1926)
album: Vol. 2 (1926)
album: Vol. 3 (1926-1927)
album: Vol. 4 (1927)
album: Vol. 5 (1927)
album: Vol. 6 (1927-1928)
album: Vol. 7 (1928)
album: Vol. 8 (1928-1929)
album: Vol. 9 (1929)
track: Adios Buenos Aires
track: Sin rumbo fijo

Coqueta
type: MusicRecording
duration: PT2M46S
duration ms: 166680
explicit: false
by artist: Orquesta Tipica Victor
in album: Maestros del Tango
  type: MusicAlbum
  date published: 2015-11-30
genre: tango
isrc code: ARA821511939
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:42:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb65e3abe74ccd692234bfff19cfcb4cfa12ee62380acb084096670a155e761e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARA821511939
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb65e3abe74ccd692234bfff19cfcb4cfa12ee62380acb084096670a155e761e6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ARA821511939.
  date published: 2026-07-08T03:22:41Z
audio: Coqueta
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.579
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.706
  additional property: Energy
    type: PropertyValue
    value: 0.113
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.751
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.642
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.541
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Viento Norte
type: MusicRecording
duration: PT2M44S
duration ms: 164906
explicit: false
by artist: Orquesta Tipica Victor
in album: Maestros del Tango
  type: MusicAlbum
  date published: 2015-11-30
genre: tango
isrc code: ARA821511943
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:16:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73d23d40945027756bf710f678c617e0618d37f060866a08966b8c886c5af20f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARA821511943
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d23d40945027756bf710f678c617e0618d37f060866a08966b8c886c5af20f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ARA821511943.
  date published: 2026-07-08T08:56:20Z
audio: Viento Norte
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.852
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.855
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.996
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.618
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.424
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Secreto
type: MusicRecording
duration: PT2M44S
duration ms: 164200
explicit: false
by artist: Orquesta Tipica Victor
in album: Maestros del Tango
  type: MusicAlbum
  date published: 2015-11-30
genre: tango
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f10119774b4bc6fea495cc9fbbed62e3784de7b6276514c8696652657ac3322. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/ARA821511948.
  date published: 2026-07-31T03:15:04Z
audio: Secreto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.061
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.713
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.244
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: ARA821511948
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARA821511948
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960340
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960340
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T03:15:04+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Adiós Argentina
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duration: PT2M57S
duration ms: 177226
explicit: false
by artist: Orquesta Tipica Victor
in album: (1927-1934)
  type: MusicAlbum
  date published: 2016-05-06
genre: tango
isrc code: ARA821670029
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARA821670029
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3aaed79876e3c61cd2d6473f71d4d610d63d69e6ad24a8333a6c43d77ce4d42. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ARA821670029.
  date published: 2026-07-08T03:22:41Z
audio: Adiós Argentina
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.889
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.702
  additional property: Energy
    type: PropertyValue
    value: 0.336
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.452
  additional property: Liveness
    type: PropertyValue
    value: 0.054
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.71
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.632
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Adios Buenos Aires
type: MusicRecording
duration: PT2M35S
duration ms: 155480
explicit: false
by artist: Orquesta Tipica Victor
by artist: Ángel Vargas
in album: Adios Buenos Aires (1930 -1944)
  type: MusicAlbum
  date published: 2016-10-13
popularity: 5
isrc code: ESA011631254
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:03:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x11337e2c8a4cb1643480442a3f049b26c7a1da26a600c693ed2c94f4aa115153
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA011631254
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11337e2c8a4cb1643480442a3f049b26c7a1da26a600c693ed2c94f4aa115153. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ESA011631254.
  date published: 2026-07-08T03:20:19Z
audio: Adios Buenos Aires
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.522
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.663
  additional property: Energy
    type: PropertyValue
    value: 0.304
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.799
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.306
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sin rumbo fijo
type: MusicRecording
duration: PT2M18S
duration ms: 138396
explicit: false
by artist: Orquesta Tipica Victor
by artist: Ángel Vargas
in album: Adios Buenos Aires (1930 -1944)
  type: MusicAlbum
  date published: 2016-10-13
popularity: 8
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55e718470409d4ba552747a0ee7e85bf4aa2233a5f2bfb42ab89f4001eb9ad98. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/ESA011631269.
  date published: 2026-07-29T19:35:34Z
audio: Sin rumbo fijo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.674
  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: 0.579
  additional property: Energy
    type: PropertyValue
    value: 0.402
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.846
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.582
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: ESA011631269
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA011631269
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Speechiness
type: PropertyValue
value: 0.048

