Pith Number

pith:L25B6TJ6

pith:2014:L25B6TJ6DBHG2V6BHMLF2CCTVR

not attested not anchored not stored refs pending

On bifurcations of area-preserving and non-orientable maps with quadratic homoclinic tangencies

Amadeu Delshams, Marina Gonchenko, Sergey V. Gonchenko

arxiv:1410.5704 v1 · 2014-10-21 · 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{L25B6TJ6DBHG2V6BHMLF2CCTVR}

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	2026-05-18T01:41:41.490452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eba1f4d3e184e6d57c13b165d0853ac7fea29edb650770956c6a7c286332b54

Aliases

arxiv: 1410.5704 · arxiv_version: 1410.5704v1 · doi: 10.48550/arxiv.1410.5704 · pith_short_12: L25B6TJ6DBHG · pith_short_16: L25B6TJ6DBHG2V6B · pith_short_8: L25B6TJ6

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/L25B6TJ6DBHG2V6BHMLF2CCTVR \
  | 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: 5eba1f4d3e184e6d57c13b165d0853ac7fea29edb650770956c6a7c286332b54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddc325359af3a03bd71661d064153a6b51f00cdcc3fe7d58cea3d4609ea71626",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-10-21T15:28:04Z",
    "title_canon_sha256": "4cb0c3bc744d6ee271ac0d20e976030c5bec55099c6c435629e355abf8600984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5704",
    "kind": "arxiv",
    "version": 1
  }
}