Pith Number

pith:YQF7COGL

pith:2012:YQF7COGLEPONNH2AQH4UWMEFGO

not attested not anchored not stored refs pending

Abundance of attracting, repelling and elliptic periodic orbits in two-dimensional reversible maps

A. Delshams, J. T. L\'azaro, O. Sten'kin, S. V. Gonchenko, V. S. Gonchenko

arxiv:1201.5357 v1 · 2012-01-25 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQF7COGLEPONNH2AQH4UWMEFGO}

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	2026-05-18T01:58:41.963741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c40bf138cb23dcd69f4081f94b3085338f5fe475515a6cb9517ee1fe5548ac5a

Aliases

arxiv: 1201.5357 · arxiv_version: 1201.5357v1 · doi: 10.48550/arxiv.1201.5357 · pith_short_12: YQF7COGLEPON · pith_short_16: YQF7COGLEPONNH2A · pith_short_8: YQF7COGL

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/YQF7COGLEPONNH2AQH4UWMEFGO \
  | 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: c40bf138cb23dcd69f4081f94b3085338f5fe475515a6cb9517ee1fe5548ac5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "915cc26665bf97f5b90daabc62235c72542ac92ed4ed11da9d11ff017cfba3bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-01-25T20:14:29Z",
    "title_canon_sha256": "4bb052a0a898329ed7fad3ffd2e20b5e618e49af7324d50e1672be6d2d0a9919"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5357",
    "kind": "arxiv",
    "version": 1
  }
}