Pith Number

pith:KQXYF7PZ

pith:2018:KQXYF7PZQSCB4BNF64FZTSUVBA

not attested not anchored not stored refs pending

Witten's conjecture and recursions for $\kappa$ classes

Renzo Cavalieri, Vance Blankers

arxiv:1810.11443 v1 · 2018-10-26 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQXYF7PZQSCB4BNF64FZTSUVBA}

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	2026-05-18T00:02:14.160986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

542f82fdf984841e05a5f70b99ca95081df4b4c461059e15bcbbb9eda367ece6

Aliases

arxiv: 1810.11443 · arxiv_version: 1810.11443v1 · doi: 10.48550/arxiv.1810.11443 · pith_short_12: KQXYF7PZQSCB · pith_short_16: KQXYF7PZQSCB4BNF · pith_short_8: KQXYF7PZ

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/KQXYF7PZQSCB4BNF64FZTSUVBA \
  | 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: 542f82fdf984841e05a5f70b99ca95081df4b4c461059e15bcbbb9eda367ece6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4838d53f4f48f9e81360595e57a8f91079cab8c1d96c763493d8d0daf7903a03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-10-26T17:48:02Z",
    "title_canon_sha256": "af455b0fc0698c43d6e39ea30730764b9a2e182ce0af0cd638ee3b78ec767d28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11443",
    "kind": "arxiv",
    "version": 1
  }
}