Pith Number

pith:MXHNP5EN

pith:2013:MXHNP5ENS334NRY4K3NQURH42J

not attested not anchored not stored refs pending

A Non-Perturbative Construction of the Fermionic Projector on Globally Hyperbolic Manifolds I - Space-Times of Finite Lifetime

Felix Finster, Moritz Reintjes

arxiv:1301.5420 v4 · 2013-01-23 · math-ph · gr-qc · math.FA · 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{MXHNP5ENS334NRY4K3NQURH42J}

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.

Receipt and verification

First computed	2026-05-18T01:22:08.930115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65ced7f48d96f7c6c71c56db0a44fcd2682caef9a132ba88725df690dc70652c

Aliases

arxiv: 1301.5420 · arxiv_version: 1301.5420v4 · doi: 10.48550/arxiv.1301.5420 · pith_short_12: MXHNP5ENS334 · pith_short_16: MXHNP5ENS334NRY4 · pith_short_8: MXHNP5EN

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/MXHNP5ENS334NRY4K3NQURH42J \
  | 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: 65ced7f48d96f7c6c71c56db0a44fcd2682caef9a132ba88725df690dc70652c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdccfbc8407ced7cc41de2b4b92923296532b6fb3f99dd53639723ed83840ebe",
    "cross_cats_sorted": [
      "gr-qc",
      "math.FA",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-01-23T07:36:34Z",
    "title_canon_sha256": "e7c013a5462a1141bdce4d5b3a2e7941d996a4abba9a1e9e1213724d243f95e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5420",
    "kind": "arxiv",
    "version": 4
  }
}