Pith Number

pith:V5FROYWS

pith:2025:V5FROYWSX4ECTD5TAUIH5A6TJ7

not attested not anchored not stored refs pending

Local Ridge Formation and Domain Delimitation in Aggregation-Diffusion Equations

Shin Nishihara, Toru Ohira

arxiv:2504.13411 v1 · 2025-04-18 · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V5FROYWSX4ECTD5TAUIH5A6TJ7}

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	2026-07-05T10:50:54.488286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af4b1762d2bf08298fb305107e83d34fe0fad68e18a1b75f994cd92b2d8038cd

Aliases

arxiv: 2504.13411 · arxiv_version: 2504.13411v1 · doi: 10.48550/arxiv.2504.13411 · pith_short_12: V5FROYWSX4EC · pith_short_16: V5FROYWSX4ECTD5T · pith_short_8: V5FROYWS

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/V5FROYWSX4ECTD5TAUIH5A6TJ7 \
  | 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: af4b1762d2bf08298fb305107e83d34fe0fad68e18a1b75f994cd92b2d8038cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea59c3207e385daef41fb72157860cb2d7d3974b20092ea46d49ed797deb9117",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2025-04-18T02:13:14Z",
    "title_canon_sha256": "e4c10498f9da51129b3724adc96a360ddb47036068868bacc2b3a0fc6df7e838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.13411",
    "kind": "arxiv",
    "version": 1
  }
}