Pith Number

pith:OESRP3WI

pith:2019:OESRP3WIAL4P5XN4H36ST6CBBG

not attested not anchored not stored refs pending

Equivariant cohomology of a complexity-one four-manifold is determined by combinatorial data

Liat Kessler, Tara Holm

arxiv:1912.05647 v4 · 2019-12-11 · 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{OESRP3WIAL4P5XN4H36ST6CBBG}

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.

Cited by

1 paper in Pith

Equivariant cohomological rigidity for four-dimensional Hamiltonian $\mathbf{S^1}$-manifolds

Receipt and verification

First computed	2026-07-05T11:52:10.697803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

712517eec802f8feddbc3efd29f841099bc6d084feaee92c4983b643bd590f55

Aliases

arxiv: 1912.05647 · arxiv_version: 1912.05647v4 · doi: 10.48550/arxiv.1912.05647 · pith_short_12: OESRP3WIAL4P · pith_short_16: OESRP3WIAL4P5XN4 · pith_short_8: OESRP3WI

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/OESRP3WIAL4P5XN4H36ST6CBBG \
  | 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: 712517eec802f8feddbc3efd29f841099bc6d084feaee92c4983b643bd590f55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fe66ecfe20664ce280e1a22cb927b4b27c4b2aabbd37af64793e27fb44a9874",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2019-12-11T21:35:42Z",
    "title_canon_sha256": "c2271d44373b465086627d02855e08563056d37b957f6049db4365faa2aab386"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.05647",
    "kind": "arxiv",
    "version": 4
  }
}