Pith Number

pith:TPNF5SHP

pith:2009:TPNF5SHPXQBR5QBZ5JJ6P7MBGO

not attested not anchored not stored refs pending

Empirical Abundance Scaling Laws and Implications for the Gamma-Process in Core-Collapse Supernovae

Hideyuki Umeda, Ken'ichi Nomoto, Nobuyuki Iwamoto, Takehito Hayakawa, Toshitaka Kajino, Toshiyuki Shizuma

arxiv:0901.3592 v1 · 2009-01-23 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TPNF5SHPXQBR5QBZ5JJ6P7MBGO}

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	2026-05-18T04:29:17.224639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bda5ec8efbc031ec039ea53e7fd8133be81964f574b192edb3d7ccfee0aff03

Aliases

arxiv: 0901.3592 · arxiv_version: 0901.3592v1 · doi: 10.48550/arxiv.0901.3592 · pith_short_12: TPNF5SHPXQBR · pith_short_16: TPNF5SHPXQBR5QBZ · pith_short_8: TPNF5SHP

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/TPNF5SHPXQBR5QBZ5JJ6P7MBGO \
  | 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: 9bda5ec8efbc031ec039ea53e7fd8133be81964f574b192edb3d7ccfee0aff03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ed5428c9a080ecf87f33a17165017662166d4cae0e5e265ac9ca699b55a5271",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-01-23T02:35:18Z",
    "title_canon_sha256": "7cf779a4b0314e481185c6485ea50bf377c3779523866940b6179ca6f11efe61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3592",
    "kind": "arxiv",
    "version": 1
  }
}