PUNCHING BAG
type: MusicGroup
genre: punk rap
description: thumb|upright=1.35|A mixed martial arts fighter "working his hands" on a heavy bag A punching bag (or British English punchbag) is a sturdy bag designed to be repeatedly punched. A punching bag is usu
popularity: 23
followers: 1475
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2a1a205e62116bf50a29f7b8d34fb0c1e73c617d8a1f4eebc026adb07f706b0. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b4440b02-9ffa-482a-8eee-67168b44112f.json and https://artists.proofprofile.net/proofs/artist/b4440b02-9ffa-482a-8eee-67168b44112f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: GROUP 1987
  type: MusicAlbum
  date published: 2024-02-23
album: GROUP 1987
  type: MusicAlbum
  date published: 2024-02-23
album: GROUP 1987
  type: MusicAlbum
  date published: 2024-02-23
album: GYM RAT
  type: MusicAlbum
  date published: 2024-07-24
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    by artist: PUNCHING BAG
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      type: MusicAlbum
      date published: 2024-07-24
    genre: punk rap
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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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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6870e391dc59dcd0d24e388865a674f48940e717ce883444c7228087b1db4e62. 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/USUYG1564767.
      date published: 2026-07-02T16:51:38Z
    audio: CHARACTER FLAW
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      additional property: Valence (Positivity)
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  track: CONTENDER'S THEME
    type: MusicRecording
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    explicit: true
    by artist: PUNCHING BAG
    in album: GYM RAT
      type: MusicAlbum
      date published: 2024-07-24
    genre: punk rap
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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
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2322a4a31ba011f3aa4c81eb449fbef63da2b6b3c4dfe00b70cff7d0f029b17. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/USUYG1564770.
      date published: 2026-07-03T19:59:51Z
    audio: CONTENDER'S THEME
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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
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
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album: BELT
album: CH. 162

Acousticness
type: PropertyValue
value: 0.445

Instrumentalness
type: PropertyValue
value: 0.056

Liveness
type: PropertyValue
value: 0.167

Valence (Positivity)
type: PropertyValue
value: 0.555

Loudness (dB)
type: PropertyValue
value: -3.979

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Minor

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

BELT
type: MusicAlbum
date published: 2025-04-01

CH. 162
type: MusicAlbum
date published: 2025-07-18