Spiegelbild
type: MusicGroup
description: Spiegelbild is the fifth studio EP released by the Neue Deutsche Härte band Unheilig. It was released on 25 July 2008. It was strictly limited to 3,333 copies. Track listing "Spiegelbild (Extende
popularity: 2
followers: 372
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c50b41d17fca514cc0445f9e825701a66c8584c4b984d64a722464507470557. Chain 2 (Bitcoin): anchored in block 954553 (2026-06-20T11:51:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ad375fa8-3ee2-4704-88ea-aedc645009ba.json and https://artists.proofprofile.net/proofs/artist/ad375fa8-3ee2-4704-88ea-aedc645009ba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T11:51:30Z
album: Maskeball
  type: MusicAlbum
  date published: 2019-03-29
album: Maskeball
  type: MusicAlbum
  date published: 2019-03-29
album: Maskeball
  type: MusicAlbum
  date published: 2019-03-29
album: Augeblick
  type: MusicAlbum
  date published: 2019-05-24
album: Augeblick
  type: MusicAlbum
  date published: 2019-05-24
album: Wiitergah
  type: MusicAlbum
  date published: 2019-10-22
album: Wiitergah
  type: MusicAlbum
  date published: 2019-10-22
album: Momänt
  type: MusicAlbum
  date published: 2020
album: Ziit bliibt stah
  type: MusicAlbum
  date published: 2020-03-30
album: Ziit bliibt stah
  type: MusicAlbum
  date published: 2020-04-10
album: Ziit bliibt stah
  type: MusicAlbum
  date published: 2020-04-10
album: Nöd vo da
  type: MusicAlbum
  date published: 2020-09-16
album: Nöd vo da
  type: MusicAlbum
  date published: 2020-09-16
album: Fernweh
  type: MusicAlbum
  date published: 2021-06-25
album: Fernweh
  type: MusicAlbum
  date published: 2021-06-25
album: Jakarta oder Bern
  type: MusicAlbum
  date published: 2021-08-27
album: Jakarta oder Bern
  type: MusicAlbum
  date published: 2021-08-27
album: Erinnerig
  type: MusicAlbum
  date published: 2021-11-19
album: Erinnerig
  type: MusicAlbum
  date published: 2021-11-19
album: Ufgäh
  type: MusicAlbum
  date published: 2022-02-25
album: Ufgäh
  type: MusicAlbum
  date published: 2022-02-25
album: Jakarta oder Bern
  type: MusicAlbum
  date published: 2022-06-15
album: Jakarta oder Bern
  type: MusicAlbum
  date published: 2022-06-15
album: Muet
  type: MusicAlbum
  date published: 2022-07-01
album: Muet
  type: MusicAlbum
  date published: 2022-07-01
track: Days Gone By

Days Gone By
type: MusicRecording
duration: PT2M36S
duration ms: 156555
explicit: false
by artist: Anna Lux
by artist: Alienare
by artist: Schwarzschild
by artist: Seraina Telli
by artist: Spiegelbild
by artist: Elias Bertini
by artist: Aura Davis
by artist: Queen Tantrum
by artist: QUAND
in album: Days Gone By
  type: MusicAlbum
  date published: 2021-03-26
isrc code: DEPI82100988
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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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53acbad556f24c8f170e9adaa7ce617eb3b2f8014c7e0cc7318324e796c16a05. 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/DEPI82100988.
  date published: 2026-07-08T03:20:19Z
audio: Days Gone By
  type: AudioObject
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