Tenchio
type: MusicGroup
genre: math rock
genre: midwest emo
popularity: 22
followers: 3840
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8165cd89508a6f03a2e54b886155d93bed9da1b64c3cabb549daa60bb4dd85c5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ea3aae05-f6a2-4b27-9327-b91f866540d3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ea3aae05-f6a2-4b27-9327-b91f866540d3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ea3aae05-f6a2-4b27-9327-b91f866540d3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0x8165cd89508a6f03a2e54b886155d93bed9da1b64c3cabb549daa60bb4dd85c5. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ea3aae05-f6a2-4b27-9327-b91f866540d3.json and https://artists.proofprofile.net/proofs/artist/ea3aae05-f6a2-4b27-9327-b91f866540d3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: The Lechuga Compilation EP I
  type: MusicAlbum
  date published: 2017-01-27
album: The Lechuga Compilation EP II
  type: MusicAlbum
  date published: 2017-03-07
album: A.S.S.L.O.A.D.
  type: MusicAlbum
  date published: 2018-02-21
  track: RGN
    type: MusicRecording
    duration: PT1M49S
    duration ms: 109831
    explicit: false
    by artist: Tenchio
    in album: A.S.S.L.O.A.D.
      type: MusicAlbum
      date published: 2018-02-21
    genre: math rock
    genre: midwest emo
    isrc code: QZARB1876656
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T12:50:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x68030f5f00b3ac5354bdf32d01a95d6c52bb600a5761fa70278c634d17d66d9d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958157
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958157
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZARB1876656
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T15:53:04Z
    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 0x68030f5f00b3ac5354bdf32d01a95d6c52bb600a5761fa70278c634d17d66d9d. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:53:04Z), 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/QZARB1876656.
      date published: 2026-07-15T15:53:04Z
    audio: RGN
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 101.707
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.49
      additional property: Energy
        type: PropertyValue
        value: 0.48
      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.704
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.828
      additional property: Liveness
        type: PropertyValue
        value: 0.134
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.203
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.523
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Sozin's Comet
  type: MusicAlbum
  date published: 2018-06-20
album: Bedroom Chaos of the Inner Noodle
  type: MusicAlbum
  date published: 2018-11-21
album: Spry
  type: MusicAlbum
  date published: 2019-05-23
album: 004 Sigh-TM Stutter
  type: MusicAlbum
  date published: 2019-06-01
album: One Hit Kill
  type: MusicAlbum
  date published: 2019-12-21
album: Redisconnect
  type: MusicAlbum
  date published: 2020-01-20
album: Days with you
  type: MusicAlbum
  date published: 2020-03-31
album: Multiband Depression
  type: MusicAlbum
  date published: 2020-06-15
album: Crosshatching Holographs of a Cityscape (Antiopus)
  type: MusicAlbum
  date published: 2020-07-10
  track: Let's Sell Our Lifespan
    type: MusicRecording
    duration: PT1M38S
    duration ms: 98124
    explicit: false
    by artist: Tenchio
    in album: Crosshatching Holographs of a Cityscape (Antiopus)
      type: MusicAlbum
      date published: 2020-07-10
    genre: math rock
    genre: midwest emo
    isrc code: QZHN52075611
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T22:15:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3871ad7e2211ed747f692b724e976bfa007607d7094c339032c53b4cf17ac219
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956639
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956639
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52075611
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T11:19:20Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3871ad7e2211ed747f692b724e976bfa007607d7094c339032c53b4cf17ac219. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZHN52075611.
      date published: 2026-07-04T11:19:20Z
    audio: Let's Sell Our Lifespan
  track: 3 Day Observer
  track: Shadow Newspaper Technique
  track: Donchee Lunch
  track: Greyscale Rose -Possible Lettuce-
  track: Redisconnect
  track: Ache
album: Sapphire (2020 ver.)
album: the sweater in question
album: milipen
album: Ache (live acoustic from my room)
album: Skeleton (Lettuce ver.)
album: Flightless Bird, American Mouth
album: Projector
album: Live @ Devotion X Mecha Yuri: Summer Of Love
album: Acceptance
album: TRAUMA
album: A Thousand Miles
album: caminamos
album: fogbrain
album: ONSET
album: PLAY DEAD (Quiet Ver.)
album: PLAY DEAD (Human ver.)
album: DEATHGLOW
album: fistlight (for me)
album: numbers
album: Lechuga Renaissance
album: brian emo
album: CHRISTMAS★ROCK (from osu!)
album: Toxic
album: The Rest (Renaissance Session)
album: brian emo (Voiceless ver.)

