Anthony Braxton
type: MusicGroup
genre: avant-garde
genre: free jazz
genre: jazz
description: Anthony Braxton (born June 4, 1945) is an American experimental composer, educator, music theorist, improviser, and multi-instrumentalist who is best known for playing saxophones, particularly the alt
popularity: 19
followers: 31441
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe30c3dc8b5d41ab1007655c218705ee0f38d62fe4867409c47c92d5b6c80313f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953746
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953746
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a49e49a2-2b73-4194-9980-98c6a94ad53e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a49e49a2-2b73-4194-9980-98c6a94ad53e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a49e49a2-2b73-4194-9980-98c6a94ad53e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T05:25:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe30c3dc8b5d41ab1007655c218705ee0f38d62fe4867409c47c92d5b6c80313f","name":"Anthony Braxton","registered_at":"2026-06-14T21:52:52Z","symbol":"NIM0587628","token_address":"0xabdd7fb71a6354c9a930d6adab6fea8d7d8c0743","type":"artist","uuid":"a49e49a2-2b73-4194-9980-98c6a94ad53e"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe30c3dc8b5d41ab1007655c218705ee0f38d62fe4867409c47c92d5b6c80313f. Chain 2 (Bitcoin): anchored in block 953746 (2026-06-15T05:25:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a49e49a2-2b73-4194-9980-98c6a94ad53e.json and https://artists.proofprofile.net/proofs/artist/a49e49a2-2b73-4194-9980-98c6a94ad53e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T05:25:34Z
  text: {"copyright_id":"0xe30c3dc8b5d41ab1007655c218705ee0f38d62fe4867409c47c92d5b6c80313f","name":"Anthony Braxton","registered_at":"2026-06-14T21:52:52Z","symbol":"NIM0587628","token_address":"0xabdd7fb71a6354c9a930d6adab6fea8d7d8c0743","type":"artist","uuid":"a49e49a2-2b73-4194-9980-98c6a94ad53e"}
album: Four Compositions (Wesleyan - 2013)
  type: MusicAlbum
  date published: 2023-09-22
  track: Composition No 364F (+364g +272)
    type: MusicRecording
    duration: PT63M13S
    duration ms: 3793760
    explicit: false
    by artist: Anthony Braxton
    by artist: Ronald Dahinden
    by artist: Hildegard Kleeb
    in album: Four Compositions (Wesleyan - 2013)
      type: MusicAlbum
      date published: 2023-09-22
    genre: free-improvisation
    genre: free-jazz
    genre: jazz-saxophone
    genre: african-american-classical
    genre: avant-garde-jazz
    isrc code: CZDB82300001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-08T00:06:04+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x081fa0447d9c201bd40baf535192d4aa7669d40e83b59e06514db72e4d53c9cb
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957145
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957145
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZDB82300001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T08:56:20Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081fa0447d9c201bd40baf535192d4aa7669d40e83b59e06514db72e4d53c9cb. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/CZDB82300001.
      date published: 2026-07-08T08:56:20Z
    audio: Composition No 364F (+364g +272)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 98.158
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.323
      additional property: Energy
        type: PropertyValue
        value: 0.277
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0.988
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.827
      additional property: Liveness
        type: PropertyValue
        value: 0.163
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.109
      additional property: Loudness (dB)
        type: PropertyValue
        value: -17.34
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 12 Comp (Zim) 2017
  type: MusicAlbum
  date published: 2021-06-04
album: Solo in Peitz
  type: MusicAlbum
  date published: 2020-07-03
album: タウン・ホール1972
  type: MusicAlbum
  date published: 2020-05-20
  track: コンポジション I（タウンホール・コンサート：パート１｜コンポーザー／パーカッショニスト：ジェローム・クーパーに捧ぐ）／ コンポジション II（タウンホール・コンサート：パート２｜コンポーザー／ピアニスト：フレデリック・ルゼウスキーに捧ぐ） コンポジション
    type: MusicRecording
    duration: PT18M20S
    duration ms: 1100960
    explicit: false
    by artist: Anthony Braxton
    in album: タウン・ホール1972
      type: MusicAlbum
      date published: 2020-05-20
    genre: free-improvisation
    genre: free-jazz
    genre: jazz-saxophone
    genre: african-american-classical
    genre: avant-garde-jazz
    isrc code: JPS801945027
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-31T21:18:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4d5ab337473d1cfdfaa3f2968074a0b18f6f329dbc0b3fae4c4b2d56bc631765
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 960473
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/960473
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPS801945027
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-31T22:27:44Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d5ab337473d1cfdfaa3f2968074a0b18f6f329dbc0b3fae4c4b2d56bc631765. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/JPS801945027.
      date published: 2026-07-31T22:27:44Z
    audio: コンポジション I（タウンホール・コンサート：パート１｜コンポーザー／パーカッショニスト：ジェローム・クーパーに捧ぐ）／ コンポジション II（タウンホール・コンサート：パート２｜コンポーザー／ピアニスト：フレデリック・ルゼウスキーに捧ぐ） コンポジション
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 101.345
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Duo (Bologna) 2018
album: Quartet (New Haven) 2014
album: The Essential Anthony Braxton - The Arista Years
album: Solo (Victoriaville) 2017
album: Duets
album: Quartet (Santa Cruz) 1993 - 2nd Set
album: 3 Compositions (Eemhm) 2011
album: Quartet (Santa Cruz) 1993 - 1st Set
album: Trio and Duet
album: Eight (+1) Tristano Compositions 1989 for Warne Marsh
album: The Complete Braxton 1971 - Vol. 2
album: The Complete Braxton 1971 - Vol. 1
album: Braxton: Duo Leipzig 1993
album: Braxton: Duets, Hamburg 1991
album: Braxton: Duet - Live at Merkin Hall 1994
album: Town Hall (Trio & Quintet) 1972
album: Duets (Pittsburgh) 2008
album: Gtm (Syntax) 2003 Composition 339 & 340
album: Gtm (Outpost) 2003 Composition 255 & 265
album: 19 Standards (Quartet) 2003
album: Seven Compositions (Trio) 1989
album: Creative Orchestra - Köln, 1978 (Live)
album: Duo (Heidelberg Loppem) 2007 [Live]
album: Beyond Quantum
album: Composition 367b
album: 9 Compositions (Iridium) 2006
album: Solo Willisau
album: This Time...
album: Performance (Quartet) 1979
album: Ninetet (Yoshi's) 1997, Vol. 4
album: Composition 323 A; Composition 323 B
album: Knitting Factory (Piano Quartet) 1994, Vol. 1
album: Duo: Wesleyan, 1994
album: Compositions 175 & 126 (For Four Vocalists and Constructed Environment)
album: B-Xo Noi 47a
album: 4 Compositions (Ulrichsberg) 2005 Phonomanie Viii

