Hirotaka Shirotsubaki
type: MusicGroup
genre: ambient
genre: drone
popularity: 28
followers: 4454
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68313ace7d13534705d950af2cbcf6734ae1fc9009f86805f71f8bad363ffab2. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/555f643f-92bc-4846-ad94-35cb11f7a77f.json and https://artists.proofprofile.net/proofs/artist/555f643f-92bc-4846-ad94-35cb11f7a77f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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album: chapter
  type: MusicAlbum
  date published: 2011-03-30
  track: byakuya
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  track: 1P_Halley
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  track: beside a window
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  track: soft rime
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    isrc code: QZFFG2013205
  track: Memory of desert
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  track: NGS224
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  track: winterend
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  track: last goodbye
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  track: Snowy mountains melt
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  track: Reminiscence (Spring has come)
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album: For Poolside Lovers
  type: MusicAlbum
  date published: 2011-08-22
  track: Cumulonimbus (Aug,14 2002)
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      date published: 2011-08-22
  track: Kami-Shinjo (Aug,10 2006)
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  track: Cwa,Cwb,Cwc (Jul,25 1994)
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  track: For Poolside Lovers (Aug,22 2011)
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  track: Summer Solstice (Jun,21 2024)
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      date published: 2011-08-22
album: under the moon beams
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  date published: 2011-12-17
  track: conception:1
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  track: conception:2
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  track: conception:3
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  track: conception:5
album: lost winter air
album: after hours
album: April
album: 50m_silence
album: stayin' alive
album: Perfect Days For Suicide
album: curtain calls
album: Summer Shore / August Sky
album: Once more
album: Hanakuma / Kenchomae
album: Wet Petals
album: Reminiscence
album: fragment 2011​-​2017
album: Suburban Quietness
album: Books about my imagined scenery, seasons past, and lost landscape.
album: A Seasons Past
album: Last Goodbye
album: slowdance​,​lowtide
album: Music for Artificial Island 1989
album: Daikai
album: Hyogo
album: Music for Late Night Highways
album: When The Westering Sunshines on The Mountain
album: Lost Cityscapes and Signs of You and Me
album: Tell me a secret story in the sleepless summer midnight
album: Snow / Silence
album: My Lost City
album: The River Will One Day Reach The Sea
album: I Still Cherish Those Days When You Said They Were Ridiculous
album: 九夏三伏
album: The Day When Winter And Spring Intersect
album: Words That I Could Not Convey To You
album: In Suburbs
album: Sozenji / Itayado
album: Trivial Affair
album: Breath in the Cold Air
album: North Winds and West Sun
album: Loss
album: Melt
album: River Trace
album: Yukiyanagi
album: Hakusekirei
album: Harusame
album: Omen of Summer
album: Light of Early Summer
album: Lightheartedness
album: July Light Heralds Summer
album: Music for Those Moments That Will Never be Reunited Again Part1
album: city echo
album: Summer Night in Suma
album: Umi no kakera
album: August Afternoon
album: End of August
album: On the Shore of Days Gone By
album: Moonlight
album: Autumn Steps (Take2)
album: October Silence on a Sunday Morning Path
album: Kitano
track: Eizawa

conception:3
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conception:4
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conception:5
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by artist: Hirotaka Shirotsubaki
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lost winter air
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date published: 2012-02-11
track: lost winter air
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after hours
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date published: 2013-01-21
track: Pinball,1973
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track: first frost
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track: yellowsand
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track: Stella
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    date published: 2013-01-21
track: August Rain
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  by artist: Hirotaka Shirotsubaki
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    date published: 2013-01-21
track: Oji-Koen
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  by artist: Hirotaka Shirotsubaki
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    date published: 2013-01-21
track: the azurite sea and the vermillion sky
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  by artist: Hirotaka Shirotsubaki
  in album: after hours
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    date published: 2013-01-21
track: Isyo-an
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  by artist: Hirotaka Shirotsubaki
  in album: after hours
    type: MusicAlbum
    date published: 2013-01-21
track: Autumn Steps
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  by artist: Hirotaka Shirotsubaki
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    date published: 2013-01-21
track: radiational cooling
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track: False
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    date published: 2013-01-21
track: Shimoyamate-Dori
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track: after hours
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  in album: after hours
    type: MusicAlbum
    date published: 2013-01-21
track: Chaenomeles Speciosa
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  by artist: Hirotaka Shirotsubaki
  in album: after hours
    type: MusicAlbum
    date published: 2013-01-21
track: Melt Into Spring
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    date published: 2013-01-21

