Pith Number

pith:AUZRTJX5

pith:2001:AUZRTJX5BU3JIR7VOPN6R7XGKL

not attested not anchored not stored refs pending

An Improved Exact Riemann Solver for Relativistic Hydrodynamics

L. Rezzolla, O. Zanotti

arxiv:gr-qc/0103005 v2 · 2001-03-02 · gr-qc · astro-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AUZRTJX5BU3JIR7VOPN6R7XGKL}

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	2026-05-18T00:44:20.061837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

053319a6fd0d369447f573dbe8fee652e29121903d3d9507289a587204093bab

Aliases

arxiv: gr-qc/0103005 · arxiv_version: gr-qc/0103005v2 · doi: 10.48550/arxiv.gr-qc/0103005 · pith_short_12: AUZRTJX5BU3J · pith_short_16: AUZRTJX5BU3JIR7V · pith_short_8: AUZRTJX5

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/AUZRTJX5BU3JIR7VOPN6R7XGKL \
  | 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: 053319a6fd0d369447f573dbe8fee652e29121903d3d9507289a587204093bab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "723071197d7471013fa541f3d994d1ecf4b3c82b7b2c938111811590b7f559d1",
    "cross_cats_sorted": [
      "astro-ph",
      "physics.flu-dyn"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-03-02T09:26:28Z",
    "title_canon_sha256": "ea8450c47208dba8353f02586e8b2fec499e826ca620557d3299159124451357"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0103005",
    "kind": "arxiv",
    "version": 2
  }
}