Pith Number

pith:JXNOYL5I

pith:2010:JXNOYL5IECDDA33PJQWCSCAMDS

not attested not anchored not stored refs pending

Dynamical Chern-Simons modified gravity, Godel Universe and variable cosmological constant

A. F. Santos, A. Yu. Petrov, C. Furtado, J. R. Nascimento

arxiv:1004.5106 v2 · 2010-04-28 · hep-th · 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{JXNOYL5IECDDA33PJQWCSCAMDS}

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	2026-05-18T02:24:15.311733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ddaec2fa82086306f6f4c2c29080c1c988c1facd17ca99614e912c3a5b72fd5

Aliases

arxiv: 1004.5106 · arxiv_version: 1004.5106v2 · doi: 10.48550/arxiv.1004.5106 · pith_short_12: JXNOYL5IECDD · pith_short_16: JXNOYL5IECDDA33P · pith_short_8: JXNOYL5I

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/JXNOYL5IECDDA33PJQWCSCAMDS \
  | 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: 4ddaec2fa82086306f6f4c2c29080c1c988c1facd17ca99614e912c3a5b72fd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff87fad590251df529512a26d95b09aed59f568fac70d4a684d0d86e1eddf03f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-04-28T18:45:32Z",
    "title_canon_sha256": "11c7b19a769cb99a68e31b5d9c4027a2328712f7c41b495f960a5eff9c3aa83b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5106",
    "kind": "arxiv",
    "version": 2
  }
}