Pith Number

pith:NW7BOMTB

pith:2013:NW7BOMTBLXZO7ZDDR6NVUJDMXF

not attested not anchored not stored refs pending

Anti-selfdual Connections On The Quantum Projective Plane: Instantons

Francesco D'Andrea, Giovanni Landi

arxiv:1305.1246 v2 · 2013-05-06 · math.QA · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NW7BOMTBLXZO7ZDDR6NVUJDMXF}

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	2026-05-18T02:40:45.795662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dbe1732615df2efe4638f9b5a246cb97742e3edfcc72651fa181877f59d85c1

Aliases

arxiv: 1305.1246 · arxiv_version: 1305.1246v2 · doi: 10.48550/arxiv.1305.1246 · pith_short_12: NW7BOMTBLXZO · pith_short_16: NW7BOMTBLXZO7ZDD · pith_short_8: NW7BOMTB

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/NW7BOMTBLXZO7ZDDR6NVUJDMXF \
  | 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: 6dbe1732615df2efe4638f9b5a246cb97742e3edfcc72651fa181877f59d85c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f8653c2f8145dc75097ca5d91c3810a11e4c9024276968512fcfa094f55809b",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2013-05-06T17:01:06Z",
    "title_canon_sha256": "d9a92b131225eb379611425b6f685abc257c2231e8cc12015f3f29e227f3e912"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1246",
    "kind": "arxiv",
    "version": 2
  }
}