Pith Number

pith:7UBMUC6S

pith:2012:7UBMUC6SBHRO2K3QD6JOV7EUDW

not attested not anchored not stored refs pending

Weakly Nonlinear Geometric Optics for Hyperbolic Systems of Conservation Laws

Gui-Qiang Chen, Wei Xiang, Yongqian Zhang

arxiv:1205.5930 v3 · 2012-05-27 · math.AP · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UBMUC6SBHRO2K3QD6JOV7EUDW}

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	2026-05-18T03:37:52.842978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd02ca0bd209e2ed2b701f92eafc941dbc9a3357fd1e9baf8ccab17f6aa5fd4c

Aliases

arxiv: 1205.5930 · arxiv_version: 1205.5930v3 · doi: 10.48550/arxiv.1205.5930 · pith_short_12: 7UBMUC6SBHRO · pith_short_16: 7UBMUC6SBHRO2K3Q · pith_short_8: 7UBMUC6S

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/7UBMUC6SBHRO2K3QD6JOV7EUDW \
  | 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: fd02ca0bd209e2ed2b701f92eafc941dbc9a3357fd1e9baf8ccab17f6aa5fd4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60d0d8d7b312fb438030eeaee958859c8f54637ea7fbe1d73e75e9db6f4cf55a",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-05-27T02:12:22Z",
    "title_canon_sha256": "a6c6b3e922d29a0cc06c74c3a35f00da95116606dfae958f35e27650b6e3ab73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5930",
    "kind": "arxiv",
    "version": 3
  }
}