mandu
type: MusicGroup
popularity: 10
followers: 439
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x733be63e257e3e86c6e823c5aaa923157b9af178c5c73a555990e3d81eea3a7d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953958
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953958
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/27744c23-608e-40ec-bc11-b584096b05f0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/27744c23-608e-40ec-bc11-b584096b05f0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/27744c23-608e-40ec-bc11-b584096b05f0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:52:44Z
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 0x733be63e257e3e86c6e823c5aaa923157b9af178c5c73a555990e3d81eea3a7d. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/27744c23-608e-40ec-bc11-b584096b05f0.json and https://artists.proofprofile.net/proofs/artist/27744c23-608e-40ec-bc11-b584096b05f0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
album: beautiful nowhere to be found
  type: MusicAlbum
  date published: 2016-12-03
album: sleep & drive
  type: MusicAlbum
  date published: 2017-01-06
album: sleep & drive
  type: MusicAlbum
  date published: 2017-01-06
album: forget you someday
  type: MusicAlbum
  date published: 2017-05-08
album: forget you someday
  type: MusicAlbum
  date published: 2017-05-08
album: lost but together
  type: MusicAlbum
  date published: 2017-10-16
album: lost but together
  type: MusicAlbum
  date published: 2017-10-16
album: ok nights
  type: MusicAlbum
  date published: 2017-10-22
album: ok nights
  type: MusicAlbum
  date published: 2017-10-22
album: waiting on no one
  type: MusicAlbum
  date published: 2017-11-30
album: night drives, just us
  type: MusicAlbum
  date published: 2018-02-09
album: night drives, just us
  type: MusicAlbum
  date published: 2018-02-09
album: forget about
  type: MusicAlbum
  date published: 2018-06-10
album: still feel the same
  type: MusicAlbum
  date published: 2018-07-29
album: still feel the same
  type: MusicAlbum
  date published: 2018-07-29
album: waiting on no one
  type: MusicAlbum
  date published: 2018-11-26
  track: waiting on no one
    type: MusicRecording
    duration: PT2M39S
    duration ms: 159402
    explicit: false
    by artist: mandu
    in album: waiting on no one
      type: MusicAlbum
      date published: 2018-11-26
    isrc code: SE6A91812581
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T22:29:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x36363304186b86aaef29db9670f812b92f9e97c62c0e635e710deac4e97cd4ca
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956857
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956857
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6A91812581
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:26:17Z
    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 0x36363304186b86aaef29db9670f812b92f9e97c62c0e635e710deac4e97cd4ca. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/SE6A91812581.
      date published: 2026-07-06T01:26:17Z
    audio: waiting on no one
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.645
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.314
      additional property: Energy
        type: PropertyValue
        value: 0.326
      additional property: Speechiness
        type: PropertyValue
        value: 0.04
      additional property: Acousticness
        type: PropertyValue
        value: 0.891
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.408
      additional property: Liveness
        type: PropertyValue
        value: 0.193
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.127
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.883
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: beautiful nowhere to be found
  type: MusicAlbum
  date published: 2018-11-26
  track: beautiful nowhere to be found
    type: MusicRecording
    duration: PT2M45S
    duration ms: 165333
    explicit: false
    by artist: mandu
    in album: beautiful nowhere to be found
      type: MusicAlbum
      date published: 2018-11-26
    isrc code: SE6A91812579
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T08:38:21+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0d183090017e542a9e3ab2604053f904a0e5157a4b76a18eefd735c2fec11282
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958544
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958544
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6A91812579
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T12:14:37Z
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: beautiful nowhere to be found
album: dragon hood
album: staying here
album: close the door
album: stripped blue
album: waves
album: blankets
album: see around
album: remember everything
album: KUROSHIO: SUMMER
album: calling you
album: late tomorrow
album: all morning
album: return of a time

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d183090017e542a9e3ab2604053f904a0e5157a4b76a18eefd735c2fec11282. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/SE6A91812579.
date published: 2026-07-18T12:14:37Z

beautiful nowhere to be found
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 179.675
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.253
additional property: Energy
  type: PropertyValue
  value: 0.356
additional property: Speechiness
  type: PropertyValue
  value: 0.05
additional property: Acousticness
  type: PropertyValue
  value: 0.86
additional property: Instrumentalness
  type: PropertyValue
  value: 0.815
additional property: Liveness
  type: PropertyValue
  value: 0.155
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.084
additional property: Loudness (dB)
  type: PropertyValue
  value: -12.709
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

dragon hood
type: MusicAlbum
date published: 2019-05-29

staying here
type: MusicAlbum
date published: 2019-07-14

dragon hood
type: MusicAlbum
date published: 2020-03-09

close the door
type: MusicAlbum
date published: 2020-08-01

stripped blue
type: MusicAlbum
date published: 2020-08-01

waves
type: MusicAlbum
date published: 2021-02-06

blankets
type: MusicAlbum
date published: 2021-06-01

see around
type: MusicAlbum
date published: 2021-08-21

remember everything
type: MusicAlbum
date published: 2022-05-19

remember everything
type: MusicAlbum
date published: 2022-09-08

KUROSHIO: SUMMER
type: MusicAlbum
date published: 2023-02-12

calling you
type: MusicAlbum
date published: 2023-05-02

late tomorrow
type: MusicAlbum
date published: 2023-06-21

all morning
type: MusicAlbum
date published: 2023-09-17

return of a time
type: MusicAlbum
date published: 2024-02-25