Gordon Hempton
type: MusicGroup
popularity: 11
followers: 10215
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42a6579d1ee6603b659097a8bcb97b3396655a707d28fb3a517402c9e3de4a7f. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f990e308-550a-4144-9a59-6563b8b20bfd.json and https://artists.proofprofile.net/proofs/artist/f990e308-550a-4144-9a59-6563b8b20bfd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T22:22:30Z
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album: Om Telephone Wire
  type: MusicAlbum
  date published: 2004-11-01
album: Light Out for the Territory
  type: MusicAlbum
  date published: 2004-11-01
album: Homecoming
  type: MusicAlbum
  date published: 2004-11-01
album: The Clearing
  type: MusicAlbum
  date published: 2004-11-01
album: Shadow of the Leopard
  type: MusicAlbum
  date published: 2004-11-01
album: Sage Grouse Lek
  type: MusicAlbum
  date published: 2004-11-01
album: Bushman Fountain Sunrise
  type: MusicAlbum
  date published: 2004-11-01
album: Sharp Tail Lek
  type: MusicAlbum
  date published: 2004-11-01
album: Primeval Forest
  type: MusicAlbum
  date published: 2004-11-01
album: Evening Mist
  type: MusicAlbum
  date published: 2004-11-01
album: Evening Bath
  type: MusicAlbum
  date published: 2004-11-01
album: Promise
  type: MusicAlbum
  date published: 2004-11-01
album: Dawn III
  type: MusicAlbum
  date published: 2004-11-01
album: The Cave
  type: MusicAlbum
  date published: 2004-11-01
album: Dawn I
  type: MusicAlbum
  date published: 2004-11-01
album: Love Song of the American Toad
  type: MusicAlbum
  date published: 2004-11-01
album: Evening Hatch
  type: MusicAlbum
  date published: 2004-11-01
album: Call of the Meadowlark
  type: MusicAlbum
  date published: 2004-11-01
album: Beneath the Silence
  type: MusicAlbum
  date published: 2004-11-01
album: Driftwood Forest
  type: MusicAlbum
  date published: 2004-11-01
album: Bayou
  type: MusicAlbum
  date published: 2004-11-01
album: Panque Billabong
  type: MusicAlbum
  date published: 2004-11-01
album: Soda Springs
  type: MusicAlbum
  date published: 2004-11-01
album: Before Light
  type: MusicAlbum
  date published: 2004-11-01
album: Rut
  type: MusicAlbum
  date published: 2004-11-01
album: Water Pipe
  type: MusicAlbum
  date published: 2004-11-01
album: This Back Road
  type: MusicAlbum
  date published: 2004-11-01
album: Song of the Merced River
  type: MusicAlbum
  date published: 2004-11-01
album: Dawn II
  type: MusicAlbum
  date published: 2004-11-01
album: Back of the Cave
  type: MusicAlbum
  date published: 2004-11-01
album: Morning Mist
  type: MusicAlbum
  date published: 2004-11-01
album: Hole in the Ground
  type: MusicAlbum
  date published: 2004-11-01
album: Babbling Brook
  type: MusicAlbum
  date published: 2004-11-01
album: Rialto Beach
  type: MusicAlbum
  date published: 2004-11-01
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      date published: 2004-11-01
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
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    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      date published: 2026-07-22T02:05:55Z
    audio: Rialto Beach
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      additional property: Tempo (BPM)
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      additional property: Danceability
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      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
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album: Riverside
album: Raven Family
album: Desert Thunder
album: Rock Creek
album: Limpid Brook
album: Summer Night
album: Sleeping Rain Forest
album: Tropical Night
album: Spring Leaves
album: PVC
album: Aspen Trees
album: Dunes
album: Journey to Ellen Creek
album: Atlantic Sunrise
album: Australia: Dawn Across the Outback
album: Asia: Misty Isle
album: Earth: A Day in the Life of a Planet
album: South America: Amazon Rain Forest
album: North America: Winds Across a Continent
album: Africa: Desert Solitude at Bushman Fountain
album: Forest Rain
album: Ocean Dreams
album: Autumn Echoes
album: Songs of Spring
album: One Square Inch of Silence - Companion Audio CD
album: Out in Nature
album: Ocean Escape

