Pith Number

pith:EJB4ZQO2

pith:2007:EJB4ZQO2JAQ3NE54AD6CDC2NNO

not attested not anchored not stored refs pending

Fermion Systems in Discrete Space-Time Exemplifying the Spontaneous Generation of a Causal Structure

Alexander Diethert, Daniela Schiefeneder, Felix Finster

arxiv:0710.4420 v3 · 2007-10-24 · math-ph · gr-qc · hep-th · 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{EJB4ZQO2JAQ3NE54AD6CDC2NNO}

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	2026-05-18T02:35:24.435900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2243ccc1da4821b693bc00fc218b4d6bac2c14e160e828d8328e50029f6ea3e1

Aliases

arxiv: 0710.4420 · arxiv_version: 0710.4420v3 · doi: 10.48550/arxiv.0710.4420 · pith_short_12: EJB4ZQO2JAQ3 · pith_short_16: EJB4ZQO2JAQ3NE54 · pith_short_8: EJB4ZQO2

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/EJB4ZQO2JAQ3NE54AD6CDC2NNO \
  | 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: 2243ccc1da4821b693bc00fc218b4d6bac2c14e160e828d8328e50029f6ea3e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18e7d7c70c2d0e2c31d290479ff093048f36a8222e47d8e049cbc1db012e6652",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2007-10-24T10:07:21Z",
    "title_canon_sha256": "77c6f6e2221260c593b27799225778e8b8786ea77bf07f8c2219a661855e6ae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.4420",
    "kind": "arxiv",
    "version": 3
  }
}