Pith Number

pith:FH3X7UUM

pith:2012:FH3X7UUMBCEPFFPGC2Z46M5742

not attested not anchored not stored refs pending

Geometry of Weak Stability Boundaries

Edward Belbruno, Francesco Topputo, Marian Gidea

arxiv:1204.1502 v1 · 2012-04-06 · math.DS · 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{FH3X7UUMBCEPFFPGC2Z46M5742}

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	2026-05-18T03:58:25.358680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29f77fd28c0888f295e616b3cf33bfe6b05c1cb88a6c5570315f838d322725e9

Aliases

arxiv: 1204.1502 · arxiv_version: 1204.1502v1 · doi: 10.48550/arxiv.1204.1502 · pith_short_12: FH3X7UUMBCEP · pith_short_16: FH3X7UUMBCEPFFPG · pith_short_8: FH3X7UUM

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/FH3X7UUMBCEPFFPGC2Z46M5742 \
  | 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: 29f77fd28c0888f295e616b3cf33bfe6b05c1cb88a6c5570315f838d322725e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b28872e304f6091309ac8fa21e8d90f616ef99bcd0fbf19ca9d8e3cb5270c26e",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-04-06T15:42:36Z",
    "title_canon_sha256": "4419e511895396554a3e5f1899dc4fcc580d57a8accc38870708c9a32612d07b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1502",
    "kind": "arxiv",
    "version": 1
  }
}