Party Supplies
type: MusicGroup
description: Party Supplies are an American record production and songwriting team, composed of Justin Nealis and Sean Mahon. On August 27, 2013, Justin Nealis and Sean Mahon released their first album as a group,
popularity: 30
followers: 3669
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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 0xce379b389a462a98dbcf8ff93f3b2a4726e5583f613d1a0cb8b441b38d97d903. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/923c935c-609e-43e4-922d-81f9bf668ad8.json and https://artists.proofprofile.net/proofs/artist/923c935c-609e-43e4-922d-81f9bf668ad8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
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album: Tough Love
  type: MusicAlbum
  date published: 2013-08-27
album: Tough Love
  type: MusicAlbum
  date published: 2013-08-27
album: Tough Love
  type: MusicAlbum
  date published: 2013-08-27
album: Tough Love
  type: MusicAlbum
  date published: 2013-08-27
album: Tough Love
  type: MusicAlbum
  date published: 2013-08-27
album: Tough Love
  type: MusicAlbum
  date published: 2013-08-27
  track: Going Back to New York
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    by artist: Party Supplies
    in album: Tough Love
      type: MusicAlbum
      date published: 2013-08-27
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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
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0be419ef145290bce78025cddeab2c88f4e6bed288cf5f0d5d27af30c946260. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QMSDU1300335.
      date published: 2026-07-05T04:47:21Z
    audio: Going Back to New York
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Instrumentalness
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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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album: Tough Love
  type: MusicAlbum
  date published: 2013-08-27
album: Going Back to New York / Beautiful Girl Remixes
  type: MusicAlbum
  date published: 2014-04-29
album: Going Back to New York / Beautiful Girl (Remixes)
  type: MusicAlbum
  date published: 2014-04-29
album: Going Back To New York / Beautiful Girl Remixes
  type: MusicAlbum
  date published: 2014-04-29
album: Going Back To New York / Beautiful Girl (Remixes)
  type: MusicAlbum
  date published: 2014-04-29
album: Going Back To New York / Beautiful Girl Remixes
  type: MusicAlbum
  date published: 2014-04-29