Pith Number

pith:KBF4BXVB

pith:2011:KBF4BXVB4GTGK6MZY3B4MKD4V4

not attested not anchored not stored refs pending

Effective action and semiclassical limit of spin foam models

A. Mikovic, M. Vojinovic

arxiv:1104.1384 v2 · 2011-04-07 · gr-qc · hep-th · 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{KBF4BXVB4GTGK6MZY3B4MKD4V4}

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	2026-05-18T04:09:56.359645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

504bc0dea1e1a6657999c6c3c6287caf3ab7c250e531a723dcfeaffa5f1d69a5

Aliases

arxiv: 1104.1384 · arxiv_version: 1104.1384v2 · doi: 10.48550/arxiv.1104.1384 · pith_short_12: KBF4BXVB4GTG · pith_short_16: KBF4BXVB4GTGK6MZ · pith_short_8: KBF4BXVB

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/KBF4BXVB4GTGK6MZY3B4MKD4V4 \
  | 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: 504bc0dea1e1a6657999c6c3c6287caf3ab7c250e531a723dcfeaffa5f1d69a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2133dc3529d16fa807b929b0bd6b592975752c083da336ef1793a57eb2bb0f62",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-04-07T17:12:43Z",
    "title_canon_sha256": "a0397749da170fa60f99bc6eccd229dacb3a006be9d38629312a95c0af8a3a6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1384",
    "kind": "arxiv",
    "version": 2
  }
}