Walter Meza
type: MusicGroup
description: Walter Meza (born December 8, 1966, Buenos Aires, Aregentina) is an Argentinian singer of thrash metal and heavy metal, known for being the singer of the band Horcas, from 1997 to the present.Walter M
popularity: 6
followers: 99
additional property: CopyrightID
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additional property: OTSVerifyInstructions
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  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
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  date published: 2026-06-20T06:31:18Z
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track: Agord, La Bruja
track: La Esperanza

Agord, La Bruja
type: MusicRecording
duration: PT4M23S
duration ms: 263520
explicit: false
by artist: Jeriko
by artist: Walter Meza
in album: Tributo a Rata Blanca: La Leyenda Continúa
  type: MusicAlbum
  date published: 2001-05-15
isrc code: ARLVW2800108
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additional property: OTSTimestamp
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  value: 2026-07-02T03:55:08Z
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
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additional property: BitcoinTime
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  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7ed3ef0ba53933410f4345c1617341b1ce8a79683b9f56292035c84275895d4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/ARLVW2800108.
  date published: 2026-07-02T03:55:08Z
audio: Agord, La Bruja
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  additional property: Tempo (BPM)
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    value: 153.338
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
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    value: 5
  additional property: Danceability
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    value: 0.473
  additional property: Energy
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    value: 0.91
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.342
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.802
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.887
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Esperanza
type: MusicRecording
duration: PT6M3S
duration ms: 363986
explicit: false
by artist: Hugo Bistolfi
by artist: Adrian Barilari
by artist: JAF
by artist: Walter Meza
by artist: Patricio Sardelli
by artist: Marciano Cantero
by artist: Gastón Sardelli
by artist: Alex Lora
by artist: Javier Barrozo
by artist: Brenda Cuesta
by artist: Paul Gillman
by artist: MarceloPredacino
by artist: Guadalupe Farías Gómez
in album: Viaje al Cosmos
  type: MusicAlbum
  date published: 2009-10-15
isrc code: QM4TW1680016
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additional property: CopyrightStatus
  type: PropertyValue
  value: registered
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additional property: OTSTimestamp
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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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0320ebb7d4e44875d8e3bb768e9370dec13a3fbb74ff2ee5c538e26f1502c75. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/QM4TW1680016.
  date published: 2026-07-07T11:02:43Z
audio: La Esperanza
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    value: 5
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    value: 0.462
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    value: 0.419
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    value: 0.226
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    value: -8.855
  additional property: Key Name
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    value: E
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    value: Minor