Let's Sell Our Lifespan
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 159.932
additional property: Musical Key
  type: PropertyValue
  value: 3
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.334
additional property: Energy
  type: PropertyValue
  value: 0.803
additional property: Speechiness
  type: PropertyValue
  value: 0.037
additional property: Acousticness
  type: PropertyValue
  value: 0.467
additional property: Instrumentalness
  type: PropertyValue
  value: 0.827
additional property: Liveness
  type: PropertyValue
  value: 0.212
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.138
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.634
additional property: Key Name
  type: PropertyValue
  value: Eb
additional property: Mode Name
  type: PropertyValue
  value: Major

3 Day Observer
type: MusicRecording
duration: PT3M7S
duration ms: 187500
explicit: false
by artist: Tenchio
in album: Crosshatching Holographs of a Cityscape (Antiopus)
  type: MusicAlbum
  date published: 2020-07-10
genre: math rock
genre: midwest emo
isrc code: QZHN52075612
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T02:05:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x44610255f9950c8aefec9d5134c46a6bb0a067c10cdc9ceba1bb20d4f9761f72
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958955
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958955
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52075612
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T05:07:10Z
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 0x44610255f9950c8aefec9d5134c46a6bb0a067c10cdc9ceba1bb20d4f9761f72. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T05:07:10Z), 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/QZHN52075612.
  date published: 2026-07-21T05:07:10Z
audio: 3 Day Observer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.949
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.361
  additional property: Energy
    type: PropertyValue
    value: 0.904
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.861
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.28
  additional property: Loudness (dB)
    type: PropertyValue
    value: -2.379
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Shadow Newspaper Technique
type: MusicRecording
duration: PT2M11S
duration ms: 131000
explicit: false
by artist: Tenchio
in album: Crosshatching Holographs of a Cityscape (Antiopus)
  type: MusicAlbum
  date published: 2020-07-10
genre: math rock
genre: midwest emo
isrc code: QZHN52075613
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T12:22:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8eeb2f7128c529d3e5eb15281a5a0826ce5b4caeae2d605dfa2cde5c336931c1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958157
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958157
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52075613
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T15:23:11Z
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 0x8eeb2f7128c529d3e5eb15281a5a0826ce5b4caeae2d605dfa2cde5c336931c1. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:23:11Z), 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/QZHN52075613.
  date published: 2026-07-15T15:23:11Z
audio: Shadow Newspaper Technique
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 153.993
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.385
  additional property: Energy
    type: PropertyValue
    value: 0.943
  additional property: Speechiness
    type: PropertyValue
    value: 0.113
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.902
  additional property: Liveness
    type: PropertyValue
    value: 0.391
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.68
  additional property: Loudness (dB)
    type: PropertyValue
    value: -2.829
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Donchee Lunch
type: MusicRecording
duration: PT3M20S
duration ms: 200624
explicit: true
by artist: Tenchio
in album: Crosshatching Holographs of a Cityscape (Antiopus)
  type: MusicAlbum
  date published: 2020-07-10
genre: math rock
genre: midwest emo
isrc code: QZHN52075615
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T00:37:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0572fdaa88a28c242282b220fe592dfb470be6501eea57127a979932594281d5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956440
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956440
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52075615
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T04:03:57Z
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 0x0572fdaa88a28c242282b220fe592dfb470be6501eea57127a979932594281d5. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/QZHN52075615.
  date published: 2026-07-03T04:03:57Z
audio: Donchee Lunch
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.725
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.274
  additional property: Energy
    type: PropertyValue
    value: 0.855
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.763
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.314
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.855
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Greyscale Rose -Possible Lettuce-
type: MusicRecording
duration: PT1M41S
duration ms: 101000
explicit: false
by artist: Tenchio
in album: Crosshatching Holographs of a Cityscape (Antiopus)
  type: MusicAlbum
  date published: 2020-07-10
genre: math rock
genre: midwest emo
isrc code: QZHN52075617
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T05:29:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x440dcf65e8e2e0b3a30860f59385665e0f6a185fa090c4b38e081abe42063db1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959105
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959105
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52075617
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T08:31:39Z
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 0x440dcf65e8e2e0b3a30860f59385665e0f6a185fa090c4b38e081abe42063db1. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T08:31:39Z), 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/QZHN52075617.
  date published: 2026-07-22T08:31:39Z
audio: Greyscale Rose -Possible Lettuce-
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.082
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.226
  additional property: Energy
    type: PropertyValue
    value: 0.817
  additional property: Speechiness
    type: PropertyValue
    value: 0.077
  additional property: Acousticness
    type: PropertyValue
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Redisconnect
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in album: Crosshatching Holographs of a Cityscape (Antiopus)
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genre: math rock
genre: midwest emo
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/958716
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYW2099820
additional property: OTSTimestamp
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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 → 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf208bb36ab150f61d625bacafcb1551397fa20e0d6cffe9f92660dd116f2dba5. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/QZFYW2099820.
  date published: 2026-07-19T10:15:55Z
audio: Redisconnect
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Ache
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duration: PT2M42S
duration ms: 162000
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by artist: Tenchio
in album: Crosshatching Holographs of a Cityscape (Antiopus)
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genre: math rock
genre: midwest emo
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additional property: OTSVerificationAPI
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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 → 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
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  date published: 2026-07-14T20:39:42Z
audio: Ache
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Sapphire (2020 ver.)
type: MusicAlbum
date published: 2020-08-15

