Pith Number

pith:5Y6BO7JS

pith:2012:5Y6BO7JSFF3XCAIYZZNSG2PG2C

not attested not anchored not stored refs pending

Numerical Relativity in Spherical Polar Coordinates: Evolution Calculations with the BSSN Formulation

Ewald M\"uller, Isabel Cordero-Carri\'on, Pedro J. Montero, Thomas W. Baumgarte

arxiv:1211.6632 v1 · 2012-11-28 · gr-qc · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5Y6BO7JSFF3XCAIYZZNSG2PG2C}

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.

Cited by

2 papers in Pith

BHaHAHA: A Fast, Robust Apparent Horizon Finder Library for Numerical Relativity

Splitting the Gravitational Atom: Instabilities of Black Holes with Synchronized or Resonant Hair

Receipt and verification

First computed	2026-05-18T01:52:53.884454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee3c177d322977710118ce5b2369e6d0ad3e9fae9eba645e9d882826b5e73ebc

Aliases

arxiv: 1211.6632 · arxiv_version: 1211.6632v1 · doi: 10.48550/arxiv.1211.6632 · pith_short_12: 5Y6BO7JSFF3X · pith_short_16: 5Y6BO7JSFF3XCAIY · pith_short_8: 5Y6BO7JS

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/5Y6BO7JSFF3XCAIYZZNSG2PG2C \
  | 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: ee3c177d322977710118ce5b2369e6d0ad3e9fae9eba645e9d882826b5e73ebc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8b705d0ae88e6212ae49ac0dd2ae16aa0c7ed20bf8d620cdcbd000d76841ec1",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-11-28T15:23:04Z",
    "title_canon_sha256": "f672525394f74ace2edffc5e296cfaf47fa9242b5e8b5d1a2979f6c3d62fb3a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6632",
    "kind": "arxiv",
    "version": 1
  }
}