Pith Number

pith:62XWWHSE

pith:2008:62XWWHSEJW5UK6OOXE3GZKHUQF

not attested not anchored not stored refs pending

The death of massive stars - I. Observational constraints on the progenitors of type II-P supernovae

Cambridge; (3) Dark Cosmology Centre, Copenhagen), J.J. Eldridge (2), J.R. Maund (3) ((1) Queen's University Belfast; (2) IoA, R.M. Crockett (1), S.J. Smartt (1)

arxiv:0809.0403 v2 · 2008-09-02 · 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{62XWWHSEJW5UK6OOXE3GZKHUQF}

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

The birth mass function of neutron stars

Receipt and verification

First computed	2026-07-04T17:12:33.443243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6af6b1e444dbb4579ceb9366ca8f4814610ed82a5ad04a75f3005bb94278704

Aliases

arxiv: 0809.0403 · arxiv_version: 0809.0403v2 · doi: 10.48550/arxiv.0809.0403 · pith_short_12: 62XWWHSEJW5U · pith_short_16: 62XWWHSEJW5UK6OO · pith_short_8: 62XWWHSE

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/62XWWHSEJW5UK6OOXE3GZKHUQF \
  | 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: f6af6b1e444dbb4579ceb9366ca8f4814610ed82a5ad04a75f3005bb94278704

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c755675719e42fdb23ebb4e14e8f52d131414cb3e6b0b226bdac7fc839b6c2ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-02T13:00:45Z",
    "title_canon_sha256": "612397d842bdcaee6964bdce35951b3c7bfd66e28e1e7de3c249eba82fcb18ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.0403",
    "kind": "arxiv",
    "version": 2
  }
}