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.397

Energy
type: PropertyValue
value: 0.245

Speechiness
type: PropertyValue
value: 0.249

Acousticness
type: PropertyValue
value: 0.706

Instrumentalness
type: PropertyValue
value: 0.348

Liveness
type: PropertyValue
value: 0.113

Valence (Positivity)
type: PropertyValue
value: 0.36

Loudness (dB)
type: PropertyValue
value: -19.761

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Duo (Bologna) 2018
type: MusicAlbum
date published: 2020-04-20

Quartet (New Haven) 2014
type: MusicAlbum
date published: 2019-06-21

The Essential Anthony Braxton - The Arista Years
type: MusicAlbum
date published: 2018-06-01

Solo (Victoriaville) 2017
type: MusicAlbum
date published: 2017-10-12

Duets
type: MusicAlbum
date published: 2017-09-15

Quartet (Santa Cruz) 1993 - 2nd Set
type: MusicAlbum
date published: 2016-05-02

3 Compositions (Eemhm) 2011
type: MusicAlbum
date published: 2016-04-01

Quartet (Santa Cruz) 1993 - 1st Set
type: MusicAlbum
date published: 2015-03-30

Trio and Duet
type: MusicAlbum
date published: 2014-01-01

Eight (+1) Tristano Compositions 1989 for Warne Marsh
type: MusicAlbum
date published: 2013-02-04

