Pith Number

pith:IY5NJ25E

pith:2014:IY5NJ25ENPMDA4DQDO2ALRD6QS

not attested not anchored not stored refs pending

Spinors on Singular Spaces and the Topology of Causal Fermion Systems

Felix Finster, Niky Kamran

arxiv:1403.7885 v4 · 2014-03-31 · math-ph · gr-qc · math.DG · 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{IY5NJ25ENPMDA4DQDO2ALRD6QS}

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	2026-05-17T23:47:07.660968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

463ad4eba46bd83070701bb405c47e849d99ddda273613300ac0371565a9e3c9

Aliases

arxiv: 1403.7885 · arxiv_version: 1403.7885v4 · doi: 10.48550/arxiv.1403.7885 · pith_short_12: IY5NJ25ENPMD · pith_short_16: IY5NJ25ENPMDA4DQ · pith_short_8: IY5NJ25E

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/IY5NJ25ENPMDA4DQDO2ALRD6QS \
  | 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: 463ad4eba46bd83070701bb405c47e849d99ddda273613300ac0371565a9e3c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "082502f7414e581f0131f76a7a4b9db50f770575e4f8b0b80838d0e096ce0c6c",
    "cross_cats_sorted": [
      "gr-qc",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-03-31T06:37:31Z",
    "title_canon_sha256": "d84b8b45d96cad87973d47bf38b498bf054fa9e3863ca23e6d5671ab7386249e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7885",
    "kind": "arxiv",
    "version": 4
  }
}