Pith Number

pith:RYKGHUHY

pith:2008:RYKGHUHYONVIHYGEQWNOGPGGJ7

not attested not anchored not stored refs pending

Derivation of a non-hydrostatic shallow water model; Comparison with Saint-Venant and Boussinesq systems

Jacques Sainte-Marie (INRIA Rocquencourt), Marie-Odile Bristeau (INRIA Rocquencourt)

arxiv:0802.0250 v3 · 2008-02-02 · math.NA · cs.NA · physics.class-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{RYKGHUHYONVIHYGEQWNOGPGGJ7}

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	2026-06-03T22:06:04.306171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e1463d0f8736a83e0c4859ae33cc64fd6154256cf5d0423a361b714a3bc5595

Aliases

arxiv: 0802.0250 · arxiv_version: 0802.0250v3 · doi: 10.48550/arxiv.0802.0250 · pith_short_12: RYKGHUHYONVI · pith_short_16: RYKGHUHYONVIHYGE · pith_short_8: RYKGHUHY

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/RYKGHUHYONVIHYGEQWNOGPGGJ7 \
  | 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: 8e1463d0f8736a83e0c4859ae33cc64fd6154256cf5d0423a361b714a3bc5595

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1522951620fd88f1c039e8e6b68d0e206741bd991d8dc784c08dc66bb31bc5d",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.class-ph"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2008-02-02T15:09:02Z",
    "title_canon_sha256": "fa9a016ec021540d9937cc22cf83fe5eb7e5a4353b50e6631b733a4206053b27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.0250",
    "kind": "arxiv",
    "version": 3
  }
}