The Complete Braxton 1971 - Vol. 2
type: MusicAlbum
date published: 2011-05-10

The Complete Braxton 1971 - Vol. 1
type: MusicAlbum
date published: 2011-05-10

Braxton: Duo Leipzig 1993
type: MusicAlbum
date published: 2011-04-01

Braxton: Duets, Hamburg 1991
type: MusicAlbum
date published: 2011-04-01

Braxton: Duet - Live at Merkin Hall 1994
type: MusicAlbum
date published: 2011-04-01

Town Hall (Trio & Quintet) 1972
type: MusicAlbum
date published: 2011-02-28

Duets (Pittsburgh) 2008
type: MusicAlbum
date published: 2010-12-10

Gtm (Syntax) 2003 Composition 339 & 340
type: MusicAlbum
date published: 2010-05-01

Gtm (Outpost) 2003 Composition 255 & 265
type: MusicAlbum
date published: 2010-05-01

19 Standards (Quartet) 2003
type: MusicAlbum
date published: 2010-05-01

Seven Compositions (Trio) 1989
type: MusicAlbum
date published: 2009-01-01

Creative Orchestra - Köln, 1978 (Live)
type: MusicAlbum
date published: 2009-01-01
track: Language Improvisitions - Live
  type: MusicRecording
  duration: PT14M34S
  duration ms: 874840
  explicit: false
  by artist: Anthony Braxton
  in album: Creative Orchestra - Köln, 1978 (Live)
    type: MusicAlbum
    date published: 2009-01-01
  genre: free-improvisation
  genre: free-jazz
  genre: jazz-saxophone
  genre: african-american-classical
  genre: avant-garde-jazz
  isrc code: QM6N21577520
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T16:43:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc0d4048611dddce440414896922f67d4fdd4469f2ad04819a70212f4711e0ccc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21577520
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0d4048611dddce440414896922f67d4fdd4469f2ad04819a70212f4711e0ccc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QM6N21577520.
    date published: 2026-07-08T03:20:19Z
  audio: Language Improvisitions - Live
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.885
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.201
    additional property: Energy
      type: PropertyValue
      value: 0.525
    additional property: Speechiness
      type: PropertyValue
      value: 0.069
    additional property: Acousticness
      type: PropertyValue
      value: 0.767
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.275
    additional property: Liveness
      type: PropertyValue
      value: 0.72
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.138
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.15
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Duo (Heidelberg Loppem) 2007 [Live]
type: MusicAlbum
date published: 2009

Beyond Quantum
type: MusicAlbum
date published: 2008-08-19

Composition 367b
type: MusicAlbum
date published: 2008

9 Compositions (Iridium) 2006
type: MusicAlbum
date published: 2007-04-03

Solo Willisau
type: MusicAlbum
date published: 2007-01-01

This Time...
type: MusicAlbum
date published: 2007

Performance (Quartet) 1979
type: MusicAlbum
date published: 2007

Ninetet (Yoshi's) 1997, Vol. 4
type: MusicAlbum
date published: 2007

Composition 323 A; Composition 323 B
type: MusicAlbum
date published: 2007

Knitting Factory (Piano Quartet) 1994, Vol. 1
type: MusicAlbum
date published: 2006-04-25

Duo: Wesleyan, 1994
type: MusicAlbum
date published: 2006-04-25

Compositions 175 & 126 (For Four Vocalists and Constructed Environment)
type: MusicAlbum
date published: 2006

B-Xo Noi 47a
type: MusicAlbum
date published: 2006

4 Compositions (Ulrichsberg) 2005 Phonomanie Viii
type: MusicAlbum
date published: 2006