Pith Number

pith:A5BQSLNF

pith:2011:A5BQSLNFA7TTXDHBYYFLW2JPCS

not attested not anchored not stored refs pending

Analytic regularity for a singularly perturbed system of reaction-diffusion equations with multiple scales: proofs

Christos Xenophontos, Jens Markus Melenk, Lisa Oberbroeckling

arxiv:1108.2002 v2 · 2011-08-09 · 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{A5BQSLNFA7TTXDHBYYFLW2JPCS}

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	2026-05-18T02:21:52.100237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0743092da507e73b8ce1c60abb692f14aa148eec5771556a8af3c2eb755f1958

Aliases

arxiv: 1108.2002 · arxiv_version: 1108.2002v2 · doi: 10.48550/arxiv.1108.2002 · pith_short_12: A5BQSLNFA7TT · pith_short_16: A5BQSLNFA7TTXDHB · pith_short_8: A5BQSLNF

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/A5BQSLNFA7TTXDHBYYFLW2JPCS \
  | 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: 0743092da507e73b8ce1c60abb692f14aa148eec5771556a8af3c2eb755f1958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d15e814d154afcba3395d346fb26da685151f741c17037cbbd6e20783469faa8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-08-09T18:27:45Z",
    "title_canon_sha256": "6f4dc16fc396bbeb7e7319e727f9ee557b8b788ebb7d125864cc211981bf81c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2002",
    "kind": "arxiv",
    "version": 2
  }
}