Pith Number

pith:MA2RDGDH

pith:2009:MA2RDGDHR5FCR4WFE5WVVJQZC2

not attested not anchored not stored refs pending

Renormalization Group Analysis of Nonlinear Diffusion Equations with Periodic Coefficients

Frederico Furtado, Gastao A. Braga, Jussara M. Moreira, Leonardo T. Rolla

arxiv:0906.2206 v2 · 2009-06-11 · math.AP · math.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{MA2RDGDHR5FCR4WFE5WVVJQZC2}

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	2026-05-18T01:06:23.373754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60351198678f4a28f2c5276d5aa61916962cb9fce850254567c44cc129cf1d2e

Aliases

arxiv: 0906.2206 · arxiv_version: 0906.2206v2 · doi: 10.48550/arxiv.0906.2206 · pith_short_12: MA2RDGDHR5FC · pith_short_16: MA2RDGDHR5FCR4WF · pith_short_8: MA2RDGDH

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/MA2RDGDHR5FCR4WFE5WVVJQZC2 \
  | 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: 60351198678f4a28f2c5276d5aa61916962cb9fce850254567c44cc129cf1d2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "632ae484879b25ce6aed578f1a7fec2a4d9b2de0271e18693dc14348eb2a3c88",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-06-11T20:30:37Z",
    "title_canon_sha256": "0aac79caebcae9af187471adaf4524b998de3a1257f0d4512386038ddcfc72cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2206",
    "kind": "arxiv",
    "version": 2
  }
}