PLAYDAYS
type: MusicGroup
description: Playdays (known as Playbus until December 1989) is a British pre-school television programme which ran from 1988 to 1997 on Children's BBC. The show was the successor to Play School and, like its pred
popularity: 2
followers: 378
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a8bdc6cd8db2db57dec18ce66937151e08f11e23ef300a92f8341d7a4d361f5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954659
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954659
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dbb9bb4e-d5a1-498d-9ae0-ff1762970d57.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dbb9bb4e-d5a1-498d-9ae0-ff1762970d57.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dbb9bb4e-d5a1-498d-9ae0-ff1762970d57
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T06:14:42Z
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 0x4a8bdc6cd8db2db57dec18ce66937151e08f11e23ef300a92f8341d7a4d361f5. Chain 2 (Bitcoin): anchored in block 954659 (2026-06-21T06:14:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dbb9bb4e-d5a1-498d-9ae0-ff1762970d57.json and https://artists.proofprofile.net/proofs/artist/dbb9bb4e-d5a1-498d-9ae0-ff1762970d57.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T06:14:42Z
album: Vidé
  type: MusicAlbum
  date published: 2020-08-26
album: Femme de luxe
  type: MusicAlbum
  date published: 2021-03-03
album: Vie américaine
  type: MusicAlbum
  date published: 2021-03-24