Pith Number

pith:4SZG72VR

pith:2012:4SZG72VRCS3N6XLME6SMZ5SC2S

not attested not anchored not stored refs pending

A note on the Holst action, the time gauge, and the Barbero-Immirzi parameter

Karim Noui, Marc Geiller

arxiv:1212.5064 v2 · 2012-12-20 · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SZG72VRCS3N6XLME6SMZ5SC2S}

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	2026-05-18T02:56:35.424549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4b26feab114b6df5d6c27a4ccf642d4ab0efc6705d546ab8eaef527871ac23d

Aliases

arxiv: 1212.5064 · arxiv_version: 1212.5064v2 · doi: 10.48550/arxiv.1212.5064 · pith_short_12: 4SZG72VRCS3N · pith_short_16: 4SZG72VRCS3N6XLM · pith_short_8: 4SZG72VR

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/4SZG72VRCS3N6XLME6SMZ5SC2S \
  | 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: e4b26feab114b6df5d6c27a4ccf642d4ab0efc6705d546ab8eaef527871ac23d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8b3d8757ac6e3e69c5d721f774e12ded6867dfb085879d4bb32fa51951cd39e",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-12-20T14:47:50Z",
    "title_canon_sha256": "59ddc4aa6cf1536cdee05f65951987e7629692639045317b8fd6835426a22d25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5064",
    "kind": "arxiv",
    "version": 2
  }
}