Pith Number

pith:EF6NKGJO

pith:2016:EF6NKGJOZJUYHZ2T6EJZQICMZZ

not attested not anchored not stored refs pending

Reduction to a single closed equation for 2 by 2 reaction-diffusion systems of Lotka-Volterra type

Martin Strugarek (LJLL), Nicolas Vauchelet (LJLL)

arxiv:1602.01058 v2 · 2016-02-02 · 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{EF6NKGJOZJUYHZ2T6EJZQICMZZ}

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	2026-05-18T01:21:20.968883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

217cd5192eca6983e753f11398204cce500e91683f9f98ea66c6d7230b0788d8

Aliases

arxiv: 1602.01058 · arxiv_version: 1602.01058v2 · doi: 10.48550/arxiv.1602.01058 · pith_short_12: EF6NKGJOZJUY · pith_short_16: EF6NKGJOZJUYHZ2T · pith_short_8: EF6NKGJO

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/EF6NKGJOZJUYHZ2T6EJZQICMZZ \
  | 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: 217cd5192eca6983e753f11398204cce500e91683f9f98ea66c6d7230b0788d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64dc516b3fa678e6b159d27e44ba419621fc203436b7590d1d537f1a55b0ac0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-02-02T19:41:08Z",
    "title_canon_sha256": "204f9743504851ac7378c4e8d195d1acb54f843cb4cfaa30c0732a4226813418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01058",
    "kind": "arxiv",
    "version": 2
  }
}