Pith Number

pith:FCZVMGNI

pith:2019:FCZVMGNI7VFIBTIFWSV2Q6LPDR

not attested not anchored not stored refs pending

A Robust Riemann Solver for Multiple Hydro-Elastoplastic Solid Mediums

Chengbao Yao, Ruo Li, Yanli Wang

arxiv:1902.05145 v1 · 2019-02-03 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCZVMGNI7VFIBTIFWSV2Q6LPDR}

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	2026-05-17T23:54:01.816942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28b35619a8fd4a80cd05b4aba8796f1c7dde8db39c5079ae192b2ffa27e33b5a

Aliases

arxiv: 1902.05145 · arxiv_version: 1902.05145v1 · doi: 10.48550/arxiv.1902.05145 · pith_short_12: FCZVMGNI7VFI · pith_short_16: FCZVMGNI7VFIBTIF · pith_short_8: FCZVMGNI

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/FCZVMGNI7VFIBTIFWSV2Q6LPDR \
  | 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: 28b35619a8fd4a80cd05b4aba8796f1c7dde8db39c5079ae192b2ffa27e33b5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "006cf9bc21404de0668acac44e0a984a3086c0e3ac4735c18d32d5366d337936",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-03T07:12:32Z",
    "title_canon_sha256": "a696bf03963920740c0fb19c50e3c95925c5e0a2470abb19c1774be7af0a73fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05145",
    "kind": "arxiv",
    "version": 1
  }
}