Pith Number

pith:F55PDG7V

pith:2016:F55PDG7V23XU4KQ5ZELNL5MNHM

not attested not anchored not stored refs pending

Complex and Lagrangian surfaces of the complex projective plane via K\"ahlerian Killing Spin$^c$ spinors

Julien Roth, Roger Nakad

arxiv:1606.05983 v2 · 2016-06-20 · 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{F55PDG7V23XU4KQ5ZELNL5MNHM}

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	2026-05-18T00:47:14.262232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f7af19bf5d6ef4e2a1dc916d5f58d3b2f630f7c50308aa1b70ec0a9a3b6297a

Aliases

arxiv: 1606.05983 · arxiv_version: 1606.05983v2 · doi: 10.48550/arxiv.1606.05983 · pith_short_12: F55PDG7V23XU · pith_short_16: F55PDG7V23XU4KQ5 · pith_short_8: F55PDG7V

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/F55PDG7V23XU4KQ5ZELNL5MNHM \
  | 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: 2f7af19bf5d6ef4e2a1dc916d5f58d3b2f630f7c50308aa1b70ec0a9a3b6297a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a2c7f5e53a33067dca388e304aee9c8fc2f9bb7215e4d5b64e046245c00ded0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-06-20T06:35:11Z",
    "title_canon_sha256": "fbdff6f41e9366b0d6e12a5ed4edc7801fedd1c53ffce04ced67d5903f2ea49e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05983",
    "kind": "arxiv",
    "version": 2
  }
}