Pith Number

pith:KE4LX3LI

pith:2025:KE4LX3LILI4WFKE6MRO5Y6BPUX

not attested not anchored not stored refs pending

Causal Fermion Systems: Spacetime as the web of correlations of a many-body quantum system

Claudio F. Paganini, Patrick Fischer

arxiv:2504.19272 v1 · 2025-04-27 · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KE4LX3LILI4WFKE6MRO5Y6BPUX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Quantum Reference Frames and Correlation Geometry

Receipt and verification

First computed	2026-07-05T10:54:54.828584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5138bbed685a3962a89e645ddc782fa5f5c020ceadf60c175f560f7d0935c84e

Aliases

arxiv: 2504.19272 · arxiv_version: 2504.19272v1 · doi: 10.48550/arxiv.2504.19272 · pith_short_12: KE4LX3LILI4W · pith_short_16: KE4LX3LILI4WFKE6 · pith_short_8: KE4LX3LI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KE4LX3LILI4WFKE6MRO5Y6BPUX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 5138bbed685a3962a89e645ddc782fa5f5c020ceadf60c175f560f7d0935c84e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10e851a1f0a92c0eb2b6996419a4c423af0087e1c3c309245ff203857f9f0cf7",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2025-04-27T15:05:59Z",
    "title_canon_sha256": "e1f3202b7f78e54ca27c60c01512c0767f1ded384a9854d161455125e62717e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19272",
    "kind": "arxiv",
    "version": 1
  }
}