Acousticness
type: PropertyValue
value: 0.98

Instrumentalness
type: PropertyValue
value: 0.023

Liveness
type: PropertyValue
value: 0.141

Valence (Positivity)
type: PropertyValue
value: 0.612

Loudness (dB)
type: PropertyValue
value: -5.628

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Minor

Ventarrón
type: MusicRecording
duration: PT2M59S
duration ms: 179600
explicit: false
by artist: Orquesta Tipica Victor
in album: Serie 78 RPM: Orquesta Típica Victor Vol.2
  type: MusicAlbum
  date published: 2004-07-15
genre: tango
isrc code: ARF030101453
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-30T00:00:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x408d8601a16a7e82d4cb02972e7ff042ce400b9d5c92abfbcc71c4a70a7b83d5
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/ARF030101453
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 0x408d8601a16a7e82d4cb02972e7ff042ce400b9d5c92abfbcc71c4a70a7b83d5. 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/ARF030101453.
  date published: 2026-07-02T16:51:38Z
audio: Ventarrón
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.143
  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: 0.658
  additional property: Energy
    type: PropertyValue
    value: 0.225
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.047
  additional property: Liveness
    type: PropertyValue
    value: 0.371
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.605
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.069
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Adios Buenos Aires
type: MusicRecording
duration: PT2M33S
duration ms: 153453
explicit: false
by artist: Orquesta Tipica Victor
in album: Serie 78 RPM: Orquesta Típica Victor Vol.2
  type: MusicAlbum
  date published: 2004-07-15
genre: tango
isrc code: ARF030101456
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T22:27:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x080a41529d32e3895a01288be59bb0ee4f625943cfa2a962674c3efa3c0d64f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958489
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958489
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF030101456
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T04:13:26Z
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 0x080a41529d32e3895a01288be59bb0ee4f625943cfa2a962674c3efa3c0d64f6. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/ARF030101456.
  date published: 2026-07-18T04:13:26Z
audio: Adios Buenos Aires
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.766
  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: 0.66
  additional property: Energy
    type: PropertyValue
    value: 0.293
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.78
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.239
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Intima
type: MusicRecording
duration: PT2M26S
duration ms: 146293
explicit: false
by artist: Orquesta Tipica Victor
in album: Serie 78 RPM: Orquesta Típica Victor Vol.2
  type: MusicAlbum
  date published: 2004-07-15
genre: tango
isrc code: ARF034000031
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T20:11:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb61f178bf529d875bb681e3544e75a412304f19fcd96f643ee784c345fdd2dc7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958324
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958324
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF034000031
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T23:19:05Z
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 0xb61f178bf529d875bb681e3544e75a412304f19fcd96f643ee784c345fdd2dc7. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:19:05Z), 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/ARF034000031.
  date published: 2026-07-16T23:19:05Z
audio: Intima
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.365
  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: 0.614
  additional property: Energy
    type: PropertyValue
    value: 0.501
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.166
  additional property: Liveness
    type: PropertyValue
    value: 0.229
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.77
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.999
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mi Tanza De Cafe
type: MusicRecording
duration: PT2M40S
duration ms: 160706
explicit: false
by artist: Orquesta Tipica Victor
in album: Serie 78 RPM: Orquesta Típica Victor Vol.2
  type: MusicAlbum
  date published: 2004-07-15
genre: tango
isrc code: ARF034400027
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T02:13:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfdcb4491aa8ba79fc7ea036bdf1bbce9377be72a3c71c51a446c832d60287a0f
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/ARF034400027
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T05:08:48Z
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 0xfdcb4491aa8ba79fc7ea036bdf1bbce9377be72a3c71c51a446c832d60287a0f. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:08:48Z), 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/ARF034400027.
  date published: 2026-07-16T05:08:48Z
audio: Mi Tanza De Cafe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.285
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.627
  additional property: Energy
    type: PropertyValue
    value: 0.279
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.397
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.709
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.341
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bajo El Cono Azul
type: MusicRecording
duration: PT2M43S
duration ms: 163360
explicit: false
by artist: Orquesta Tipica Victor
in album: Serie 78 RPM: Orquesta Típica Victor Vol.2
  type: MusicAlbum
  date published: 2004-07-15
genre: tango
isrc code: ARF034400028
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T09:32:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6f74e92af3a1f7c5c5c1a356ed906e05ff5371c3161f205d88b6cafa333be8dc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958142
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF034400028
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T12:35:36Z
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 0x6f74e92af3a1f7c5c5c1a356ed906e05ff5371c3161f205d88b6cafa333be8dc. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:35:36Z), 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/ARF034400028.
  date published: 2026-07-15T12:35:36Z
audio: Bajo El Cono Azul
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.529
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Serie 78 RPM: Orquesta Típica Victor Vol.1
type: MusicAlbum
date published: 2005-07-15
track: Noches De Invierno
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  duration: PT2M45S
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  explicit: false
  by artist: Orquesta Tipica Victor
  in album: Serie 78 RPM: Orquesta Típica Victor Vol.1
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  additional property: CopyrightStatus
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF039500288
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T05:05:21Z
  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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6b95f65ecee57ae1febdf66034a0865d6b04136e19368f01941b2a1656a412d. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:05:21Z), 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/ARF039500288.
    date published: 2026-07-16T05:05:21Z
  audio: Noches De Invierno
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Valence (Positivity)
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Tango Legends, Vol. 13
type: MusicAlbum
date published: 2008-05-05