the sweater in question
type: MusicAlbum
date published: 2020-09-18

milipen
type: MusicAlbum
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Ache (live acoustic from my room)
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date published: 2021-05-22

Skeleton (Lettuce ver.)
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date published: 2021-07-10

Flightless Bird, American Mouth
type: MusicAlbum
date published: 2021-07-10

Flightless Bird, American Mouth
type: MusicAlbum
date published: 2021-07-10

Skeleton (Lettuce ver.)
type: MusicAlbum
date published: 2021-07-10

Projector
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date published: 2021-07-25
track: Projector
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  genre: math rock
  genre: midwest emo
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-12T00:10:15Z
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Live @ Devotion X Mecha Yuri: Summer Of Love
type: MusicAlbum
date published: 2021-08-27

Acceptance
type: MusicAlbum
date published: 2022-12-02

TRAUMA
type: MusicAlbum
date published: 2023-02-01

A Thousand Miles
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date published: 2023-04-01

caminamos
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date published: 2023-06-10

fogbrain
type: MusicAlbum
date published: 2023-08-10

ONSET
type: MusicAlbum
date published: 2023-09-08

PLAY DEAD (Quiet Ver.)
type: MusicAlbum
date published: 2023-11-20

PLAY DEAD (Human ver.)
type: MusicAlbum
date published: 2024-05-16

DEATHGLOW
type: MusicAlbum
date published: 2024-06-24

fistlight (for me)
type: MusicAlbum
date published: 2024-06-27
track: fistlight - for me
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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 → 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
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    date published: 2026-07-21T14:48:05Z
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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numbers
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date published: 2024-07-31

Lechuga Renaissance
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date published: 2024-09-01

brian emo
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date published: 2024-11-20
track: OK fine
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-21T20:28:52Z
  audio: OK fine
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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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 → 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
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    date published: 2026-07-04T11:19:20Z
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  subject of: OpenTimestamps Proof of Existence
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track: XIII

OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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
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date published: 2026-07-06T01:25:57Z

Chinless behavior
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XIII
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by artist: Tenchio
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  date published: 2024-11-20
genre: math rock
genre: midwest emo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-21T20:36:54Z
audio: XIII
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brian emo
type: MusicAlbum
date published: 2024-11-29

CHRISTMAS★ROCK (from osu!)
type: MusicAlbum
date published: 2024-12-24

Toxic
type: MusicAlbum
date published: 2025-01-10

The Rest (Renaissance Session)
type: MusicAlbum
date published: 2025-02-13

brian emo (Voiceless ver.)
type: MusicAlbum
date published: 2025-03-10
track: OK fine - Voiceless ver.
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    date published: 2026-07-05T10:01:46Z
  audio: OK fine - Voiceless ver.
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