Pith Number

pith:JRCO6E7W

pith:2018:JRCO6E7WU2OXWZ6TIIM5WG3STJ

not attested not anchored not stored refs pending

$\mathbb{Z}_{2}$-equivariant Heegaard Floer cohomology of knots in $S^{3}$ as a strong Heegaard invariant

Sungkyung Kang

arxiv:1810.01919 v1 · 2018-10-03 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JRCO6E7WU2OXWZ6TIIM5WG3STJ}

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	2026-05-18T00:04:06.968143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c44ef13f6a69d7b67d34219db1b729a5337f4bee96ecc5e6f141807f00bedba

Aliases

arxiv: 1810.01919 · arxiv_version: 1810.01919v1 · doi: 10.48550/arxiv.1810.01919 · pith_short_12: JRCO6E7WU2OX · pith_short_16: JRCO6E7WU2OXWZ6T · pith_short_8: JRCO6E7W

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/JRCO6E7WU2OXWZ6TIIM5WG3STJ \
  | 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: 4c44ef13f6a69d7b67d34219db1b729a5337f4bee96ecc5e6f141807f00bedba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43b4f7d5848adc592d3e465b5b54aeea9148fa7eff613d1b2c1a35d050392e94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-10-03T19:04:02Z",
    "title_canon_sha256": "ecb404ee915f973a71daf5b7f48acf1ceeefd858c3963baf10c254b217155dba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01919",
    "kind": "arxiv",
    "version": 1
  }
}