Pith Number

pith:EMFL465X

pith:2016:EMFL465XJ7CILOQX3CXPRWS4TB

not attested not anchored not stored refs pending

The Fisher-KPP problem with doubly nonlinear diffusion

Alessandro Audrito, Juan Luis V\'azquez

arxiv:1601.05718 v2 · 2016-01-21 · 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{EMFL465XJ7CILOQX3CXPRWS4TB}

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	2026-05-18T01:20:23.936675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

230abe7bb74fc485ba17d8aef8da5c986efc4ea7f64920203239dc6f34ed393d

Aliases

arxiv: 1601.05718 · arxiv_version: 1601.05718v2 · doi: 10.48550/arxiv.1601.05718 · pith_short_12: EMFL465XJ7CI · pith_short_16: EMFL465XJ7CILOQX · pith_short_8: EMFL465X

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/EMFL465XJ7CILOQX3CXPRWS4TB \
  | 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: 230abe7bb74fc485ba17d8aef8da5c986efc4ea7f64920203239dc6f34ed393d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64324fa9cd04d98ecf92cbf01c7e71f5fa3ffd531c4844e731a79528e6d3998c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-01-21T17:22:47Z",
    "title_canon_sha256": "ffa78d79d9945412e5176b6485c2257bc84a28b17cb52c2258853f29cf18488d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05718",
    "kind": "arxiv",
    "version": 2
  }
}