April
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date published: 2013-03-06
track: 6:30 a.m.
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  by artist: Hirotaka Shirotsubaki
  in album: April
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    date published: 2013-03-06
track: 10:35 a.m.
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  in album: April
    type: MusicAlbum
    date published: 2013-03-06
track: 5:10 p.m.
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    date published: 2013-03-06
track: 11:53 p.m.
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    date published: 2013-03-06

50m_silence
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date published: 2013-03-25
track: 50m_silence
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    date published: 2013-03-25

stayin' alive
type: MusicAlbum
date published: 2014-02-06
track: October Hero
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  by artist: Hirotaka Shirotsubaki
  in album: stayin' alive
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    date published: 2014-02-06
track: 90's Phantom
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  by artist: Hirotaka Shirotsubaki
  in album: stayin' alive
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    date published: 2014-02-06
track: July
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  by artist: Hirotaka Shirotsubaki
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    date published: 2014-02-06
  isrc code: QZFFG2013903
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  additional property: OTSVerifyInstructions
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    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 → block OTSBitcoinBlock must exist at that height 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
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    date published: 2026-07-04T11:19:20Z
track: Biotope
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  by artist: Hirotaka Shirotsubaki
  in album: stayin' alive
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    date published: 2014-02-06
track: Draw River
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track: Deep Forest
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track: For Poolside Lovers (Aug,25 2014)
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  by artist: Hirotaka Shirotsubaki
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    date published: 2014-02-06
track: Liquid Trace
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  by artist: Hirotaka Shirotsubaki
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    date published: 2014-02-06
track: Slowdance
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track: Jellyfish
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Perfect Days For Suicide
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date published: 2014-09-10
track: Summer Ends
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    date published: 2014-09-10
track: Algenib
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    date published: 2014-09-10
track: Discarnates
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    date published: 2014-09-10
track: Painless
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track: Campsis Grandiflora
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track: August Sparkle
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    date published: 2014-09-10
track: Kobe Bayside Story
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    date published: 2014-09-10
track: Last Swimmer
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    date published: 2014-09-10

curtain calls
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date published: 2015-06-06
track: morning mist
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    date published: 2015-06-06
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track: past season
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    date published: 2015-06-06
track: tyndall scattering
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    date published: 2015-06-06
track: halo
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  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 → block OTSBitcoinBlock must exist at that height 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
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    date published: 2026-07-04T02:06:47Z
track: rain forest
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    type: MusicAlbum
    date published: 2015-06-06
track: curtain call
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    type: MusicAlbum
    date published: 2015-06-06
track: Ikawadani
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    type: MusicAlbum
    date published: 2015-06-06
track: long sleep
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  duration ms: 640000
  explicit: false
  by artist: Hirotaka Shirotsubaki
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    type: MusicAlbum
    date published: 2015-06-06

Summer Shore / August Sky
type: MusicAlbum
date published: 2015-07-12
track: Summer Shore
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  explicit: false
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    date published: 2015-07-12
track: August Sky
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  explicit: false
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    type: MusicAlbum
    date published: 2015-07-12

