GRAMN.
type: MusicGroup
popularity: 2
followers: 809
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x69be70e76ab8e9f618773619aa1269e4020e991fb982cb3ad70469b551456d3b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6d87d121-efc2-4880-acf1-c55b06d65a47.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6d87d121-efc2-4880-acf1-c55b06d65a47.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6d87d121-efc2-4880-acf1-c55b06d65a47
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
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 0x69be70e76ab8e9f618773619aa1269e4020e991fb982cb3ad70469b551456d3b. 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/6d87d121-efc2-4880-acf1-c55b06d65a47.json and https://artists.proofprofile.net/proofs/artist/6d87d121-efc2-4880-acf1-c55b06d65a47.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: Write It Down
  type: MusicAlbum
  date published: 2019-09-30
album: Write It Down
  type: MusicAlbum
  date published: 2019-09-30
album: Freak Out
  type: MusicAlbum
  date published: 2019-10-28
album: Freak Out
  type: MusicAlbum
  date published: 2019-10-28
album: Mini Milk
  type: MusicAlbum
  date published: 2020-07-31
album: MEDIUMN - EP
  type: MusicAlbum
  date published: 2020-08-21
album: MEDIUMN
  type: MusicAlbum
  date published: 2020-08-21
album: Kitchen
  type: MusicAlbum
  date published: 2020-09-25
album: Minimum
  type: MusicAlbum
  date published: 2020-10-23
album: MinimumN
  type: MusicAlbum
  date published: 2020-11-20
album: MinimumN
  type: MusicAlbum
  date published: 2020-11-20
album: Glow Up
  type: MusicAlbum
  date published: 2021-07-23
album: Norman Bates
  type: MusicAlbum
  date published: 2021-09-09
album: Long Way Down
  type: MusicAlbum
  date published: 2022-03-04
album: KillaGRAMN.
  type: MusicAlbum
  date published: 2022-04-01
album: PROBLEMS
  type: MusicAlbum
  date published: 2025-07-10
album: REASONS
  type: MusicAlbum
  date published: 2025-10-30