Pith Number

pith:3DHKSLQ2

pith:2013:3DHKSLQ2CF2W4B5U5HV52BB53X

not attested not anchored not stored refs pending

The generalized Riemann problems for hyperbolic balance laws: A unified formulation towards high order

Jianzhen Qian, Jiequan Li, Shuanghu Wang

arxiv:1303.2941 v1 · 2013-03-12 · math.NA · physics.comp-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{3DHKSLQ2CF2W4B5U5HV52BB53X}

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	2026-05-18T03:31:07.494890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8cea92e1a11756e07b4e9ebdd043dddfd855709bd6cb352f82d49a051a07cb6

Aliases

arxiv: 1303.2941 · arxiv_version: 1303.2941v1 · doi: 10.48550/arxiv.1303.2941 · pith_short_12: 3DHKSLQ2CF2W · pith_short_16: 3DHKSLQ2CF2W4B5U · pith_short_8: 3DHKSLQ2

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/3DHKSLQ2CF2W4B5U5HV52BB53X \
  | 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: d8cea92e1a11756e07b4e9ebdd043dddfd855709bd6cb352f82d49a051a07cb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f99e3093e276ece1ffc0e6b252d4af2d76a59639cdd3d9d6708863ba974b6f49",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-03-12T16:27:58Z",
    "title_canon_sha256": "ebb628ba6cdcaa41564e51ff8affcaa16d60ab65332c4eb96d6d87a9b783af49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2941",
    "kind": "arxiv",
    "version": 1
  }
}