Pith Number

pith:P7TWTQHJ

pith:2015:P7TWTQHJAWEJI6SPPG5GHRYAKH

not attested not anchored not stored refs pending

Non-K\"ahler complex structures on $R^4$

Antonio J. Di Scala, Daniele Zuddas, Naohiko Kasuya

arxiv:1501.06097 v4 · 2015-01-24 · math.GT · math.AG · math.CV · math.DG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7TWTQHJAWEJI6SPPG5GHRYAKH}

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	2026-05-18T00:42:33.546936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fe769c0e90588947a4f79ba63c70051e78ffcd7f20e3713186d39adf1a2ce44

Aliases

arxiv: 1501.06097 · arxiv_version: 1501.06097v4 · doi: 10.48550/arxiv.1501.06097 · pith_short_12: P7TWTQHJAWEJ · pith_short_16: P7TWTQHJAWEJI6SP · pith_short_8: P7TWTQHJ

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/P7TWTQHJAWEJI6SPPG5GHRYAKH \
  | 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: 7fe769c0e90588947a4f79ba63c70051e78ffcd7f20e3713186d39adf1a2ce44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b60771bc7d97804f00f372af87653ae995811633a993b81d1b1cff71cfce29a1",
    "cross_cats_sorted": [
      "math.AG",
      "math.CV",
      "math.DG",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-01-24T23:33:56Z",
    "title_canon_sha256": "87615dbbb66006a3112a2581e3e74e8d2dbd0ee1b22f92bbed700c2e2cc0c042"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06097",
    "kind": "arxiv",
    "version": 4
  }
}