Pith Number

pith:Y7M6TA7Z

pith:2017:Y7M6TA7ZDCZHSCWQFKLQTLTV6Q

not attested not anchored not stored refs pending

Exponentially small splitting of separatrices near a period-doubling bifurcation in area-preserving maps

Denis Gaidashev, Marina Gonchenko

arxiv:1702.01651 v1 · 2017-02-06 · 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{Y7M6TA7ZDCZHSCWQFKLQTLTV6Q}

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	2026-05-18T00:51:22.310638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7d9e983f918b2790ad02a9709ae75f42d7fbd72ff4c6e2c53eafa7577a7fd2c

Aliases

arxiv: 1702.01651 · arxiv_version: 1702.01651v1 · doi: 10.48550/arxiv.1702.01651 · pith_short_12: Y7M6TA7ZDCZH · pith_short_16: Y7M6TA7ZDCZHSCWQ · pith_short_8: Y7M6TA7Z

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/Y7M6TA7ZDCZHSCWQFKLQTLTV6Q \
  | 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: c7d9e983f918b2790ad02a9709ae75f42d7fbd72ff4c6e2c53eafa7577a7fd2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22cfd571702c647d5107c0d96831944c0221a599ba9186c4c6911c3b30e8cd78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-02-06T15:20:16Z",
    "title_canon_sha256": "f943c20f2914129dae6e483bb4cfe66ad831214b0d35f2700ca4a9d2dddbaf1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01651",
    "kind": "arxiv",
    "version": 1
  }
}