Steffen Thum
type: MusicGroup
description: Steffen Thum (born 8 June 1988) is a German composer for film, TV, games and advertising, based in Berlin. He is known for his work on the Netflix Original film The Old Guard 2, Paramount Pictures' Cr
popularity: 15
followers: 294
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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: 2026-06-14T20:19:15Z
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album: Ignite (Original Score)
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  date published: 2018-08-20
album: Looking Up (Original Score)
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  date published: 2019-09-27
album: Tribal: Get out Alive (Original Score)
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album: Revenge (Main Theme) (from ”Stockholm Bloodbath”)
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album: Blodsystrar (from ”Stockholm Bloodbath”)
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  date published: 2024-01-05
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T12:31:54Z
    audio: Blodsystrar (from ”Stockholm Bloodbath”)
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album: Didrik and the Boys (from ”Stockholm Bloodbath”)
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album: Stockholm Bloodbath (Original Motion Picture Soundtrack)
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-04T02:06:47Z
    audio: Blodsystrar
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album: All the Right Questions (From ”Slingshot”)
album: The Titan Mission (Main Theme) (from ”Slingshot”)
album: Slingshot (Original Motion Picture Soundtrack)
album: Untold
album: Birdsong
album: Three
album: Interludes I

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All the Right Questions (From ”Slingshot”)
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date published: 2024-08-13

The Titan Mission (Main Theme) (from ”Slingshot”)
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date published: 2024-08-23

Slingshot (Original Motion Picture Soundtrack)
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date published: 2024-08-30
track: I'm Leaving
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  by artist: Steffen Thum
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-04T10:04:33Z
  audio: I'm Leaving
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track: Memories of Zoe
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T01:12:41Z
  audio: Memories of Zoe
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track: All the Right Questions
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  subject of: OpenTimestamps Proof of Existence
  audio: All the Right Questions

OTSTimestamp
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value: 2026-07-16T02:28:43Z

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
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee4db31c55aaee5757bf1b272bb3b9969f0d325671dd3298cb4b21a49c280cf8. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QZWV32439702.
date published: 2026-07-16T02:28:43Z

All the Right Questions
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additional property: Tempo (BPM)
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additional property: Mode (Major/Minor)
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  value: 1
additional property: Time Signature
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  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.155
additional property: Energy
  type: PropertyValue
  value: 0.148
additional property: Speechiness
  type: PropertyValue
  value: 0.038
additional property: Acousticness
  type: PropertyValue
  value: 0.197
additional property: Instrumentalness
  type: PropertyValue
  value: 0.925
additional property: Liveness
  type: PropertyValue
  value: 0.084
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.029
additional property: Loudness (dB)
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additional property: Key Name
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  value: G
additional property: Mode Name
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  value: Major

Untold
type: MusicAlbum
date published: 2025-09-12

Birdsong
type: MusicAlbum
date published: 2025-10-03

Three
type: MusicAlbum
date published: 2025-10-24

Interludes I
type: MusicAlbum
date published: 2025-11-07