Sin Rumbo Fijo
type: MusicAlbum
date published: 2008-06-01
track: Noches de Invierno
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  explicit: false
  by artist: Orquesta Tipica Victor
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    type: MusicAlbum
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371101447
  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 0x68162940b2bad8996e10329f8a1a61deade5cf7495a565f96fcda320f349a293. 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/USA371101447.
    date published: 2026-07-05T19:27:56Z
  audio: Noches de Invierno
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Carrillón de la Merced
  type: MusicRecording
  duration: PT3M15S
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  explicit: false
  by artist: Orquesta Tipica Victor
  in album: Sin Rumbo Fijo
    type: MusicAlbum
    date published: 2008-06-01
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  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371101432
  additional property: OTSTimestamp
    type: PropertyValue
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  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 0x0ffdced940e5ae2d31ec83c210045df1014a502871b74c1dd36223f02f71d67f. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/USA371101432.
    date published: 2026-07-17T19:49:21Z
  audio: Carrillón de la Merced
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Mode Name
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track: Una Vez
  type: MusicRecording
  duration: PT3M21S
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  explicit: false
  by artist: Orquesta Tipica Victor
  in album: Sin Rumbo Fijo
    type: MusicAlbum
    date published: 2008-06-01
  genre: tango
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  additional property: CopyrightStatus
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Una Vez
track: Milonga del Aguatero
track: Amor y Celo

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371101460

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 0xd48b5deae3a6bd4611d366dedb0b39dd84e1672696c3027ad87ecec8b8daf2b1. 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/USA371101460.
date published: 2026-07-05T10:01:46Z

Una Vez
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Milonga del Aguatero
type: MusicRecording
duration: PT2M34S
duration ms: 154333
explicit: false
by artist: Orquesta Tipica Victor
in album: Sin Rumbo Fijo
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  date published: 2008-06-01
genre: tango
isrc code: USA371101461
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dcde4398f4c6267640229e2baf55d016f616259a0bb7c572294ad98bcb1f311. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/USA371101461.
  date published: 2026-07-17T15:33:28Z
audio: Milonga del Aguatero
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Amor y Celo
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duration: PT2M23S
duration ms: 143386
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by artist: Orquesta Tipica Victor
in album: Sin Rumbo Fijo
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  date published: 2008-06-01
genre: tango
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additional property: CopyrightStatus
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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  date published: 2026-07-19T10:15:55Z
audio: Amor y Celo
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Tangos de la Guardia Vieja
type: MusicAlbum
date published: 2009-10-08

The History of Tango / Orquesta Tipica Victor / Recordings 1926 - 1940
type: MusicAlbum
date published: 2009-11-01

