Pith Number

pith:ZUY7A3WZ

pith:2020:ZUY7A3WZQTRZP7M43ZJKG5QLP3

not attested not anchored not stored refs pending

Birth of convective low-mass to high-mass second Larson cores

Asmita Bhandare, Christian Fendt, Gabriel-Dominique Marleau, Mario Flock, Rolf Kuiper, Thomas Henning

arxiv:2004.12419 v1 · 2020-04-26 · astro-ph.SR · astro-ph.IM · physics.comp-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{ZUY7A3WZQTRZP7M43ZJKG5QLP3}

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	2026-07-05T01:15:17.740361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd31f06ed984e397fd9cde52a3760b7edae654b72f96b8a8109fdd0cdccf2fd6

Aliases

arxiv: 2004.12419 · arxiv_version: 2004.12419v1 · doi: 10.48550/arxiv.2004.12419 · pith_short_12: ZUY7A3WZQTRZ · pith_short_16: ZUY7A3WZQTRZP7M4 · pith_short_8: ZUY7A3WZ

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/ZUY7A3WZQTRZP7M43ZJKG5QLP3 \
  | 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: cd31f06ed984e397fd9cde52a3760b7edae654b72f96b8a8109fdd0cdccf2fd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c43d7de1462298b3795704e9a1dedfbe712e681018c687c24b86d0c134306782",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-04-26T15:44:35Z",
    "title_canon_sha256": "b15d2f38a393b2d3e246e2234e9725accfc71340c849427939e16a98fe1530d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.12419",
    "kind": "arxiv",
    "version": 1
  }
}