Morgan Robertson
type: MusicGroup
description: Morgan Andrew Robertson (September 30, 1861 - March 24, 1915) was an American author of short stories and novels, and the self-proclaimed inventor of the periscope. Robertson is best known for his 189
popularity: 6
followers: 372
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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: 2026-06-21T02:46:24Z
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album: Goodbye Train
  type: MusicAlbum
  date published: 2021-10-22
album: Sunday (Acoustic)
  type: MusicAlbum
  date published: 2022-08-19
album: Straws
  type: MusicAlbum
  date published: 2022-09-29
album: Another Beer
  type: MusicAlbum
  date published: 2024-05-17
album: Crude
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  date published: 2024-10-04
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      date published: 2024-10-04
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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: 2026-07-22T00:24:41Z
    audio: Crude
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album: Green Eyes
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  date published: 2024-10-25
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      date published: 2024-10-25
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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: 2026-07-20T01:56:27Z
    audio: Green Eyes
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      additional property: Danceability
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album: Eighteen

Speechiness
type: PropertyValue
value: 0.032

Acousticness
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value: 0.068

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.13

Valence (Positivity)
type: PropertyValue
value: 0.342

Loudness (dB)
type: PropertyValue
value: -6.374

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Eighteen
type: MusicAlbum
date published: 2024-11-01