Herbert Spencer
type: MusicGroup
description: Herbert Spencer (27 April 1820 – 8 December 1903) was an English polymath active as a philosopher, psychologist, biologist, sociologist, and anthropologist. Spencer originated the expression "survival
popularity: 6
followers: 49
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additional property: OTSVerifyInstructions
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48f4e50dc8e12808c9630fdda5eaa4dda730e9566580be58524649d1e1cdff86. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e3cee38c-7260-49f4-a24b-16060365ab0e.json and https://artists.proofprofile.net/proofs/artist/e3cee38c-7260-49f4-a24b-16060365ab0e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
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track: Underneath the Stars
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  by artist: Herbert Spencer
  by artist: Charlie Siem
  by artist: Munich Radio Orchestra
  by artist: Paul Goodwin
  in album: Under the Stars
    type: MusicAlbum
    date published: 2014-09-19
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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 0xd50b9fb810497eadfd7417e3c3664e7b0eb91d142fc1f2e7292bb34eac39b332. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEE861400084.
    date published: 2026-07-02T03:55:08Z
  audio: Underneath the Stars
    type: AudioObject
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Underneath the Stars
  type: MusicRecording
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  by artist: Herbert Spencer
  by artist: Charlie Siem
  by artist: Munich Radio Orchestra
  by artist: Paul Goodwin
  in album: KuschelKlassik Vol. 20
    type: MusicAlbum
    date published: 2019-03-22
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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 0xd50b9fb810497eadfd7417e3c3664e7b0eb91d142fc1f2e7292bb34eac39b332. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEE861400084.
    date published: 2026-07-08T03:20:19Z
  audio: Underneath the Stars
    type: AudioObject
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    additional property: Loudness (dB)
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track: Absinthe Frappé

Absinthe Frappé
type: MusicRecording
duration: PT2M35S
duration ms: 155866
explicit: false
by artist: Earle H.Hagen
by artist: Herbert Spencer
by artist: The Spencer-Hagen Orchestra
by artist: Albert Sandler
by artist: Alfred Newman
by artist: Carroll Gibbons
by artist: Charles Williams
by artist: Christian Chevallier
by artist: Cyril Ornadel
by artist: Frank Cordell
by artist: Freddy Martin
by artist: Harry Hermann
by artist: Henry Hall
by artist: Jack Hylton
by artist: Jack Leon
by artist: Laurie Johnson
by artist: Mario 'Harp' Lorenzi
by artist: Monia Liter
by artist: Otto Dobrindt
by artist: Robert Farnon
by artist: Tony Osborne
by artist: Wal-Berg
by artist: Walter Collins
by artist: Albert Sandler Orchestra
by artist: The BBC Dance Orchestra
by artist: Christian Chevallier Orchestra
by artist: Frank Cordell Orchestra
by artist: Freddy Martin & His Orchestra
by artist: Group Fifty Orchestra
by artist: Harry Hermann Orchestra
by artist: Harry Hudson's Melody Men
by artist: International Novelty Quartet
by artist: Jack Hylton & His Orchestra
by artist: London Promenade Orchestra
by artist: Mario 'Harp’ Lorenzi Rhythmics
by artist: MGM Studio Orchestra
by artist: Monia Liter Orchestra
by artist: New Concert Orchestra
by artist: New Light Symphony Orchestra
by artist: The New Mayfair Dance Orchestra
by artist: Otto Dobrindt Piano Symphonists
by artist: Queen's Hall Light Orchestra
by artist: Shilkret's Rhythm Melodists
by artist: Starlight Symphony
by artist: Tony Osborne & Orchestra
by artist: Wal Berg Orchestra
in album: The Golden Age of Light Music: Contrasts: From the 1960s back to the 1920s - Vol. 2
  type: MusicAlbum
  date published: 2014-11-15
popularity: 3
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x178d2ba6ed4a09a424aa9c7eca94c23c17b959e9f256a4680bcf9d0143a52486. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/CH6631452308.
  date published: 2026-07-30T07:28:30Z
audio: Absinthe Frappé
  type: AudioObject
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  additional property: Danceability
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  additional property: Valence (Positivity)
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  additional property: Key Name
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Valence (Positivity)
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value: 0.086

Loudness (dB)
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value: -18.273

Key Name
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value: Eb

Mode Name
type: PropertyValue
value: Major