Pith Number

pith:ETSQ3AXM

pith:2012:ETSQ3AXM56JH66UDWXCVPOMMXT

not attested not anchored not stored refs pending

Hyperbolic Structure and Stickiness Effect: A case of a 2D Area-Preserving Twist Mapping

2), 2) ((1) Department of Astronomy, (2) Key Laboratory of Modern Astronomy, (3) Department of Mathematics, Astrophysics in MoE, China, China), Jian CHENG (3), Jian LI (1, Li-Yong Zhou (1, Nanjing University, Yi-Sui SUN (1

arxiv:1212.3673 v1 · 2012-12-15 · 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{ETSQ3AXM56JH66UDWXCVPOMMXT}

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	2026-05-18T03:38:22.699170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24e50d82ecef927f7a83b5c557b98cbce1a6043fde2772671fd392741473247d

Aliases

arxiv: 1212.3673 · arxiv_version: 1212.3673v1 · doi: 10.48550/arxiv.1212.3673 · pith_short_12: ETSQ3AXM56JH · pith_short_16: ETSQ3AXM56JH66UD · pith_short_8: ETSQ3AXM

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/ETSQ3AXM56JH66UDWXCVPOMMXT \
  | 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: 24e50d82ecef927f7a83b5c557b98cbce1a6043fde2772671fd392741473247d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "692596bc477b06ce7354bf34dbdecf7c3ec5ee8c6a8ff1deded586fd0a472478",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2012-12-15T11:44:04Z",
    "title_canon_sha256": "e8f03014c1255dd52768c39d42774f8a2967e4f96516b71420c3b4d2431dc191"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3673",
    "kind": "arxiv",
    "version": 1
  }
}