Passer
type: MusicGroup
description: Passer is a genus of sparrows, also known as the true sparrows. The genus contains 28 species and includes the house sparrow and the Eurasian tree sparrow - two of the most common birds in the world.
popularity: 13
followers: 237
additional property: CopyrightID
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
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additional property: OTSTimestamp
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  value: 2026-06-14T08:40:32Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74bcf40088fc8d16f6ab85773bbdcacc2a74fa3a420ff43bc267998e3e847558. Chain 2 (Bitcoin): anchored in block 953614 (2026-06-14T08:40:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/15d3c13b-7f9a-40c0-adc6-3a94eeef3dcf.json and https://artists.proofprofile.net/proofs/artist/15d3c13b-7f9a-40c0-adc6-3a94eeef3dcf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T08:40:32Z
album: Lungs
  type: MusicAlbum
  date published: 2024-09-07
album: The Landline
  type: MusicAlbum
  date published: 2024-09-27
album: We Come From Frogs
  type: MusicAlbum
  date published: 2024-10-09
  track: We Come From Frogs
    type: MusicRecording
    duration: PT3M36S
    duration ms: 216000
    explicit: false
    by artist: Passer
    in album: We Come From Frogs
      type: MusicAlbum
      date published: 2024-10-09
    isrc code: QZWFK2476655
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
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      type: PropertyValue
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      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T07:21:02Z
    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 0xfef14ebcce9156c11f48cc9f3f86012556dee3407ae8cdd6a25d02e3ecfa3421. Chain 2 (Bitcoin): anchored in block 958822 (2026-07-20T07:21:02Z), 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/QZWFK2476655.
      date published: 2026-07-20T07:21:02Z
    audio: We Come From Frogs
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 179.548
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.215
      additional property: Energy
        type: PropertyValue
        value: 0.246
      additional property: Speechiness
        type: PropertyValue
        value: 0.056
      additional property: Acousticness
        type: PropertyValue
        value: 0.984
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.919
      additional property: Liveness
        type: PropertyValue
        value: 0.147
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.376
      additional property: Loudness (dB)
        type: PropertyValue
        value: -15.058
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Continuous Walks and Walks
  type: MusicAlbum
  date published: 2024-10-11
album: In The Hive
  type: MusicAlbum
  date published: 2024-10-18
album: Fyodor
  type: MusicAlbum
  date published: 2024-10-25
  track: Fyodor
    type: MusicRecording
    duration: PT3M2S
    duration ms: 182400
    explicit: false
    by artist: Passer
    in album: Fyodor
      type: MusicAlbum
      date published: 2024-10-25
    isrc code: QZWFP2459122
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T13:33:01Z
    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 0x0ce7a98c0149dcea085a5c2ffe2c0c49f9047ba772bf7743392833ebcb2f8db4. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/QZWFP2459122.
      date published: 2026-07-17T13:33:01Z
    audio: Fyodor
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 100.002
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.769
      additional property: Energy
        type: PropertyValue
        value: 0.764
      additional property: Speechiness
        type: PropertyValue
        value: 0.041
      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
album: Le Fouciau
album: Lagoon
album: Ah
album: Slider 35
album: Mosquitoes
album: See and Want
album: A Dub Star
album: White Dresses
album: Hotel Nikko
album: The View Of My Room
album: On The Watch
album: Jelly
album: Can I Go Now?
album: Subconscious Bossa
album: Rue Mademoiselle
album: El Patio
album: Days Ahead
album: Cantilever
album: Souls Are Rockin
album: The Place
album: Orson
album: I Told You So
album: The Canal

Acousticness
type: PropertyValue
value: 0.004

Instrumentalness
type: PropertyValue
value: 0.908

Liveness
type: PropertyValue
value: 0.095

Valence (Positivity)
type: PropertyValue
value: 0.387

Loudness (dB)
type: PropertyValue
value: -10.395

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

Le Fouciau
type: MusicAlbum
date published: 2024-11-01

Lagoon
type: MusicAlbum
date published: 2024-11-08

Ah
type: MusicAlbum
date published: 2024-11-15

Slider 35
type: MusicAlbum
date published: 2024-11-22

Mosquitoes
type: MusicAlbum
date published: 2024-11-29

See and Want
type: MusicAlbum
date published: 2024-12-06

A Dub Star
type: MusicAlbum
date published: 2024-12-13

White Dresses
type: MusicAlbum
date published: 2024-12-20

Hotel Nikko
type: MusicAlbum
date published: 2025-01-10

The View Of My Room
type: MusicAlbum
date published: 2025-01-17

On The Watch
type: MusicAlbum
date published: 2025-01-24

Jelly
type: MusicAlbum
date published: 2025-01-31

Can I Go Now?
type: MusicAlbum
date published: 2025-02-07

Subconscious Bossa
type: MusicAlbum
date published: 2025-02-14

Rue Mademoiselle
type: MusicAlbum
date published: 2025-02-21

El Patio
type: MusicAlbum
date published: 2025-02-28

Days Ahead
type: MusicAlbum
date published: 2025-03-07

Cantilever
type: MusicAlbum
date published: 2025-03-14

Souls Are Rockin
type: MusicAlbum
date published: 2025-03-21

The Place
type: MusicAlbum
date published: 2025-03-28

Orson
type: MusicAlbum
date published: 2025-04-04

I Told You So
type: MusicAlbum
date published: 2025-04-11

The Canal
type: MusicAlbum
date published: 2025-05-09