Tango Collection
type: MusicAlbum
date published: 2011-05-19

The Roots Of Tango - Recuerdo
type: MusicAlbum
date published: 2012-04-10

Para la Historia
type: MusicAlbum
date published: 2012-11-05

Tango Legends, Vol. 13
type: MusicAlbum
date published: 2013-10-30

Recuerdo
type: MusicAlbum
date published: 2014-04-25

Puente Alsina
type: MusicAlbum
date published: 2014-10-20

1930-1944
type: MusicAlbum
date published: 2014-10-21

Retintin
type: MusicAlbum
date published: 2014-11-29

Ventarron
type: MusicAlbum
date published: 2014-11-29

Temo
type: MusicAlbum
date published: 2014-11-29

Cardos
type: MusicAlbum
date published: 2014-12-08

1929-1944
type: MusicAlbum
date published: 2014-12-19

(1927), Vol. 5
type: MusicAlbum
date published: 2015-01-26

Tu olvido (Historical Recordings)
type: MusicAlbum
date published: 2015-06-05

Sonsa (Historical Recordings)
type: MusicAlbum
date published: 2015-06-05

Tu olvido (Historical Recordings)
type: MusicAlbum
date published: 2015-06-12

Sonsa (Historical Recordings)
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Viento Norte (Historical Recordings)
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La Payanca (Historical Recordings)
type: MusicAlbum
date published: 2015-06-26

Viento Norte (Historical Recordings)
type: MusicAlbum
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La Payanca (Historical Recordings)
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date published: 2015-07-03

Tango Milonguero
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date published: 2015-11-23

Maestros del Tango
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date published: 2015-11-30
track: Coqueta
track: Viento Norte
track: Secreto

(1931-1932), Vol. 14
type: MusicAlbum
date published: 2015-12-14

(1930), Vol. 11
type: MusicAlbum
date published: 2016-01-19

Memorial del Tango
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date published: 2016-03-09

Carta Brava (1926-1927)
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date published: 2016-04-12

Música de Calesita (1926-1932)
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date published: 2016-04-12

(1933-1934), Vol. 17
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date published: 2016-04-13

(1933-1934), Vol. 18
type: MusicAlbum
date published: 2016-04-13

(1940-1941), Vol. 22
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date published: 2016-04-19

(1943-1944), Vol. 23
type: MusicAlbum
date published: 2016-04-19

(1938-1939), Vol. 21
type: MusicAlbum
date published: 2016-04-25

(1933), Vol. 16
type: MusicAlbum
date published: 2016-04-28

(1927-1934)
type: MusicAlbum
date published: 2016-05-06
track: Adiós Argentina

(1937), Vol. 19
type: MusicAlbum
date published: 2016-05-24

(1937-1938), Vol. 20
type: MusicAlbum
date published: 2016-05-24

Derecho Viejo (1931-1943)
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date published: 2016-06-01

Viejo Arrabal (1931-1932)
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date published: 2016-06-01

La Serenata (1930-1931)
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date published: 2016-06-27

Ventarron
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date published: 2019-01-23

Temo
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date published: 2019-01-23

Retintin
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date published: 2019-01-23

Cardos
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date published: 2019-01-23

Orquesta Tipica Victor 1925-1934
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date published: 2020-02-20

Aquella Orquesta Tipica Victor Con Sus Cantores
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date published: 2020-03-04

Ofrenda Gaucha: Y Te Dejé Llorando (Instrumental)
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date published: 2020-10-07

Ofrenda Gaucha: Viejo Rincón (Instrumental)
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date published: 2020-10-07

Tangos Inmortales
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date published: 2023-09-18

Zorzales de Antaño… Engominado
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date published: 2024-05-14

Zorzales de Antaño… Pena Calé
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date published: 2024-05-31
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    date published: 2024-05-31
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Vol. 1 (1925-1926)
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Vol. 2 (1926)
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Vol. 3 (1926-1927)
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Vol. 4 (1927)
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Vol. 5 (1927)
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Vol. 6 (1927-1928)
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Vol. 7 (1928)
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Vol. 8 (1928-1929)
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Vol. 9 (1929)
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Vol. 10 (1929-1930)
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Vol. 11 (1930)
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Vol. 12 (1930-1931)
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Vol. 13 (1931)
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Vol. 14 (1931-1932)
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Vol. 15 (1932)
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Vol. 16 (1933)
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Vol. 17 (1933-1934)
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Vol. 18 (1934-1937)
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Vol. 19 (1937)
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Vol. 20 (1937-1938)
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Vol. 21 (1938-1939)
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Vol. 22 (1940-1941)
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Vol. 23 (1943-1944)
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