Pith Number

pith:ECQZOQAU

pith:2004:ECQZOQAUPOM3RWAADQZ7Q4FKUS

not attested not anchored not stored refs pending

Population Synthesis for Progenitors of Type Ia Supernovae

Lev R. Yungelson

arxiv:astro-ph/0409677 v1 · 2004-09-28 · 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{ECQZOQAUPOM3RWAADQZ7Q4FKUS}

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	2026-05-18T01:27:16.567195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20a19740147b99b8d8001c33f870aaa48d41fb3fe6e7750b596700047a08ff5c

Aliases

arxiv: astro-ph/0409677 · arxiv_version: astro-ph/0409677v1 · doi: 10.48550/arxiv.astro-ph/0409677 · pith_short_12: ECQZOQAUPOM3 · pith_short_16: ECQZOQAUPOM3RWAA · pith_short_8: ECQZOQAU

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/ECQZOQAUPOM3RWAADQZ7Q4FKUS \
  | 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: 20a19740147b99b8d8001c33f870aaa48d41fb3fe6e7750b596700047a08ff5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea376a363bc28a22e84386e544f1c1a1ed9c381445eacbf060276404fd332217",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-28T12:56:46Z",
    "title_canon_sha256": "871f3cd3a239acbed814b2db0a5e4b1658c752283f6fce9a267b4916d901869f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409677",
    "kind": "arxiv",
    "version": 1
  }
}