Mason Lindahl
type: MusicGroup
description: Mason Lindahl is a guitarist and songwriter from Sacramento, California, United States. Prominently known for his unique fingerstyle guitar playing. Mason has been compared to guitarists and songwrit
popularity: 17
followers: 3895
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  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
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  date published: 2026-06-15T04:44:49Z
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album: Serrated Man Sound
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  date published: 2009-10-20
album: Sky Breaking, Clouds Falling
  type: MusicAlbum
  date published: 2020-07-03
album: Outside Laughing
  type: MusicAlbum
  date published: 2020-09-18
album: Kissing Rosie in the Rain
  type: MusicAlbum
  date published: 2021-01-22
album: Kissing Rosy in the Rain
  type: MusicAlbum
  date published: 2021-01-22
  track: Rising
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    by artist: Mason Lindahl
    in album: Kissing Rosy in the Rain
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      date published: 2021-01-22
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T19:27:56Z
    audio: Rising
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  track: Outside Laughing
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    by artist: Mason Lindahl
    in album: Kissing Rosy in the Rain
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      date published: 2021-01-22
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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: 2026-07-05T04:47:21Z
    audio: Outside Laughing
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  track: Distress
  track: Soft Light
album: slow sun stops
album: Joshua Underwater
album: Little Sister
album: Joshua / Same Day Walking

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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Distress
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duration: PT3M21S
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by artist: Mason Lindahl
in album: Kissing Rosy in the Rain
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x296518856fcb4e01151fdddd2b678e08d84cf865ea3e2e704170dea12c94d0e2. Chain 2 (Bitcoin): anchored in block 958432 (2026-07-17T15:43:17Z), 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/USCBL2070004.
  date published: 2026-07-17T15:43:17Z
audio: Distress
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Soft Light
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duration: PT1M47S
duration ms: 107426
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by artist: Mason Lindahl
in album: Kissing Rosy in the Rain
  type: MusicAlbum
  date published: 2021-01-22
isrc code: USCBL2070005
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5729e9d41191023b91506c82d3955aed6824af9e8b764a9e2daa1c2a04e2a2c. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/USCBL2070005.
  date published: 2026-07-03T21:18:05Z
audio: Soft Light
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slow sun stops
type: MusicAlbum
date published: 2022-06-10

Joshua Underwater
type: MusicAlbum
date published: 2025-07-22

Little Sister
type: MusicAlbum
date published: 2025-07-22

Joshua / Same Day Walking
type: MusicAlbum
date published: 2025-07-22