Pith Number

pith:67YO22YX

pith:2006:67YO22YXADGMETR2SXC7ROJOLI

not attested not anchored not stored refs pending

Hidden Quantum Gravity in 4d Feynman diagrams: Emergence of spin foams

Aristide Baratin, Laurent Freidel

arxiv:hep-th/0611042 v2 · 2006-11-03 · hep-th · gr-qc · 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{67YO22YXADGMETR2SXC7ROJOLI}

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	2026-07-04T15:25:16.800385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7f0ed6b1700ccc24e3a95c5f8b92e5a37f9717b59506945f05943d4b16eb7f7

Aliases

arxiv: hep-th/0611042 · arxiv_version: hep-th/0611042v2 · doi: 10.48550/arxiv.hep-th/0611042 · pith_short_12: 67YO22YXADGM · pith_short_16: 67YO22YXADGMETR2 · pith_short_8: 67YO22YX

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/67YO22YXADGMETR2SXC7ROJOLI \
  | 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: f7f0ed6b1700ccc24e3a95c5f8b92e5a37f9717b59506945f05943d4b16eb7f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4689bb1f1c4c93a7d308946e9a5d84472664dd9c1b6cae16ae4ba0f3722a1c3b",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2006-11-03T18:46:14Z",
    "title_canon_sha256": "5fab2fb86baf7a25939f627ad81d7406a1d13376becdfc8018057597e4aaafd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0611042",
    "kind": "arxiv",
    "version": 2
  }
}