Pith Number

pith:AMLAFLY2

pith:2014:AMLAFLY2KN3U3GUDEZZALWHIBV

not attested not anchored not stored refs pending

A note on the deformations of almost complex structures on compact four-manifolds

Hongyu Wang, Jiuru Zhou, Qiang Tan

arxiv:1411.4103 v3 · 2014-11-15 · 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{AMLAFLY2KN3U3GUDEZZALWHIBV}

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	2026-05-18T00:59:27.924570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

031602af1a53774d9a83267205d8e80d49c5225725ebf6af2ec067c1a8785a48

Aliases

arxiv: 1411.4103 · arxiv_version: 1411.4103v3 · doi: 10.48550/arxiv.1411.4103 · pith_short_12: AMLAFLY2KN3U · pith_short_16: AMLAFLY2KN3U3GUD · pith_short_8: AMLAFLY2

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/AMLAFLY2KN3U3GUDEZZALWHIBV \
  | 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: 031602af1a53774d9a83267205d8e80d49c5225725ebf6af2ec067c1a8785a48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9a4d0708431d39e9b1b19418bcdc00fb6abd2eecc8c88de091b5780a176f2c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-11-15T02:23:55Z",
    "title_canon_sha256": "4c1c96588a25aa79966e95a8e1f8e8461e1389ae5bf97ad427a223aa5518e2eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4103",
    "kind": "arxiv",
    "version": 3
  }
}