Pith Number

pith:J4KZFDTA

pith:2012:J4KZFDTA3RAYWBAO6IHDFUE4F5

not attested not anchored not stored refs pending

Gauging gravity with SO(1,3) for spin-1/2 particles

Arpan Saha, Banibrata Mukhopadhyay

arxiv:1201.4649 v1 · 2012-01-23 · 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{J4KZFDTA3RAYWBAO6IHDFUE4F5}

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	2026-05-18T04:04:05.498408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f15928e60dc418b040ef20e32d09c2f64bf48be3792fcf3344b9ac8a27663f1

Aliases

arxiv: 1201.4649 · arxiv_version: 1201.4649v1 · doi: 10.48550/arxiv.1201.4649 · pith_short_12: J4KZFDTA3RAY · pith_short_16: J4KZFDTA3RAYWBAO · pith_short_8: J4KZFDTA

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/J4KZFDTA3RAYWBAO6IHDFUE4F5 \
  | 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: 4f15928e60dc418b040ef20e32d09c2f64bf48be3792fcf3344b9ac8a27663f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9dd3c62937ad808b9a1b1e184e6f6e68976c15cc8eb3e5195bd0f563ca24307",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-01-23T08:48:07Z",
    "title_canon_sha256": "23b7d334cf5340ff38d0877434cae5e8be21e4e39c41d73baf0c4e543a5fa340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4649",
    "kind": "arxiv",
    "version": 1
  }
}