Pith Number

pith:Q43QBXOX

pith:2012:Q43QBXOXDRPC23ZYY45GKEGM4S

not attested not anchored not stored refs pending

Symplectic analog of Calabi's conjecture for Calabi--Yau threefolds

Dmitry V. Egorov

arxiv:1203.2665 v1 · 2012-03-12 · 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{Q43QBXOXDRPC23ZYY45GKEGM4S}

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

Accelerated Time-domain Analysis for Gravitational Wave Astronomy

Receipt and verification

First computed	2026-05-18T04:00:15.029689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

873700ddd71c5e2d6f38c73a6510cce4b48444bfdb11ce723deb322f7a310a93

Aliases

arxiv: 1203.2665 · arxiv_version: 1203.2665v1 · doi: 10.48550/arxiv.1203.2665 · pith_short_12: Q43QBXOXDRPC · pith_short_16: Q43QBXOXDRPC23ZY · pith_short_8: Q43QBXOX

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/Q43QBXOXDRPC23ZYY45GKEGM4S \
  | 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: 873700ddd71c5e2d6f38c73a6510cce4b48444bfdb11ce723deb322f7a310a93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4863604c6e49c3e180cb41379f4c9518b9561aed6c85ec32b211a9aab8b1df29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-03-12T22:13:35Z",
    "title_canon_sha256": "b53ae5d60cf79859325c96e0d2de37a0e40892b195701002375c684d0a7452f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2665",
    "kind": "arxiv",
    "version": 1
  }
}