Pith Number

pith:64QGQBRD

pith:2010:64QGQBRDEHUXOYMN2RKAU2GNYN

not attested not anchored not stored refs pending

Lagrangian Topology and Enumerative Geometry

Octav Cornea, Paul Biran

arxiv:1011.2271 v1 · 2010-11-10 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64QGQBRDEHUXOYMN2RKAU2GNYN}

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	2026-05-18T02:38:18.336283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f72068062321e977618dd4540a68cdc3645f40d5ec6b400fa1ebc15ce52d3f79

Aliases

arxiv: 1011.2271 · arxiv_version: 1011.2271v1 · doi: 10.48550/arxiv.1011.2271 · pith_short_12: 64QGQBRDEHUX · pith_short_16: 64QGQBRDEHUXOYMN · pith_short_8: 64QGQBRD

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/64QGQBRDEHUXOYMN2RKAU2GNYN \
  | 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: f72068062321e977618dd4540a68cdc3645f40d5ec6b400fa1ebc15ce52d3f79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d9f3dbb061cb017cc9cfcff5d606fc4858b9ab9b312c75a749ec0d9170ed47d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2010-11-10T04:35:49Z",
    "title_canon_sha256": "dcf17a07f04e4d7648c9a809ed8e34b4c7afbd65408f8d1abb0753aa081a3c48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2271",
    "kind": "arxiv",
    "version": 1
  }
}