Nostalgia Avenue
type: MusicGroup
genre: lo-fi
popularity: 9
followers: 57
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x201472fd7c5c8b477c30d6cfb3d2f4526e24de04aa23e70422f73e36ba7cad36
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954631
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d2119c7d-c69c-4e7e-82a7-fb84be9eb59b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d2119c7d-c69c-4e7e-82a7-fb84be9eb59b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d2119c7d-c69c-4e7e-82a7-fb84be9eb59b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T02:46:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x201472fd7c5c8b477c30d6cfb3d2f4526e24de04aa23e70422f73e36ba7cad36. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d2119c7d-c69c-4e7e-82a7-fb84be9eb59b.json and https://artists.proofprofile.net/proofs/artist/d2119c7d-c69c-4e7e-82a7-fb84be9eb59b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
  text: {"copyright_id":"0x201472fd7c5c8b477c30d6cfb3d2f4526e24de04aa23e70422f73e36ba7cad36","name":"Nostalgia Avenue","registered_at":"2026-06-21T01:27:16Z","symbol":"NIM1777315","token_address":"0xdc37bb1e4812076c5334d73457d937e3f0155472","type":"artist","uuid":"d2119c7d-c69c-4e7e-82a7-fb84be9eb59b"}
album: Covers Vol. 22
  type: MusicAlbum
  date published: 2023-02-10
  track: Attention - lofi instrumental
    type: MusicRecording
    duration: PT1M42S
    duration ms: 102126
    explicit: false
    by artist: Nostalgia Avenue
    in album: Covers Vol. 22
      type: MusicAlbum
      date published: 2023-02-10
    genre: lo-fi
    isrc code: GX89G2370620
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T02:33:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5fba93b13f5550691593699753b7885bc63a27a1f40c697d2479b6db39706622
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958484
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958484
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX89G2370620
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T03:34:53Z
    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 0x5fba93b13f5550691593699753b7885bc63a27a1f40c697d2479b6db39706622. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/GX89G2370620.
      date published: 2026-07-18T03:34:53Z
    audio: Attention - lofi instrumental
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 160.035
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.721
      additional property: Energy
        type: PropertyValue
        value: 0.169
      additional property: Speechiness
        type: PropertyValue
        value: 0.146
      additional property: Acousticness
        type: PropertyValue
        value: 0.238
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.924
      additional property: Liveness
        type: PropertyValue
        value: 0.376
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.076
      additional property: Loudness (dB)
        type: PropertyValue
        value: -16.911
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Me! - lofi instrumental
    type: MusicRecording
    duration: PT1M38S
    duration ms: 98130
    explicit: false
    by artist: Nostalgia Avenue
    in album: Covers Vol. 22
      type: MusicAlbum
      date published: 2023-02-10
    genre: lo-fi
    isrc code: GX89G2318823
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T04:01:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3bbd5ad455dd142877f5d76c4db50e1314855deb13e7c8abfc8b912bc82137f4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958491
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958491
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX89G2318823
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T04:29:42Z
    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 0x3bbd5ad455dd142877f5d76c4db50e1314855deb13e7c8abfc8b912bc82137f4. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/GX89G2318823.
      date published: 2026-07-18T04:29:42Z
    audio: Me! - lofi instrumental
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.011
      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: 0.771
      additional property: Energy
        type: PropertyValue
        value: 0.136
      additional property: Speechiness
        type: PropertyValue
        value: 0.086
      additional property: Acousticness
        type: PropertyValue
        value: 0.75
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.955
      additional property: Liveness
        type: PropertyValue
        value: 0.364
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.3
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: My Head & My Heart - lofi instrumental
  track: Visiting Hours - lofi instrumental
album: Attention
album: My Head & My Heart
album: Me!
album: Visiting Hours
album: Wellerman (Sea Shanty)
album: Star Walkin' (League of Legends World)
album: Leave the Door Open
album: Build a Bitch
album: Deja Vu
album: On My Way

Loudness (dB)
type: PropertyValue
value: -17.055

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Minor

My Head & My Heart - lofi instrumental
type: MusicRecording
duration: PT1M33S
duration ms: 93062
explicit: false
by artist: Nostalgia Avenue
in album: Covers Vol. 22
  type: MusicAlbum
  date published: 2023-02-10
genre: lo-fi
isrc code: GX89G2332662
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T10:57:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf2e96644983348a551808d92f07d0b2a010b08f119277c96628162759a999f9a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958728
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX89G2332662
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T12:24:55Z
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 0xf2e96644983348a551808d92f07d0b2a010b08f119277c96628162759a999f9a. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/GX89G2332662.
  date published: 2026-07-19T12:24:55Z
audio: My Head & My Heart - lofi instrumental
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 160.004
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.749
  additional property: Energy
    type: PropertyValue
    value: 0.252
  additional property: Speechiness
    type: PropertyValue
    value: 0.089
  additional property: Acousticness
    type: PropertyValue
    value: 0.815
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.904
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.23
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.191
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Visiting Hours - lofi instrumental
type: MusicRecording
duration: PT1M9S
duration ms: 69055
explicit: false
by artist: Nostalgia Avenue
in album: Covers Vol. 22
  type: MusicAlbum
  date published: 2023-02-10
genre: lo-fi
isrc code: GX89G2306349
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T09:45:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ebc2c951b1aed80376b3e90401d56070b4208f791c3eb1d813734473d27a985
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958276
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX89G2306349
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T12:47:03Z
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 0x7ebc2c951b1aed80376b3e90401d56070b4208f791c3eb1d813734473d27a985. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:47:03Z), 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/GX89G2306349.
  date published: 2026-07-16T12:47:03Z
audio: Visiting Hours - lofi instrumental
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 160.085
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.633
  additional property: Energy
    type: PropertyValue
    value: 0.099
  additional property: Speechiness
    type: PropertyValue
    value: 0.145
  additional property: Acousticness
    type: PropertyValue
    value: 0.926
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.92
  additional property: Liveness
    type: PropertyValue
    value: 0.37
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.448
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.468
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Attention
type: MusicAlbum
date published: 2025-08-28

My Head & My Heart
type: MusicAlbum
date published: 2025-08-28

Me!
type: MusicAlbum
date published: 2025-08-28

Visiting Hours
type: MusicAlbum
date published: 2025-08-28

Wellerman (Sea Shanty)
type: MusicAlbum
date published: 2025-08-29

Star Walkin' (League of Legends World)
type: MusicAlbum
date published: 2025-08-29

Leave the Door Open
type: MusicAlbum
date published: 2025-08-29

Build a Bitch
type: MusicAlbum
date published: 2025-08-29

Deja Vu
type: MusicAlbum
date published: 2025-08-29

On My Way
type: MusicAlbum
date published: 2025-08-29