Jacob's Ladder
type: MusicGroup
description: thumb|Picture of the Jacob's Ladder in the original Luther Bibles (of 1534 and also 1545) Jacob's Ladder () is a ladder or staircase leading to Heaven that was featured in a dream the Biblical Patria
popularity: 10
followers: 452
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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 0xfc47f409fa465647f1a71837d4d09b53b47cbd25c89fbd395ff9c6c2e3af8781. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/22897b92-678e-4bf1-8d76-22e1ca96618b.json and https://artists.proofprofile.net/proofs/artist/22897b92-678e-4bf1-8d76-22e1ca96618b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
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album: Ana B'koach
  type: MusicAlbum
  date published: 2023-06-01
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album: Mareh Kohen
  type: MusicAlbum
  date published: 2025-09-14
  track: Mareh Kohen
    type: MusicRecording
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    by artist: Jacob's Ladder
    in album: Mareh Kohen
      type: MusicAlbum
      date published: 2025-09-14
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    additional property: OTSVerificationAPI
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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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      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8891a45b62a14630654f21fb96d32a91e2a5db898bb994dc95292e66889298fa. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/QZZ7U2518163.
      date published: 2026-07-13T07:53:33Z
    audio: Mareh Kohen
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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