Pith Number

pith:WJYM7YGG

pith:2017:WJYM7YGGFVG42ICR6M34BVGNZS

not attested not anchored not stored refs pending

Global Riemann Solvers for Several $3\times3$ Systems of Conservation Laws with Degeneracies

Wen Shen

arxiv:1709.07675 v1 · 2017-09-22 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJYM7YGGFVG42ICR6M34BVGNZS}

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	2026-05-18T00:34:32.593008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b270cfe0c62d4dcd2051f337c0d4cdcc99ae61df6b38411aea4b895175206994

Aliases

arxiv: 1709.07675 · arxiv_version: 1709.07675v1 · doi: 10.48550/arxiv.1709.07675 · pith_short_12: WJYM7YGGFVG4 · pith_short_16: WJYM7YGGFVG42ICR · pith_short_8: WJYM7YGG

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/WJYM7YGGFVG42ICR6M34BVGNZS \
  | 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: b270cfe0c62d4dcd2051f337c0d4cdcc99ae61df6b38411aea4b895175206994

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48471cbc74e86a5758e840fb5ac2b1fd6d9d12886195ec837edd7f30fd648999",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-09-22T10:16:44Z",
    "title_canon_sha256": "bf978a39a62736b58c36904f93ce3bc4cbc80c176af1915fe2b006948aeea62f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07675",
    "kind": "arxiv",
    "version": 1
  }
}