Casta
type: MusicGroup
description: thumb|upright=1.3|. A casta painting showing 16 racial groupings. Anonymous, 18th century, oil on canvas, 148×104 cm, , , Mexico () is a term which means "lineage" in Spanish and Portuguese and has
popularity: 5
followers: 183
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9025518a9de2e6116dc95ea96977ca2dd97d357e031f705cf8df504312369286
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/65dda2b4-c9a6-4e55-be23-a8b316b4fb29.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/65dda2b4-c9a6-4e55-be23-a8b316b4fb29.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/65dda2b4-c9a6-4e55-be23-a8b316b4fb29
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 0x9025518a9de2e6116dc95ea96977ca2dd97d357e031f705cf8df504312369286. 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/65dda2b4-c9a6-4e55-be23-a8b316b4fb29.json and https://artists.proofprofile.net/proofs/artist/65dda2b4-c9a6-4e55-be23-a8b316b4fb29.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: La Posima
  type: MusicAlbum
  date published: 2023-01-30
album: La Posima, Pt. 2
  type: MusicAlbum
  date published: 2023-07-30
album: Paris, Texas
  type: MusicAlbum
  date published: 2024-05-23
album: Medusa (Ojos verdes)
  type: MusicAlbum
  date published: 2024-06-14
album: Loca
  type: MusicAlbum
  date published: 2025-03-21