Pith Number

pith:PPEVCWKD

pith:2013:PPEVCWKD4SEK47JX6ZLDL3W3RJ

not attested not anchored not stored refs pending

Comparison of different nonlinear solvers for 2D time-implicit stellar hydrodynamics

Isabelle Baraffe, Maxime Viallet, Rolf Walder

arxiv:1305.6581 v1 · 2013-05-28 · astro-ph.SR · cs.NA · math.NA · 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{PPEVCWKD4SEK47JX6ZLDL3W3RJ}

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	2026-05-18T01:49:40.702993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bc9515943e488ae7d37f65635eedb8a689cc472ac544fb1454e9566c928cdcb

Aliases

arxiv: 1305.6581 · arxiv_version: 1305.6581v1 · doi: 10.48550/arxiv.1305.6581 · pith_short_12: PPEVCWKD4SEK · pith_short_16: PPEVCWKD4SEK47JX · pith_short_8: PPEVCWKD

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/PPEVCWKD4SEK47JX6ZLDL3W3RJ \
  | 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: 7bc9515943e488ae7d37f65635eedb8a689cc472ac544fb1454e9566c928cdcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32e6429b22a10eee8248dfb4bd932eee4b001b5cee580ded8001f2ce35af7735",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-28T18:44:17Z",
    "title_canon_sha256": "1545898b8756d7d6fbc8392bacd4bced80f9d598836f925ee7f124e73f6d874a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6581",
    "kind": "arxiv",
    "version": 1
  }
}