Pith Number

pith:34O2RRMG

pith:2002:34O2RRMGXLYQU3Q6IJUG7EWPAT

not attested not anchored not stored refs pending

Constraining the Birth Events of Neutron Stars

D. J. Helfand (Columbia), V. M. Kaspi (McGill/MIT)

arxiv:astro-ph/0201183 v2 · 2002-01-11 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{34O2RRMGXLYQU3Q6IJUG7EWPAT}

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

Effects of Rotation on 3D Core-Collapse Supernova Models for Low-Mass Progenitors

A phenomenological model of the magnetic field re-emergence in magnetars and discrepancy between the kinematic and characteristic ages

Receipt and verification

First computed	2026-07-04T14:11:45.490320Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df1da8c586baf10a6e1e42686f92cf04fa4b441ae4ee54bb7cc45d7d1491e011

Aliases

arxiv: astro-ph/0201183 · arxiv_version: astro-ph/0201183v2 · doi: 10.48550/arxiv.astro-ph/0201183 · pith_short_12: 34O2RRMGXLYQ · pith_short_16: 34O2RRMGXLYQU3Q6 · pith_short_8: 34O2RRMG

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/34O2RRMGXLYQU3Q6IJUG7EWPAT \
  | 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: df1da8c586baf10a6e1e42686f92cf04fa4b441ae4ee54bb7cc45d7d1491e011

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64ccfa5030e4e5b577873ff88ec029fe85585f208f23f57923700eb9f9e29399",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-11T21:32:10Z",
    "title_canon_sha256": "8c15543d4d26a94750fa084e9061dca57947e0990d652fa70abba7e6cd39ffee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201183",
    "kind": "arxiv",
    "version": 2
  }
}