Pith Number

pith:BAVFCMGO

pith:2014:BAVFCMGOXGN27XUDZW7S2QPIE5

not attested not anchored not stored refs pending

Primitive cohomology of degree 2 on compact symplectic manifolds

Hongyu Wang, Jiuru Zhou, Qiang Tan

arxiv:1403.1963 v1 · 2014-03-08 · 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{BAVFCMGOXGN27XUDZW7S2QPIE5}

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	2026-05-18T02:56:51.182302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

082a5130ceb99bafde83cdbf2d41e8276a157b32a2f3361a867c216ae9824628

Aliases

arxiv: 1403.1963 · arxiv_version: 1403.1963v1 · doi: 10.48550/arxiv.1403.1963 · pith_short_12: BAVFCMGOXGN2 · pith_short_16: BAVFCMGOXGN27XUD · pith_short_8: BAVFCMGO

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/BAVFCMGOXGN27XUDZW7S2QPIE5 \
  | 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: 082a5130ceb99bafde83cdbf2d41e8276a157b32a2f3361a867c216ae9824628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feb3f88968ee83ab1686d5d03318b09f49f2b7135b533e2f87b93ae62f3544bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-03-08T12:22:15Z",
    "title_canon_sha256": "9870bb49e116a51ef17f443e063427ede4082fb4bee9dde4b4b298515abefea2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1963",
    "kind": "arxiv",
    "version": 1
  }
}