Pith Number

pith:3LQXTQMR

pith:2019:3LQXTQMR3LQBL6GYF6PHMJ2DWR

not attested not anchored not stored refs pending

Solving the Riemann Problem for Realistic Astrophysical Fluids

Adam Frank, Eric G. Blackman, Matthew S. B. Coleman, Zhuo Chen

arxiv:1903.04568 v2 · 2019-03-11 · physics.comp-ph · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3LQXTQMR3LQBL6GYF6PHMJ2DWR}

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	2026-07-05T00:16:33.264824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dae179c191dae015f8d82f9e762743b473fdb534d7ba251ffc041373cc8490b5

Aliases

arxiv: 1903.04568 · arxiv_version: 1903.04568v2 · doi: 10.48550/arxiv.1903.04568 · pith_short_12: 3LQXTQMR3LQB · pith_short_16: 3LQXTQMR3LQBL6GY · pith_short_8: 3LQXTQMR

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/3LQXTQMR3LQBL6GYF6PHMJ2DWR \
  | 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: dae179c191dae015f8d82f9e762743b473fdb534d7ba251ffc041373cc8490b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3045b1c4927e9c0151d3a6e3b85d780c82a3b7466f33422983661c780137b35f",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-03-11T19:53:09Z",
    "title_canon_sha256": "cbdb191e265931772e10b03f95eb2ddf606c33498a78277c0cc0929363a9b7a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04568",
    "kind": "arxiv",
    "version": 2
  }
}