Pith Number

pith:OLDCHK7K

pith:2011:OLDCHK7KOJPPS25BCMNPCZKAMQ

not attested not anchored not stored refs pending

Convergence to a propagating front in a degenerate Fisher-KPP equation with advection

Elisabeth Logak (AGM), Matthieu Alfaro (I3M)

arxiv:1104.3696 v1 · 2011-04-19 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OLDCHK7KOJPPS25BCMNPCZKAMQ}

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	2026-05-18T04:23:55.790808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72c623abea725ef96ba1131af16540641deaacaa23d2d4d70cb6f009f9ea04e4

Aliases

arxiv: 1104.3696 · arxiv_version: 1104.3696v1 · doi: 10.48550/arxiv.1104.3696 · pith_short_12: OLDCHK7KOJPP · pith_short_16: OLDCHK7KOJPPS25B · pith_short_8: OLDCHK7K

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/OLDCHK7KOJPPS25BCMNPCZKAMQ \
  | 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: 72c623abea725ef96ba1131af16540641deaacaa23d2d4d70cb6f009f9ea04e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d3390c8b65943823a92e5e9f3851b4033996748eb8cb5c890252a31c3b7eb32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-04-19T10:21:44Z",
    "title_canon_sha256": "7566336127959c8e01217aeb9a8c95d985ed231ddd2392eeca3a2d09a26748a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3696",
    "kind": "arxiv",
    "version": 1
  }
}