Pith Number

pith:RXPCF2D2

pith:2012:RXPCF2D2OT4TWMRDA7IEIZPW5X

not attested not anchored not stored refs pending

Non-periodic bifurcation for surface diffeomorphisms

Nivaldo Muniz, Paulo Sabini, Vanderlei Horita

arxiv:1211.6682 v1 · 2012-11-28 · 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{RXPCF2D2OT4TWMRDA7IEIZPW5X}

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	2026-05-18T03:39:44.037519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dde22e87a74f93b322307d04465f6edf7983d023212ce19ee4e3ce195f53ff8

Aliases

arxiv: 1211.6682 · arxiv_version: 1211.6682v1 · doi: 10.48550/arxiv.1211.6682 · pith_short_12: RXPCF2D2OT4T · pith_short_16: RXPCF2D2OT4TWMRD · pith_short_8: RXPCF2D2

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/RXPCF2D2OT4TWMRDA7IEIZPW5X \
  | 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: 8dde22e87a74f93b322307d04465f6edf7983d023212ce19ee4e3ce195f53ff8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ee1072253c9e685ff0105c70dccb0f9f9e64cf509918c7518460a9ae874ce1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-11-28T17:54:25Z",
    "title_canon_sha256": "2986dcac6aaf4211bd43418a9cabc6fa8978ee094f12b97904374fa2a4dc15f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6682",
    "kind": "arxiv",
    "version": 1
  }
}