Once more
type: MusicAlbum
date published: 2016-02-26
track: Gertrud
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    type: MusicAlbum
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    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 → block OTSBitcoinBlock must exist at that height 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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8edd8beccf9499849bfee3265a5ff6febae03135012fd48a46b244b6a95beaf. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZFFG2014201.
    date published: 2026-07-04T14:03:39Z
track: new dawn
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    type: MusicAlbum
    date published: 2016-02-26
track: Thaw
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track: Isolate
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track: NGS549672
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    type: MusicAlbum
    date published: 2016-02-26
track: Water Fall
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    type: MusicAlbum
    date published: 2016-02-26
track: March Rain
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  explicit: false
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    type: MusicAlbum
    date published: 2016-02-26
track: to leave newtown
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    date published: 2016-02-26
track: Waterfront
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  explicit: false
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    date published: 2016-02-26

Hanakuma / Kenchomae
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date published: 2016-10-01
track: Hanakuma
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track: Kenchomae
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    type: MusicAlbum
    date published: 2016-10-01

Wet Petals
type: MusicAlbum
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track: Downstairs
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    type: MusicAlbum
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track: Doze
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    type: MusicAlbum
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track: Hydrangea
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    type: MusicAlbum
    date published: 2017-02-09
track: Autumn Wind
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    type: MusicAlbum
    date published: 2017-02-09
track: Your Shadow
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  duration ms: 356000
  explicit: false
  by artist: Hirotaka Shirotsubaki
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    type: MusicAlbum
    date published: 2017-02-09

Reminiscence
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track: Relic
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    type: MusicAlbum
    date published: 2017-03-03
  isrc code: FR10S1794677
track: February
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    type: MusicAlbum
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  additional property: CopyrightStatus
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track: Snow Coast
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  duration: PT7M23S
  duration ms: 443999
  explicit: false
  by artist: Hirotaka Shirotsubaki
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    type: MusicAlbum
    date published: 2017-03-03
track: Cold Mountain
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  duration ms: 599999
  explicit: false
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    type: MusicAlbum
    date published: 2017-03-03
track: Under Water
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  duration: PT7M29S
  duration ms: 449499
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    date published: 2017-03-03
track: Tree Withering
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  duration ms: 542000
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track: At the End of the Season
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    date published: 2017-03-03
track: Ngs549672
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    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 → block OTSBitcoinBlock must exist at that height 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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe8efbf699eb5843df51155d29730afa5b74de6f22b0f017c10c425a37d1887f. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T14:10:56Z), 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/FR10S1794684.
    date published: 2026-07-16T14:10:56Z

fragment 2011​-​2017
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date published: 2017-09-27
track: October Hero
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track: first frost
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    type: MusicAlbum
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track: Discarnates
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    type: MusicAlbum
    date published: 2017-09-27
track: Gertrud
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  duration ms: 420127
  explicit: false
  by artist: Hirotaka Shirotsubaki
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    type: MusicAlbum
    date published: 2017-09-27
track: Cumulonimbus (Aug,14 2002)
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  explicit: false
  by artist: Hirotaka Shirotsubaki
  in album: fragment 2011​-​2017
    type: MusicAlbum
    date published: 2017-09-27
track: July
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  duration ms: 633521
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  by artist: Hirotaka Shirotsubaki
  in album: fragment 2011​-​2017
    type: MusicAlbum
    date published: 2017-09-27
track: Waterfront
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  duration: PT5M52S
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    type: MusicAlbum
    date published: 2017-09-27
track: kalte luft
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  duration ms: 475742
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    type: MusicAlbum
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track: Ikawadani
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    type: MusicAlbum
    date published: 2017-09-27
track: NGS224
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    type: MusicAlbum
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track: autumn forest
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  duration: PT7M15S
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  by artist: Hirotaka Shirotsubaki
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track: after hours
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    type: MusicAlbum
    date published: 2017-09-27
track: Kobe Bayside Story
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    type: MusicAlbum
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track: Hanakuma
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  duration ms: 540760
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    type: MusicAlbum
    date published: 2017-09-27
track: Reminiscence (Spring has come)
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  duration: PT4M36S
  duration ms: 276897
  explicit: false
  by artist: Hirotaka Shirotsubaki
  in album: fragment 2011​-​2017
    type: MusicAlbum
    date published: 2017-09-27

