Pith Number

pith:O42N2QSI

pith:2009:O42N2QSI3BHYL2TNFNOOD6QALD

not attested not anchored not stored refs pending

Reformulation of the Hamiltonian constraint of four dimensional gravity for arbitrary values of the Immirzi parameter via the affine group formalism

Eyo Eyo Ita III

arxiv:0901.4098 v5 · 2009-01-26 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O42N2QSI3BHYL2TNFNOOD6QALD}

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	2026-05-18T03:06:33.080578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7734dd4248d84f85ea6d2b5ce1fa0058cbb14d407cb7740c2f23da63217a70a0

Aliases

arxiv: 0901.4098 · arxiv_version: 0901.4098v5 · doi: 10.48550/arxiv.0901.4098 · pith_short_12: O42N2QSI3BHY · pith_short_16: O42N2QSI3BHYL2TN · pith_short_8: O42N2QSI

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/O42N2QSI3BHYL2TNFNOOD6QALD \
  | 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: 7734dd4248d84f85ea6d2b5ce1fa0058cbb14d407cb7740c2f23da63217a70a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c3d033c3be7f0946275414ab10870b6471d3e23b226c4f2bb08000a8cddeb8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-01-26T20:57:18Z",
    "title_canon_sha256": "32df72c46a56e109d84ab7d9225974c13dd3faa6f2e9f6e0f9b6983e7f8b96e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4098",
    "kind": "arxiv",
    "version": 5
  }
}