Pith Number

pith:QPQL4U77

pith:2009:QPQL4U77BH5OHHVRPHAWJ7EPCT

not attested not anchored not stored refs pending

Born-Infeld Determinantal gravity and the taming of the conical singularity in 3-dimensional spacetime

Franco Fiorini, Rafael Ferraro

arxiv:0910.4693 v2 · 2009-10-25 · 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{QPQL4U77BH5OHHVRPHAWJ7EPCT}

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	2026-05-18T02:34:12.934175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83e0be53ff09fae39eb179c164fc8f14ec600a4a08afb7239f7ffdaa1e98647b

Aliases

arxiv: 0910.4693 · arxiv_version: 0910.4693v2 · doi: 10.48550/arxiv.0910.4693 · pith_short_12: QPQL4U77BH5O · pith_short_16: QPQL4U77BH5OHHVR · pith_short_8: QPQL4U77

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/QPQL4U77BH5OHHVRPHAWJ7EPCT \
  | 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: 83e0be53ff09fae39eb179c164fc8f14ec600a4a08afb7239f7ffdaa1e98647b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37996a6fd75626d90d5a2cb5834a12fe3d30ac6e3d676a362b075d1d279d1d62",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-10-25T01:11:10Z",
    "title_canon_sha256": "2fcf8a842a727e6c930eb09944cef77ac98f30060521db28e2c93ac9f0701fca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4693",
    "kind": "arxiv",
    "version": 2
  }
}