Pith Number

pith:K2ATIGKF

pith:2003:K2ATIGKFGSBIUQWSIUOV4RNNHY

not attested not anchored not stored refs pending

Nucleosynthesis in Black-Hole-Forming Supernovae and Abundance Patterns of Extremely Metal-Poor Stars

H. Umeda, J. Deng, K. Maeda, K. Nomoto, N. Tominaga, P.A. Mazzali, T. Ohkubo

arxiv:astro-ph/0306412 v2 · 2003-06-20 · 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{K2ATIGKFGSBIUQWSIUOV4RNNHY}

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	2026-07-04T16:52:01.342904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

568134194534828a42d2451d5e45ad3e356170cb6eb43ddbd2edce1c90e03300

Aliases

arxiv: astro-ph/0306412 · arxiv_version: astro-ph/0306412v2 · doi: 10.48550/arxiv.astro-ph/0306412 · pith_short_12: K2ATIGKFGSBI · pith_short_16: K2ATIGKFGSBIUQWS · pith_short_8: K2ATIGKF

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/K2ATIGKFGSBIUQWSIUOV4RNNHY \
  | 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: 568134194534828a42d2451d5e45ad3e356170cb6eb43ddbd2edce1c90e03300

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fc7aaa60c77f39d8106357f90ba88ba4587e8aedb3b2b529952079ade408f68",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-06-20T12:12:25Z",
    "title_canon_sha256": "19a9fa3993a39a09513b3c305da07c7b29cdddeb44ca02a41fb2befb7b7d81cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0306412",
    "kind": "arxiv",
    "version": 2
  }
}