Pumice
type: MusicGroup
description: thumb|Kutkhiny Baty, a pumice rock formation outcrop located 4 km from the source of the Ozyornaya River (Lake Kurile), near the southern tip of the Kamchatka Peninsula, Russia Pumice (), called pumi
popularity: 2
followers: 961
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa7f1eb879995c729414ab70c8483d110e814263260b8cb9615cad02636b09c23
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953867
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953867
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/069b23ca-1b28-4498-8ca2-dcf8588f7ce1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/069b23ca-1b28-4498-8ca2-dcf8588f7ce1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/069b23ca-1b28-4498-8ca2-dcf8588f7ce1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T01:09:47Z
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 0xa7f1eb879995c729414ab70c8483d110e814263260b8cb9615cad02636b09c23. Chain 2 (Bitcoin): anchored in block 953867 (2026-06-16T01:09:47Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/069b23ca-1b28-4498-8ca2-dcf8588f7ce1.json and https://artists.proofprofile.net/proofs/artist/069b23ca-1b28-4498-8ca2-dcf8588f7ce1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T01:09:47Z
album: Out Of Eden
  type: MusicAlbum
  date published: 2003-01-01
album: Yeahnahvienna
  type: MusicAlbum
  date published: 2006-04-18
album: Pebbles
  type: MusicAlbum
  date published: 2007-07-03
album: Quo
  type: MusicAlbum
  date published: 2008-06-17
album: PUNY
  type: MusicAlbum
  date published: 2012-04-03
album: Land
  type: MusicAlbum
  date published: 2014-11-11
album: Puddles
  type: MusicAlbum
  date published: 2015-09-08
album: Platelets
  type: MusicAlbum
  date published: 2018-06-22
album: Table
  type: MusicAlbum
  date published: 2020-10-23
album: A Car for a Kennel
  type: MusicAlbum
  date published: 2022-08-12
album: Eat Ate Tea
  type: MusicAlbum
  date published: 2022-08-12
album: Phylis
  type: MusicAlbum
  date published: 2022-10-14