Pith Number

pith:6BQHIVZF

pith:2008:6BQHIVZFLF4ZKP2GP53MGD53L7

not attested not anchored not stored refs pending

Hyperbolic conservation laws on the sphere. A geometry-compatible finite volume scheme

Joseph Falcovitz, Matania Ben-Artzi, Philippe G. LeFloch

arxiv:0808.2062 v1 · 2008-08-14 · math.NA · 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{6BQHIVZFLF4ZKP2GP53MGD53L7}

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	2026-05-18T02:15:43.273418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0607457255979953f467f76c30fbb5fe00eb12019c8f624b764915c60733586

Aliases

arxiv: 0808.2062 · arxiv_version: 0808.2062v1 · doi: 10.48550/arxiv.0808.2062 · pith_short_12: 6BQHIVZFLF4Z · pith_short_16: 6BQHIVZFLF4ZKP2G · pith_short_8: 6BQHIVZF

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/6BQHIVZFLF4ZKP2GP53MGD53L7 \
  | 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: f0607457255979953f467f76c30fbb5fe00eb12019c8f624b764915c60733586

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24bf3f3fd986944914c95963628e4dd0b4c58775a1a025cd1b7a08572e6cb619",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-08-14T21:43:48Z",
    "title_canon_sha256": "2caa6a3774b650b3fd9c83b5aace7f8ecc78fc45b9c1df0b05f5185bc399731e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2062",
    "kind": "arxiv",
    "version": 1
  }
}