Pith Number

pith:NG6QU2E6

pith:2013:NG6QU2E65MQQ4JADRZS5MREUZ4

not attested not anchored not stored refs pending

Comments on "Chens attractor exists if Lorenz repulsor exists: The Chen system is a special case of the Lorenz system", CHAOS 23, 033108, 2013

Guanrong Chen

arxiv:1308.4074 v3 · 2013-08-19 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NG6QU2E65MQQ4JADRZS5MREUZ4}

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	2026-05-18T03:08:06.769961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69bd0a689eeb210e24038e65d64494cf345b733ad9cf854859afff638501af21

Aliases

arxiv: 1308.4074 · arxiv_version: 1308.4074v3 · doi: 10.48550/arxiv.1308.4074 · pith_short_12: NG6QU2E65MQQ · pith_short_16: NG6QU2E65MQQ4JAD · pith_short_8: NG6QU2E6

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/NG6QU2E65MQQ4JADRZS5MREUZ4 \
  | 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: 69bd0a689eeb210e24038e65d64494cf345b733ad9cf854859afff638501af21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a71208d47ba46ea7db3281da4c2ed4c8aec23e6befde603b0a32fb801d993e88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2013-08-19T16:49:00Z",
    "title_canon_sha256": "e0626088bfaec50ba47a3f1d59f2943f251bb071adca3072b2afdaded4a539ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4074",
    "kind": "arxiv",
    "version": 3
  }
}