Pith Number

pith:BRRRMCB2

pith:2013:BRRRMCB2W7R4E3MGZKRMQ4INMV

not attested not anchored not stored refs pending

Three dimensional Eddington--inspired Born--Infeld gravity: solutions

India), Sayan Kar (IIT Kharagpur, Soumya Jana

arxiv:1302.2697 v2 · 2013-02-12 · 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{BRRRMCB2W7R4E3MGZKRMQ4INMV}

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	2026-05-18T01:51:42.334290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c6316083ab7e3c26d86caa2c8710d656209066cd4f6598a11eba4d56ad9e020

Aliases

arxiv: 1302.2697 · arxiv_version: 1302.2697v2 · doi: 10.48550/arxiv.1302.2697 · pith_short_12: BRRRMCB2W7R4 · pith_short_16: BRRRMCB2W7R4E3MG · pith_short_8: BRRRMCB2

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/BRRRMCB2W7R4E3MGZKRMQ4INMV \
  | 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: 0c6316083ab7e3c26d86caa2c8710d656209066cd4f6598a11eba4d56ad9e020

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c9905aa4043b0aee00be0044cacbebc408e1b8db5a07447201cc0a2820b7e1c",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-12T04:12:06Z",
    "title_canon_sha256": "f418e514de9dd7d07d298eb8d9c46772a76994325ef6f1e332b228f1afe547e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2697",
    "kind": "arxiv",
    "version": 2
  }
}