Pith Number

pith:LBPANMER

pith:2012:LBPANMERLX2HY3PZUYTDZUN4QN

not attested not anchored not stored refs pending

SU(2)-Donaldson invariants of the complex projective plane

Andreas Malmendier, Ken Ono, Michael Griffin

arxiv:1209.2743 v1 · 2012-09-12 · math.DG · hep-th · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LBPANMERLX2HY3PZUYTDZUN4QN}

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	2026-05-18T00:24:45.702400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

585e06b0915df47c6df9a6263cd1bc8361d5df67906e9f4721522f4c710514b4

Aliases

arxiv: 1209.2743 · arxiv_version: 1209.2743v1 · doi: 10.48550/arxiv.1209.2743 · pith_short_12: LBPANMERLX2H · pith_short_16: LBPANMERLX2HY3PZ · pith_short_8: LBPANMER

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/LBPANMERLX2HY3PZUYTDZUN4QN \
  | 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: 585e06b0915df47c6df9a6263cd1bc8361d5df67906e9f4721522f4c710514b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad8cf901f9474e60db2b5b2f5ebea3788b67588edde8ae30a944e86fe9ce2e5",
    "cross_cats_sorted": [
      "hep-th",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-09-12T21:48:51Z",
    "title_canon_sha256": "9816a27231850679584378921bd0480344405c820b92da72f6791cedbad7a76a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2743",
    "kind": "arxiv",
    "version": 1
  }
}