Pith Number

pith:3HOWA6RF

pith:2012:3HOWA6RFO42MO4M56YUO4YBCOG

not attested not anchored not stored refs pending

An all-purpose metric for the exterior of any kind of rotating neutron star

George Pappas, Theocharis A. Apostolatos

arxiv:1209.6148 v1 · 2012-09-27 · gr-qc · astro-ph.HE · 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{3HOWA6RFO42MO4M56YUO4YBCOG}

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	2026-05-18T03:34:02.869911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9dd607a257734c7719df628ee60227187447940d11106fa10cb4059fdeb15be

Aliases

arxiv: 1209.6148 · arxiv_version: 1209.6148v1 · doi: 10.48550/arxiv.1209.6148 · pith_short_12: 3HOWA6RFO42M · pith_short_16: 3HOWA6RFO42MO4M5 · pith_short_8: 3HOWA6RF

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/3HOWA6RFO42MO4M56YUO4YBCOG \
  | 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: d9dd607a257734c7719df628ee60227187447940d11106fa10cb4059fdeb15be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1146ca534cca0acd933e86166521d94ee53f91c4eb59b40b9b00682f035bea5c",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-09-27T07:39:10Z",
    "title_canon_sha256": "0693d420ab1e83f1474814f3370f1730619e402c1cefd6bf5040296d1d1671f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6148",
    "kind": "arxiv",
    "version": 1
  }
}