Pith Number

pith:SIA7SM2Z

pith:2011:SIA7SM2ZBAU4676AK5FJWPU3X5

not attested not anchored not stored refs pending

Lagrangian for the Convection-Diffusion Equation

Isabelle Greff (LMA-PAU), Jacky Cresson (LMA-Pau), Pierre Inizan (IMCCE)

arxiv:1112.3262 v1 · 2011-12-14 · math.AP · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIA7SM2ZBAU4676AK5FJWPU3X5}

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	2026-05-18T01:59:10.088118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9201f933590829cf7fc0574a9b3e9bbf79d3011f039038df2d05c4dce494d18c

Aliases

arxiv: 1112.3262 · arxiv_version: 1112.3262v1 · doi: 10.48550/arxiv.1112.3262 · pith_short_12: SIA7SM2ZBAU4 · pith_short_16: SIA7SM2ZBAU4676A · pith_short_8: SIA7SM2Z

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/SIA7SM2ZBAU4676AK5FJWPU3X5 \
  | 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: 9201f933590829cf7fc0574a9b3e9bbf79d3011f039038df2d05c4dce494d18c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd79e5c128bfb37ad1b7b92680f7fa6335c0eb7cb2d351ef1a15d1e17bd305ca",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-12-14T16:05:33Z",
    "title_canon_sha256": "f6a1b5077ca7a7955e20340a5509b2b5ac121f53d8e472bd9d34cdbd679de90e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3262",
    "kind": "arxiv",
    "version": 1
  }
}