Especia
type: MusicGroup
genre: city pop
genre: funk pop
description: Especia were a Japanese idol girl group formed in 2012. They participated in the 2015 Tokyo Idol Festival. Their single "Aviator/Boogie Aroma" reached the 28th place on the Weekly Oricon Singles Chart
popularity: 3
followers: 939
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x441508296e26fce67d6428c2f50a0ba1663f7628809457c38d7e3afac1803301
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953997
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953997
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2310306d-6d4c-429d-850a-444a2eed0df0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2310306d-6d4c-429d-850a-444a2eed0df0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2310306d-6d4c-429d-850a-444a2eed0df0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T20:07:57Z
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 0x441508296e26fce67d6428c2f50a0ba1663f7628809457c38d7e3afac1803301. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2310306d-6d4c-429d-850a-444a2eed0df0.json and https://artists.proofprofile.net/proofs/artist/2310306d-6d4c-429d-850a-444a2eed0df0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
album: DULCE
  type: MusicAlbum
  date published: 2012-09-30
album: ミッドナイトConfusion
  type: MusicAlbum
  date published: 2013-09-11
album: Primera ～Selection～
  type: MusicAlbum
  date published: 2015-02-18
album: Aviator/Boogie Aroma
  type: MusicAlbum
  date published: 2015-07-22
album: Aviator/Boogie Aroma EP
  type: MusicAlbum
  date published: 2015-09-02
album: CARTA ～Selection～
  type: MusicAlbum
  date published: 2016-03-02