505 Lounge
type: MusicGroup
popularity: 3
followers: 1
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8f4c392455dda280d333100e6f74457f0b3e5cb98f66c9c5b76672d88489e5fc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4b321872-8923-4b9d-a53f-63193acad5d1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4b321872-8923-4b9d-a53f-63193acad5d1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4b321872-8923-4b9d-a53f-63193acad5d1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8f4c392455dda280d333100e6f74457f0b3e5cb98f66c9c5b76672d88489e5fc","name":"505 Lounge","registered_at":"2026-06-16T15:49:33Z","symbol":"NIM1100050","token_address":"0xa3c33b55dfae6fc23792cf2e2eb2adcd8160b67b","type":"artist","uuid":"4b321872-8923-4b9d-a53f-63193acad5d1"}
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 0x8f4c392455dda280d333100e6f74457f0b3e5cb98f66c9c5b76672d88489e5fc. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4b321872-8923-4b9d-a53f-63193acad5d1.json and https://artists.proofprofile.net/proofs/artist/4b321872-8923-4b9d-a53f-63193acad5d1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x8f4c392455dda280d333100e6f74457f0b3e5cb98f66c9c5b76672d88489e5fc","name":"505 Lounge","registered_at":"2026-06-16T15:49:33Z","symbol":"NIM1100050","token_address":"0xa3c33b55dfae6fc23792cf2e2eb2adcd8160b67b","type":"artist","uuid":"4b321872-8923-4b9d-a53f-63193acad5d1"}
album: Songs To Hear When You're Out Of Ideas
  type: MusicAlbum
  date published: 2025-01-17
album: Holiday Lounge, Vol. I
  type: MusicAlbum
  date published: 2025-01-24
album: Holiday Lounge, Vol. 2
  type: MusicAlbum
  date published: 2025-01-25
album: Monthly Observances, Vol. 1 (January)
  type: MusicAlbum
  date published: 2025-02-07
album: Monthly Observances, Vol. 2 (February)
  type: MusicAlbum
  date published: 2025-02-14
album: Monthly Observances (March)
  type: MusicAlbum
  date published: 2025-03-28
album: Monthly Observances (April)
  type: MusicAlbum
  date published: 2025-05-09
album: Monthly Observances (May)
  type: MusicAlbum
  date published: 2025-05-16
album: Monthly Observances (June)
  type: MusicAlbum
  date published: 2025-06-06
album: Monthly Observances (July)
  type: MusicAlbum
  date published: 2025-09-05
album: Monthly Observances (August)
  type: MusicAlbum
  date published: 2025-10-10