Pith Number

pith:VGDRZ3KM

pith:2019:VGDRZ3KMNQ3J22TH7ZTPVPE3BE

not attested not anchored not stored refs pending

New Type Ia supernova Yields and the Manganese and Nickel Problems in the Milky Way and Dwarf Spheroidal Galaxies

Chiaki Kobayashi, Ken'ichi Nomoto, Shing-Chi Leung

arxiv:1906.09980 v3 · 2019-06-24 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGDRZ3KMNQ3J22TH7ZTPVPE3BE}

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	2026-07-05T01:08:49.370888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9871ced4c6c369d6a67fe66fabc9b093b8adcbaa4f82116f727eda80101b555

Aliases

arxiv: 1906.09980 · arxiv_version: 1906.09980v3 · doi: 10.48550/arxiv.1906.09980 · pith_short_12: VGDRZ3KMNQ3J · pith_short_16: VGDRZ3KMNQ3J22TH · pith_short_8: VGDRZ3KM

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/VGDRZ3KMNQ3J22TH7ZTPVPE3BE \
  | 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: a9871ced4c6c369d6a67fe66fabc9b093b8adcbaa4f82116f727eda80101b555

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "186143c8721e059e82ee67b2960e726e1bfb2dffba9c3a9501830ba7536ed058",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-06-24T14:11:36Z",
    "title_canon_sha256": "958443bf7eb47eff560d45e63aecf96766072fab55db44cd48bbd6e07b4dce66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09980",
    "kind": "arxiv",
    "version": 3
  }
}