Pith Number

pith:5ECOY4B3

pith:2014:5ECOY4B3RGPRXQJMBJYRPNME67

not attested not anchored not stored refs pending

Logistic function as solution of many nonlinear differential equations

Mikhail A. Chmykhov, Nikolai A. Kudryashov

arxiv:1409.6896 v1 · 2014-09-24 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ECOY4B3RGPRXQJMBJYRPNME67}

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	2026-05-18T02:42:00.259895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e904ec703b899f1bc12c0a7117b584f7e366d4419288180114c9f3113a3d7f83

Aliases

arxiv: 1409.6896 · arxiv_version: 1409.6896v1 · doi: 10.48550/arxiv.1409.6896 · pith_short_12: 5ECOY4B3RGPR · pith_short_16: 5ECOY4B3RGPRXQJM · pith_short_8: 5ECOY4B3

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/5ECOY4B3RGPRXQJMBJYRPNME67 \
  | 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: e904ec703b899f1bc12c0a7117b584f7e366d4419288180114c9f3113a3d7f83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ff3beec0ca7f5725c7c8db1035e809818fcb52690003721df50e95bde30dfab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2014-09-24T10:57:25Z",
    "title_canon_sha256": "65ad7dd652936e288bae3da52c3ef85ab1789ca7bd5a53d565859b97d2b5a249"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6896",
    "kind": "arxiv",
    "version": 1
  }
}