Pith Number

pith:2IQVNRCA

pith:2020:2IQVNRCAKPT3FCH6D43YXEGLSN

not attested not anchored not stored refs pending

Chemotaxis and Reactions in Biology

Alexander Kiselev, Fedor Nazarov, Lenya Ryzhik, Yao Yao

arxiv:2004.06441 v1 · 2020-04-14 · math.AP · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IQVNRCAKPT3FCH6D43YXEGLSN}

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	2026-07-05T00:54:52.058505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d22156c44053e7b288fe1f378b90cb936de8ef177cfa76f61ebb54d7e9707d2b

Aliases

arxiv: 2004.06441 · arxiv_version: 2004.06441v1 · doi: 10.48550/arxiv.2004.06441 · pith_short_12: 2IQVNRCAKPT3 · pith_short_16: 2IQVNRCAKPT3FCH6 · pith_short_8: 2IQVNRCA

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/2IQVNRCAKPT3FCH6D43YXEGLSN \
  | 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: d22156c44053e7b288fe1f378b90cb936de8ef177cfa76f61ebb54d7e9707d2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23383913d48b69930cea07e875798c72682a3fdcb2c2d871a89f083899d6420b",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2020-04-14T12:08:18Z",
    "title_canon_sha256": "b100debd2df7af2a42abad195d4fa958335a931f659deab70549c52c27338cb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06441",
    "kind": "arxiv",
    "version": 1
  }
}