Nathan Speir
type: MusicGroup
popularity: 3
followers: 130
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1389e576dad84aa1e7ef7c0cfce8573c9a40c44755382f4a41094f7d736aca90
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5592dffe-115b-4fa4-884c-234e85649ada.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5592dffe-115b-4fa4-884c-234e85649ada.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5592dffe-115b-4fa4-884c-234e85649ada
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1389e576dad84aa1e7ef7c0cfce8573c9a40c44755382f4a41094f7d736aca90","name":"Nathan Speir","registered_at":"2026-06-16T19:43:06Z","symbol":"NIM1155772","token_address":"0x3b1fca7ce34209dd0d2e195887815d79d853ac47","type":"artist","uuid":"5592dffe-115b-4fa4-884c-234e85649ada"}
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 0x1389e576dad84aa1e7ef7c0cfce8573c9a40c44755382f4a41094f7d736aca90. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5592dffe-115b-4fa4-884c-234e85649ada.json and https://artists.proofprofile.net/proofs/artist/5592dffe-115b-4fa4-884c-234e85649ada.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x1389e576dad84aa1e7ef7c0cfce8573c9a40c44755382f4a41094f7d736aca90","name":"Nathan Speir","registered_at":"2026-06-16T19:43:06Z","symbol":"NIM1155772","token_address":"0x3b1fca7ce34209dd0d2e195887815d79d853ac47","type":"artist","uuid":"5592dffe-115b-4fa4-884c-234e85649ada"}
album: Between Earth & Sky
  type: MusicAlbum
  date published: 2006-01-01
album: Nathan's Piano
  type: MusicAlbum
  date published: 2010-01-01
album: Tell Me About It
  type: MusicAlbum
  date published: 2011-11-01
album: Brighter Days
  type: MusicAlbum
  date published: 2012-03-21
album: A Day of Poetry
  type: MusicAlbum
  date published: 2012-10-01
album: Ambient Piano Christmas, Vol. 1
  type: MusicAlbum
  date published: 2012-11-17
album: The Emotive Leaf
  type: MusicAlbum
  date published: 2015-01-05
album: Warmth in Winter
  type: MusicAlbum
  date published: 2015-10-26
album: Ambient Piano Christmas, Vol. 2
  type: MusicAlbum
  date published: 2015-11-12
album: Eagle in the Harbor
  type: MusicAlbum
  date published: 2016-11-01
album: Improv 16
  type: MusicAlbum
  date published: 2016-12-04
album: Part of a Kindly Plan
  type: MusicAlbum
  date published: 2017-05-05
album: Fourth Thought
  type: MusicAlbum
  date published: 2017-06-02
album: Romantic Electrons
  type: MusicAlbum
  date published: 2018-01-11
album: Quiet Wonder
  type: MusicAlbum
  date published: 2018-04-12
album: Forest Lights
  type: MusicAlbum
  date published: 2018-10-01
album: Softer Thoughts
  type: MusicAlbum
  date published: 2019-09-06
album: Finding a Way to Be
  type: MusicAlbum
  date published: 2020-06-21
album: Polyhedric Hearts
  type: MusicAlbum
  date published: 2020-10-30
album: Smiles from a Melancholy Man
  type: MusicAlbum
  date published: 2021-05-21
album: Ambient Piano Improvs
  type: MusicAlbum
  date published: 2021-08-20
album: Re Between Earth & Sky
  type: MusicAlbum
  date published: 2022-09-02
album: Pilgrim
  type: MusicAlbum
  date published: 2022-11-11
album: Over Earth Under Stars
  type: MusicAlbum
  date published: 2023-03-03
album: Tapestries for Seasons
  type: MusicAlbum
  date published: 2023-12-04
album: Interstate X O
  type: MusicAlbum
  date published: 2025-04-25