Suburban Quietness
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date published: 2018-01-02
track: Sluice Gate
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  duration: PT10M16S
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  explicit: false
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    type: MusicAlbum
    date published: 2018-01-02
track: Cape Jasmine
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  duration: PT9M44S
  duration ms: 584000
  explicit: false
  by artist: Hirotaka Shirotsubaki
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    type: MusicAlbum
    date published: 2018-01-02
track: Geosmin
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    type: MusicAlbum
    date published: 2018-01-02
track: Sudden Sleep
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  explicit: false
  by artist: Hirotaka Shirotsubaki
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    date published: 2018-01-02
track: Augusta
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  by artist: Hirotaka Shirotsubaki
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    date published: 2018-01-02
track: Riverbed
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  explicit: false
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    date published: 2018-01-02

Books about my imagined scenery, seasons past, and lost landscape.
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date published: 2018-05-29
track: Spring (Kafū Nagai)
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  additional property: OTSVerifyInstructions
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    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 → block OTSBitcoinBlock must exist at that height 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
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    date published: 2026-07-03T23:28:02Z
track: Summer (Jean-Jacques Rousseau)
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track: Fall (Grace Paley)
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  additional property: OTSVerifyInstructions
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    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 → block OTSBitcoinBlock must exist at that height 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
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    date published: 2026-07-04T02:06:47Z
track: Winter (Tōson Shimazaki)
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  by artist: Hirotaka Shirotsubaki
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    date published: 2018-05-29

A Seasons Past
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date published: 2018-11-12
track: Morning Haze
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  explicit: false
  by artist: Hirotaka Shirotsubaki
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    type: MusicAlbum
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track: In the Rain
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  explicit: false
  by artist: Hirotaka Shirotsubaki
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    type: MusicAlbum
    date published: 2018-11-12
track: Ōkuradani
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  duration: PT7M17S
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Last Goodbye
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slowdance​,​lowtide
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track: Afternoon Coastline
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Music for Artificial Island 1989
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Daikai
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Hyogo
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track: Hasaka
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Music for Late Night Highways
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When The Westering Sunshines on The Mountain
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Lost Cityscapes and Signs of You and Me
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track: Factory Smoke and October Sky
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Tell me a secret story in the sleepless summer midnight
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Snow / Silence
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My Lost City
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The River Will One Day Reach The Sea
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I Still Cherish Those Days When You Said They Were Ridiculous
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九夏三伏
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    date published: 2023-12-25
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track: 鶯音を入る
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track: 夕凪に舟
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The Day When Winter And Spring Intersect
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Words That I Could Not Convey To You
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    date published: 2024-08-04
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track: July (Take2)
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    date published: 2024-08-04
track: August (Take2)
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    type: MusicAlbum
    date published: 2024-08-04

In Suburbs
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    date published: 2024-08-13
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Sozenji / Itayado
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    date published: 2024-08-13

Trivial Affair
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    type: MusicAlbum
    date published: 2024-10-18
track: At Motomachi in Winter 2005
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    type: MusicAlbum
    date published: 2024-10-18
track: March Rain and Gray Green Sea
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  duration: PT7M32S
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    type: MusicAlbum
    date published: 2024-10-18
track: After the Snow
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  duration ms: 550000
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    type: MusicAlbum
    date published: 2024-10-18
track: Halo Seen at the End of Feb
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    type: MusicAlbum
    date published: 2024-10-18
track: Cloudy Sky in November
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  duration ms: 418000
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    type: MusicAlbum
    date published: 2024-10-18
track: Canal and Timber Seen From the Bus
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  duration: PT7M56S
  duration ms: 476000
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    type: MusicAlbum
    date published: 2024-10-18
track: Days of No Return
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    date published: 2024-10-18

