Pith Number

pith:RE4IHFNS

pith:2013:RE4IHFNSNW723QHIOJU3JTGXZ4

not attested not anchored not stored refs pending

Lefschetz contact manifolds and odd dimensional symplectic geometry

Yi Lin

arxiv:1311.1431 v4 · 2013-11-06 · math.SG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RE4IHFNSNW723QHIOJU3JTGXZ4}

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.

Cited by

1 paper in Pith

Seven Sphere Quantization

Receipt and verification

First computed	2026-05-18T01:06:24.843847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89388395b26dbfadc0e87269b4ccd7cf2c8ba0a4361f898b850e76c01a983021

Aliases

arxiv: 1311.1431 · arxiv_version: 1311.1431v4 · doi: 10.48550/arxiv.1311.1431 · pith_short_12: RE4IHFNSNW72 · pith_short_16: RE4IHFNSNW723QHI · pith_short_8: RE4IHFNS

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/RE4IHFNSNW723QHIOJU3JTGXZ4 \
  | 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: 89388395b26dbfadc0e87269b4ccd7cf2c8ba0a4361f898b850e76c01a983021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b371a06573ae00a73601b6137584da17b748b828b3db9dc39b54462244558d32",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-11-06T16:12:45Z",
    "title_canon_sha256": "bd7801df98bf9744fc3165f4694787f67a63daddb5d82bf76fae4809a70c0c2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1431",
    "kind": "arxiv",
    "version": 4
  }
}