Pith Number

pith:3LNDEUKD

pith:1998:3LNDEUKDDD45BJDIAZDQOW7HSE

not attested not anchored not stored refs pending

Three Dimensional Numerical General Relativistic Hydrodynamics I: Formulations, Methods, and Code Tests

J. A. Font, M. Miller, M. Tobias, W. Suen

arxiv:gr-qc/9811015 v1 · 1998-11-04 · gr-qc · astro-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{3LNDEUKDDD45BJDIAZDQOW7HSE}

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	2026-07-04T16:08:52.750534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dada32514318f9d0a4680647075be7912acaeadcc3342f46eaad76b42f944e05

Aliases

arxiv: gr-qc/9811015 · arxiv_version: gr-qc/9811015v1 · doi: 10.48550/arxiv.gr-qc/9811015 · pith_short_12: 3LNDEUKDDD45 · pith_short_16: 3LNDEUKDDD45BJDI · pith_short_8: 3LNDEUKD

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/3LNDEUKDDD45BJDIAZDQOW7HSE \
  | 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: dada32514318f9d0a4680647075be7912acaeadcc3342f46eaad76b42f944e05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cff32588297dd208037d21c12a50a57f7212893a103c58982da3106807c8d384",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-11-04T13:52:36Z",
    "title_canon_sha256": "57543e7f682bcb7cce443db092deb895890c660d49644ac8edd581acc51e91a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9811015",
    "kind": "arxiv",
    "version": 1
  }
}