Pith Number

pith:TZHZRKLX

pith:2026:TZHZRKLXSM4DBB2INU32PG7WR5

not attested not anchored not stored refs pending

GQL-Based Physical-Constraint-Preserving High-Order Finite Difference Schemes for Special Relativistic Hydrodynamics in Arbitrary Dimensions

Kailiang Wu, Linfeng Xu, Shengrong Ding

arxiv:2606.31992 v1 · 2026-06-30 · math.NA · astro-ph.IM · cs.NA · physics.comp-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{TZHZRKLXSM4DBB2INU32PG7WR5}

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	2026-07-01T01:18:28.428386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e4f98a97793383087486d37a79bf68f4ab433712fa1d09791a01f002f35f41d

Aliases

arxiv: 2606.31992 · arxiv_version: 2606.31992v1 · doi: 10.48550/arxiv.2606.31992 · pith_short_12: TZHZRKLXSM4D · pith_short_16: TZHZRKLXSM4DBB2I · pith_short_8: TZHZRKLX

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/TZHZRKLXSM4DBB2INU32PG7WR5 \
  | 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: 9e4f98a97793383087486d37a79bf68f4ab433712fa1d09791a01f002f35f41d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca095eef15e9b486ab8cf3464c84868f762c7292060f46870a0db0275a893a3a",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.NA",
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-30T17:29:34Z",
    "title_canon_sha256": "5dc68e6af073d5d19839845288a4386ce0c257e3fb831d73e600fdc79dee27f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31992",
    "kind": "arxiv",
    "version": 1
  }
}