Pith Number

pith:T4F5LHG7

pith:2013:T4F5LHG7QFG5S3OVKHVLMFYKHD

not attested not anchored not stored refs pending

ALE Ricci-flat Kahler surfaces and weighted projective spaces

Ioana Suvaina, Rares Rasdeaconu

arxiv:1301.4727 v2 · 2013-01-21 · 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{T4F5LHG7QFG5S3OVKHVLMFYKHD}

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	2026-05-18T02:45:29.054607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f0bd59cdf814dd96dd551eab6170a38f7702c668aa6cf4f38ee3b0039412188

Aliases

arxiv: 1301.4727 · arxiv_version: 1301.4727v2 · doi: 10.48550/arxiv.1301.4727 · pith_short_12: T4F5LHG7QFG5 · pith_short_16: T4F5LHG7QFG5S3OV · pith_short_8: T4F5LHG7

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/T4F5LHG7QFG5S3OVKHVLMFYKHD \
  | 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: 9f0bd59cdf814dd96dd551eab6170a38f7702c668aa6cf4f38ee3b0039412188

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78f92e6f5115c634c3c05526dcf028bb87ed7488823a589a6cd6ac7f2a1794e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-01-21T02:03:14Z",
    "title_canon_sha256": "38a2da87ebf8149c4be382579e03b010e39d3d8f6d2e1e34b90b3707192919b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4727",
    "kind": "arxiv",
    "version": 2
  }
}