Pith Number

pith:KKNSEAIJ

pith:2013:KKNSEAIJ4Y3XXR5VEGRXGD4ARF

not attested not anchored not stored refs pending

On the Fukaya category of a Fano hypersurface in projective space

Nick Sheridan

arxiv:1306.4143 v5 · 2013-06-18 · 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{KKNSEAIJ4Y3XXR5VEGRXGD4ARF}

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	2026-05-18T00:55:58.860689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

529b220109e6377bc7b521a3730f808973a0676a6d61ff693fd81be5a2784121

Aliases

arxiv: 1306.4143 · arxiv_version: 1306.4143v5 · doi: 10.48550/arxiv.1306.4143 · pith_short_12: KKNSEAIJ4Y3X · pith_short_16: KKNSEAIJ4Y3XXR5V · pith_short_8: KKNSEAIJ

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/KKNSEAIJ4Y3XXR5VEGRXGD4ARF \
  | 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: 529b220109e6377bc7b521a3730f808973a0676a6d61ff693fd81be5a2784121

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fca3d12953228da1cc9cf8089eac2e7583cc017ba796531d9454c5f1ad69383",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-06-18T11:25:50Z",
    "title_canon_sha256": "20e9499c35768bfd16668655e9f236f26683d5b1ff500258d944d5d197e7c3ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4143",
    "kind": "arxiv",
    "version": 5
  }
}