balcer
type: MusicGroup
genre: rap metal
genre: rap rock
genre: space rock
description: Balcer is a surname. Notable people with the surname include: Bethany Balcer (born 1997), American soccer player James Balcer (born 1950), American politician Léon Balcer (1917–1991), Canadian politi
popularity: 19
followers: 162
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xfdd02ea057549a255cd54a7ea803382a04acc1e97684019f76665afe1c0ab89d
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
  type: PropertyValue
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9aff4ae2-7861-4407-bae6-37645616bbfb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9aff4ae2-7861-4407-bae6-37645616bbfb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:44:49Z
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 0xfdd02ea057549a255cd54a7ea803382a04acc1e97684019f76665afe1c0ab89d. Chain 2 (Bitcoin): anchored in block 953741 (2026-06-15T04:44:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9aff4ae2-7861-4407-bae6-37645616bbfb.json and https://artists.proofprofile.net/proofs/artist/9aff4ae2-7861-4407-bae6-37645616bbfb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:44:49Z
album: HELLCAT
  type: MusicAlbum
  date published: 2023-10-09
album: BESTIA PROGRESU
  type: MusicAlbum
  date published: 2023-11-24
album: supertrap shxt
  type: MusicAlbum
  date published: 2024-02-02
album: stellar
  type: MusicAlbum
  date published: 2024-02-09
album: WŁOCŁAWSKIE PODZIEMIE 2
  type: MusicAlbum
  date published: 2024-03-01
  track: WŁOCŁAWSKIE PODZIEMIE 2
album: DISCOVERY
  type: MusicAlbum
  date published: 2024-03-14
album: way2fast
  type: MusicAlbum
  date published: 2024-06-22
album: macabre
  type: MusicAlbum
  date published: 2024-11-30
album: nuwave.wav
  type: MusicAlbum
  date published: 2024-11-30
album: GRAM W TO SOLO
  type: MusicAlbum
  date published: 2025-02-27

WŁOCŁAWSKIE PODZIEMIE 2
type: MusicRecording
duration: PT5M44S
duration ms: 344133
explicit: true
by artist: balcer
in album: WŁOCŁAWSKIE PODZIEMIE 2
  type: MusicAlbum
  date published: 2024-03-01
genre: rap metal
genre: rap rock
genre: space rock
isrc code: QZHN52483820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
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
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52483820
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 0xdea5d5e3fb92ebdcd4af941c92a116529628229514752938e72667efe9937de8. 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/QZHN52483820.
  date published: 2026-07-08T03:20:19Z
audio: WŁOCŁAWSKIE PODZIEMIE 2
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.925
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.518
  additional property: Energy
    type: PropertyValue
    value: 0.704
  additional property: Speechiness
    type: PropertyValue
    value: 0.388
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.352
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.227
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.563
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor