Pith Number

pith:EMMHNF74

pith:2009:EMMHNF74WZXGOCGW2XVWIZ7JLX

not attested not anchored not stored refs pending

Non-Abelian Lovelock-Born-Infeld Topological Black Holes

N. Bostani, N. Farhangkhah

arxiv:0909.0309 v2 · 2009-09-02 · 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{EMMHNF74WZXGOCGW2XVWIZ7JLX}

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	2026-05-18T00:19:59.792171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23187697fcb66e6708d6d5eb6467e95df0a798a318b3cdb123f456b90bd3e9bb

Aliases

arxiv: 0909.0309 · arxiv_version: 0909.0309v2 · doi: 10.48550/arxiv.0909.0309 · pith_short_12: EMMHNF74WZXG · pith_short_16: EMMHNF74WZXGOCGW · pith_short_8: EMMHNF74

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/EMMHNF74WZXGOCGW2XVWIZ7JLX \
  | 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: 23187697fcb66e6708d6d5eb6467e95df0a798a318b3cdb123f456b90bd3e9bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2119dacf7dab6a053e74e6ed73693a889e69481693be020ededfbeab5cb08cba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-09-02T03:06:07Z",
    "title_canon_sha256": "1c5d3af0b8f6c60e97c0900265413c3248bcf0640931cda23086846eb7427ed0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0309",
    "kind": "arxiv",
    "version": 2
  }
}