Pith Number

pith:AN44UEGW

pith:2006:AN44UEGWIJRYO6WFEJXJHUQ4LN

not attested not anchored not stored refs pending

High order relaxation schemes for non linear degenerate diffusion problems

Fausto Cavalli, Gabriella Puppo, Giovanni Naldi, Matteo Semplice

arxiv:math/0604572 v2 · 2006-04-26 · math.NA · 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{AN44UEGWIJRYO6WFEJXJHUQ4LN}

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	2026-06-03T22:06:19.529005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0379ca10d64263877ac5226e93d21c5b5cdf068c568c61a302d79cdc5e62908f

Aliases

arxiv: math/0604572 · arxiv_version: math/0604572v2 · doi: 10.48550/arxiv.math/0604572 · pith_short_12: AN44UEGWIJRY · pith_short_16: AN44UEGWIJRYO6WF · pith_short_8: AN44UEGW

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/AN44UEGWIJRYO6WFEJXJHUQ4LN \
  | 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: 0379ca10d64263877ac5226e93d21c5b5cdf068c568c61a302d79cdc5e62908f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ac0cd7ad80f991745dcbf9b1af2a92d469e1c37098222f4fb6611c1594417cb",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2006-04-26T16:46:22Z",
    "title_canon_sha256": "2b750fafb4d00f6ddf9c6b0ff0981532dc4785faebaaada3dd4224992b3c051e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0604572",
    "kind": "arxiv",
    "version": 2
  }
}