Pith Number

pith:V3URP4HS

pith:2001:V3URP4HS4JLKMF6D3XLLBSURWK

not attested not anchored not stored refs pending

Evolution and Explosion of Very Massive Primordial Stars

A. Heger, I. Baraffe, S. E. Woosley, T. Abel

arxiv:astro-ph/0112059 v1 · 2001-12-04 · 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{V3URP4HS4JLKMF6D3XLLBSURWK}

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	2026-07-04T16:24:34.225159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aee917f0f2e256a617c3ddd6b0ca91b2ad5dab4146eeef6cffa8103b586c297b

Aliases

arxiv: astro-ph/0112059 · arxiv_version: astro-ph/0112059v1 · doi: 10.48550/arxiv.astro-ph/0112059 · pith_short_12: V3URP4HS4JLK · pith_short_16: V3URP4HS4JLKMF6D · pith_short_8: V3URP4HS

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/V3URP4HS4JLKMF6D3XLLBSURWK \
  | 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: aee917f0f2e256a617c3ddd6b0ca91b2ad5dab4146eeef6cffa8103b586c297b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd2d28f249da01cca76394653ad97bf8bdbdbd2e1e8c120b36421a107b2fb5fd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-04T04:44:15Z",
    "title_canon_sha256": "297fba2beacd78e07a830171fe061ae100b36b93c1dc0d0defbe97cf400ad6c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112059",
    "kind": "arxiv",
    "version": 1
  }
}