Pith Number

pith:BHA6OVV2

pith:2012:BHA6OVV23K6TE36NMOGPCDX77B

not attested not anchored not stored refs pending

BSSN equations in spherical coordinates without regularization: vacuum and non-vacuum spherically symmetric spacetimes

Isabel Cordero-Carrion, Pedro J. Montero

arxiv:1204.5377 v2 · 2012-04-24 · gr-qc · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BHA6OVV23K6TE36NMOGPCDX77B}

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

1 paper in Pith

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

Receipt and verification

First computed	2026-05-18T01:57:46.756697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09c1e756badabd326fcd638cf10efff87ee2b22881d4f42e6323019c13e43bfa

Aliases

arxiv: 1204.5377 · arxiv_version: 1204.5377v2 · doi: 10.48550/arxiv.1204.5377 · pith_short_12: BHA6OVV23K6T · pith_short_16: BHA6OVV23K6TE36N · pith_short_8: BHA6OVV2

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/BHA6OVV23K6TE36NMOGPCDX77B \
  | 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: 09c1e756badabd326fcd638cf10efff87ee2b22881d4f42e6323019c13e43bfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "378c9105da914c265323767577899c6089d02ba77dc5871d995721cb501a2471",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-04-24T13:54:08Z",
    "title_canon_sha256": "bb5f11888b15a215a15a31f0116912a3b7165b770981bfcff4963f8af11722b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5377",
    "kind": "arxiv",
    "version": 2
  }
}