Acousticness
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value: 0.128

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Liveness
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Valence (Positivity)
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value: 0.012

Loudness (dB)
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value: -25.25

Key Name
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value: C#

Mode Name
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value: Major

Riverside
type: MusicAlbum
date published: 2004-11-01

Raven Family
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date published: 2004-11-01

Desert Thunder
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date published: 2004-11-01

Rock Creek
type: MusicAlbum
date published: 2004-11-01

Limpid Brook
type: MusicAlbum
date published: 2004-11-01

Summer Night
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date published: 2004-11-01

Sleeping Rain Forest
type: MusicAlbum
date published: 2004-11-01

Tropical Night
type: MusicAlbum
date published: 2004-11-01

Spring Leaves
type: MusicAlbum
date published: 2004-11-01

PVC
type: MusicAlbum
date published: 2004-11-01

Aspen Trees
type: MusicAlbum
date published: 2004-11-11

Dunes
type: MusicAlbum
date published: 2005-01-01

Journey to Ellen Creek
type: MusicAlbum
date published: 2005-01-01

Atlantic Sunrise
type: MusicAlbum
date published: 2005-02-01
track: Atlantic Sunrise
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  duration: PT60M37S
  duration ms: 3637480
  explicit: false
  by artist: Gordon Hempton
  in album: Atlantic Sunrise
    type: MusicAlbum
    date published: 2005-02-01
  isrc code: US3N80500015
  additional property: CopyrightID
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  additional property: OTSHash
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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    value: 2026-07-17T04:32:48Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c65de0fd5ff59356d0b8e2d29268f156b72e388f96699ca7ea12da8c1327ec8. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3N80500015.
    date published: 2026-07-17T04:32:48Z
  audio: Atlantic Sunrise
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.057
    additional property: Energy
      type: PropertyValue
      value: 0.039
    additional property: Speechiness
      type: PropertyValue
      value: 0.136
    additional property: Acousticness
      type: PropertyValue
      value: 0.786
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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      value: 0.012
    additional property: Loudness (dB)
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Australia: Dawn Across the Outback
type: MusicAlbum
date published: 2005-04-17

Asia: Misty Isle
type: MusicAlbum
date published: 2005-04-17

Earth: A Day in the Life of a Planet
type: MusicAlbum
date published: 2005-04-17

South America: Amazon Rain Forest
type: MusicAlbum
date published: 2005-04-17

North America: Winds Across a Continent
type: MusicAlbum
date published: 2005-04-17

Africa: Desert Solitude at Bushman Fountain
type: MusicAlbum
date published: 2005-04-17

Forest Rain
type: MusicAlbum
date published: 2005-11-11

Ocean Dreams
type: MusicAlbum
date published: 2005-11-11

Autumn Echoes
type: MusicAlbum
date published: 2006-04-18

Songs of Spring
type: MusicAlbum
date published: 2006-04-18

One Square Inch of Silence - Companion Audio CD
type: MusicAlbum
date published: 2010-03-02
track: Eastern US
  type: MusicRecording
  duration: PT6M53S
  duration ms: 413106
  explicit: false
  by artist: Gordon Hempton
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    type: MusicAlbum
    date published: 2010-03-02
  isrc code: US3N80900004
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
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  additional property: OTSBitcoinBlockVerifyURL
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    value: https://blockstream.info/api/block-height/959096
  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3N80900004
  additional property: OTSTimestamp
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    value: 2026-07-22T06:46:35Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa162712ceaa76d4158dd49ce35f8a93d5ba79aa96579c64d17d83344e45d75da. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T06:46:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3N80900004.
    date published: 2026-07-22T06:46:35Z
  audio: Eastern US
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
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Out in Nature
type: MusicAlbum
date published: 2020-11-16

Ocean Escape
type: MusicAlbum
date published: 2021-03-30