Pith Number

pith:33IXVDPE

pith:2012:33IXVDPE3CSJZ5DRUOIZCKVLDE

not attested not anchored not stored refs pending

A hybrid FD-FV method for first-order hyperbolic conservation laws on Cartesian grids: The smooth problem case

Xianyi Zeng

arxiv:1212.5315 v2 · 2012-12-21 · math.NA · cs.CE · cs.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{33IXVDPE3CSJZ5DRUOIZCKVLDE}

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	2026-05-18T00:56:36.420480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ded17a8de4d8a49cf471a391912aab191a334c73c872f375a97b00aaa72ed607

Aliases

arxiv: 1212.5315 · arxiv_version: 1212.5315v2 · doi: 10.48550/arxiv.1212.5315 · pith_short_12: 33IXVDPE3CSJ · pith_short_16: 33IXVDPE3CSJZ5DR · pith_short_8: 33IXVDPE

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/33IXVDPE3CSJZ5DRUOIZCKVLDE \
  | 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: ded17a8de4d8a49cf471a391912aab191a334c73c872f375a97b00aaa72ed607

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "251b70f68dc5533e9e69be4ccf2c3bc35c10345feba676b34b4cc986b75921ce",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-12-21T02:13:35Z",
    "title_canon_sha256": "d1a45bb4a4346b759eb7e1f9a0cc3a5b49b66f502cf93ffd6e8a918659edc8d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5315",
    "kind": "arxiv",
    "version": 2
  }
}