Pith Number

pith:FDX5C4R7

pith:2026:FDX5C4R7NBZ7YU5DVWNTYXUXDR

not attested not anchored not stored refs pending

A nonlinear theory for chemotactic fronts of mixed populations

Carles Falc\'o, Giulia L. Celora, Marjorie Watts, Mohit P. Dalwadi

arxiv:2606.17891 v1 · 2026-06-16 · q-bio.CB · math.AP · nlin.AO · 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{FDX5C4R7NBZ7YU5DVWNTYXUXDR}

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	2026-06-19T16:10:42.809152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28efd1723f6873fc53a3ad9b3c5e971c40198ee1203c49dd7043497717cdf42e

Aliases

arxiv: 2606.17891 · arxiv_version: 2606.17891v1 · doi: 10.48550/arxiv.2606.17891 · pith_short_12: FDX5C4R7NBZ7 · pith_short_16: FDX5C4R7NBZ7YU5D · pith_short_8: FDX5C4R7

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/FDX5C4R7NBZ7YU5DVWNTYXUXDR \
  | 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: 28efd1723f6873fc53a3ad9b3c5e971c40198ee1203c49dd7043497717cdf42e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7a7eeffc35494c2a65f330513268656f5353fc8b5a29b1bf72a963b7ff47daa",
    "cross_cats_sorted": [
      "math.AP",
      "nlin.AO",
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.CB",
    "submitted_at": "2026-06-16T13:11:52Z",
    "title_canon_sha256": "13c4170e32259552a109b6359e0c300bbcc4d203d9da1eb3245c8708803939f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17891",
    "kind": "arxiv",
    "version": 1
  }
}