Pith Number

pith:PQCKEE7L

pith:2006:PQCKEE7LNUNWZAQBJDIP5CYAJC

not attested not anchored not stored refs pending

Intersection numbers with Witten's top Chern class

Dimitri Zvonkine, Sergei Shadrin

arxiv:math/0601075 v1 · 2006-01-04 · 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{PQCKEE7LNUNWZAQBJDIP5CYAJC}

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	2026-05-18T02:37:59.649596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c04a213eb6d1b6c820148d0fe8b0048862c233c8d6aca81a30380892774e559

Aliases

arxiv: math/0601075 · arxiv_version: math/0601075v1 · doi: 10.48550/arxiv.math/0601075 · pith_short_12: PQCKEE7LNUNW · pith_short_16: PQCKEE7LNUNWZAQB · pith_short_8: PQCKEE7L

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/PQCKEE7LNUNWZAQBJDIP5CYAJC \
  | 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: 7c04a213eb6d1b6c820148d0fe8b0048862c233c8d6aca81a30380892774e559

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53d495f5b30502de27ff1f241ff2cf2fb63aa3b537b4993fb342cc2c3467bca8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2006-01-04T18:21:14Z",
    "title_canon_sha256": "1b91823d7030283b4a1a9afd9ddeae1286d1bd4c60f5a49fd52fd54bfec25df6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0601075",
    "kind": "arxiv",
    "version": 1
  }
}