Pith Number

pith:D3WX2NXC

pith:2013:D3WX2NXCXEZOJBIMXNQHBZHURI

not attested not anchored not stored refs pending

Rigidity of stationary black holes with small angular momentum on the horizon

A. D. Ionescu, S. Alexakis, S. Klainerman

arxiv:1304.0487 v2 · 2013-04-01 · gr-qc · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D3WX2NXCXEZOJBIMXNQHBZHURI}

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	2026-05-18T02:29:25.365034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eed7d36e2b932e4850cbb6070e4f48a0aed5073494a22d8291d0fd0e9192339

Aliases

arxiv: 1304.0487 · arxiv_version: 1304.0487v2 · doi: 10.48550/arxiv.1304.0487 · pith_short_12: D3WX2NXCXEZO · pith_short_16: D3WX2NXCXEZOJBIM · pith_short_8: D3WX2NXC

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/D3WX2NXCXEZOJBIMXNQHBZHURI \
  | 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: 1eed7d36e2b932e4850cbb6070e4f48a0aed5073494a22d8291d0fd0e9192339

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99eeb551ebd1dae1de3e1e35f676fda6f254efdf03401e19727635c87e80a361",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-01T21:41:56Z",
    "title_canon_sha256": "148b8ef469053481acc629d0b9649c51b3b6eac987e03e761e04b021ea7d69fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0487",
    "kind": "arxiv",
    "version": 2
  }
}