Pith Number

pith:7XYCMTYZ

pith:2015:7XYCMTYZERDNUAGFECE7YE2XJS

not attested not anchored not stored refs pending

One-dimensional model equations for hyperbolic fluid flow

Maria Radosz, Tam Do, Vu Hoang, Xiaoqian Xu

arxiv:1508.00550 v2 · 2015-08-03 · 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{7XYCMTYZERDNUAGFECE7YE2XJS}

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	2026-05-18T01:16:29.631614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdf0264f192446da00c52089fc13574cacf4828743626c639ebe36811cacde52

Aliases

arxiv: 1508.00550 · arxiv_version: 1508.00550v2 · doi: 10.48550/arxiv.1508.00550 · pith_short_12: 7XYCMTYZERDN · pith_short_16: 7XYCMTYZERDNUAGF · pith_short_8: 7XYCMTYZ

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/7XYCMTYZERDNUAGFECE7YE2XJS \
  | 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: fdf0264f192446da00c52089fc13574cacf4828743626c639ebe36811cacde52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddf4b268f86e53ccc7802401f7ca82a5470b92c6efe87326414333124d65b44d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-08-03T19:47:56Z",
    "title_canon_sha256": "32cd6ab40477d8a48107810af9b49fa86457a2c1d1a2749a11473539ae52f6ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00550",
    "kind": "arxiv",
    "version": 2
  }
}