Breath in the Cold Air
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    date published: 2025-01-10
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North Winds and West Sun
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  subject of: OpenTimestamps Proof of Existence
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Loss
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Melt
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River Trace
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  subject of: OpenTimestamps Proof of Existence
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Yukiyanagi
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  subject of: OpenTimestamps Proof of Existence
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Hakusekirei
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Harusame
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Omen of Summer
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Light of Early Summer
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Lightheartedness
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July Light Heralds Summer
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Music for Those Moments That Will Never be Reunited Again Part1
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city echo
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  duration: PT4M32S
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  by artist: Hirotaka Shirotsubaki
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    date published: 2025-07-06

Summer Night in Suma
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date published: 2025-07-21
track: Summer Night in Suma
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  duration: PT2M36S
  duration ms: 156000
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  by artist: Hirotaka Shirotsubaki
  in album: Summer Night in Suma
    type: MusicAlbum
    date published: 2025-07-21

Umi no kakera
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date published: 2025-08-01
track: Umi no kakera
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  duration: PT4M30S
  duration ms: 270558
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  by artist: Hirotaka Shirotsubaki
  in album: Umi no kakera
    type: MusicAlbum
    date published: 2025-08-01

August Afternoon
type: MusicAlbum
date published: 2025-08-04
track: August Afternoon
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180000
  explicit: false
  by artist: Hirotaka Shirotsubaki
  in album: August Afternoon
    type: MusicAlbum
    date published: 2025-08-04

End of August
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date published: 2025-08-20
track: End of August
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220000
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  by artist: Hirotaka Shirotsubaki
  in album: End of August
    type: MusicAlbum
    date published: 2025-08-20

On the Shore of Days Gone By
type: MusicAlbum
date published: 2025-09-04
track: On the Shore of Days Gone By
  type: MusicRecording
  duration: PT4M59S
  duration ms: 299500
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  by artist: Hirotaka Shirotsubaki
  in album: On the Shore of Days Gone By
    type: MusicAlbum
    date published: 2025-09-04

Moonlight
type: MusicAlbum
date published: 2025-09-19
track: Moonlight
  type: MusicRecording
  duration: PT4M12S
  duration ms: 252250
  explicit: false
  by artist: Hirotaka Shirotsubaki
  in album: Moonlight
    type: MusicAlbum
    date published: 2025-09-19

Autumn Steps (Take2)
type: MusicAlbum
date published: 2025-10-04
track: Autumn Steps (Take2)
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209500
  explicit: false
  by artist: Hirotaka Shirotsubaki
  in album: Autumn Steps (Take2)
    type: MusicAlbum
    date published: 2025-10-04
  isrc code: QZWFL2568762
  additional property: CopyrightID
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    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T02:42:58+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x8d1d2c4d785c55138331f083606616c33ae85684ac7d3d646bd455c3e8185186
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956889
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFL2568762
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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 → block OTSBitcoinBlock must exist at that height 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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d1d2c4d785c55138331f083606616c33ae85684ac7d3d646bd455c3e8185186. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZWFL2568762.
    date published: 2026-07-06T06:56:49Z

October Silence on a Sunday Morning Path
type: MusicAlbum
date published: 2025-10-20
track: October Silence on a Sunday Morning Path
  type: MusicRecording
  duration: PT6M12S
  duration ms: 372517
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  by artist: Hirotaka Shirotsubaki
  in album: October Silence on a Sunday Morning Path
    type: MusicAlbum
    date published: 2025-10-20

Kitano
type: MusicAlbum
date published: 2025-11-04
track: Kitano
  type: MusicRecording
  duration: PT5M24S
  duration ms: 324000
  explicit: false
  by artist: Hirotaka Shirotsubaki
  in album: Kitano
    type: MusicAlbum
    date published: 2025-11-04

Eizawa
type: MusicRecording
duration: PT7M17S
duration ms: 437000
explicit: false
by artist: Hirotaka Shirotsubaki
in album: Stereoscenic Records Sampler 2020
  type: MusicAlbum
  date published: 2021-06-28