Pith Number

pith:CVLN5CZW

pith:2026:CVLN5CZW3YQKIBOVX64477QN5G

not attested not anchored not stored refs pending

The Chemotactic Index for Spatial Gradient Sensing

Nicholas A. Licata

arxiv:2606.07793 v1 · 2026-06-05 · 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{CVLN5CZW3YQKIBOVX64477QN5G}

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	2026-06-09T01:04:52.339489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1556de8b36de20a405d5bfb9cffe0de9be35b824e812914dfe37fc7e7ce3b026

Aliases

arxiv: 2606.07793 · arxiv_version: 2606.07793v1 · doi: 10.48550/arxiv.2606.07793 · pith_short_12: CVLN5CZW3YQK · pith_short_16: CVLN5CZW3YQKIBOV · pith_short_8: CVLN5CZW

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/CVLN5CZW3YQKIBOVX64477QN5G \
  | 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: 1556de8b36de20a405d5bfb9cffe0de9be35b824e812914dfe37fc7e7ce3b026

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74be453f876449a8da35c9cf5da1f4b255e972ff06d642067a5875cb4f8bd29f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2026-06-05T19:11:42Z",
    "title_canon_sha256": "d3ec95c5757febc237afbc515785a52b4c12563229deb14160c57c369cfe2ee6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07793",
    "kind": "arxiv",
    "version": 1
  }
}