Pith Number

pith:2OUBHZQC

pith:2017:2OUBHZQCJZ4BWQZBV5IUPGILLF

not attested not anchored not stored refs pending

Poincar\'e polynomials of moduli spaces of Higgs bundles and character varieties (no punctures)

Anton Mellit

arxiv:1707.04214 v1 · 2017-07-13 · 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{2OUBHZQCJZ4BWQZBV5IUPGILLF}

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	2026-05-18T00:40:20.220098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3a813e6024e781b4321af5147990b594097a89155cf122e67f8b2bb2d767826

Aliases

arxiv: 1707.04214 · arxiv_version: 1707.04214v1 · doi: 10.48550/arxiv.1707.04214 · pith_short_12: 2OUBHZQCJZ4B · pith_short_16: 2OUBHZQCJZ4BWQZB · pith_short_8: 2OUBHZQC

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/2OUBHZQCJZ4BWQZBV5IUPGILLF \
  | 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: d3a813e6024e781b4321af5147990b594097a89155cf122e67f8b2bb2d767826

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f820259221151b8d5e7d782af716f14b74fdc1d49c4d544dc0873f87d53a2f4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-07-13T16:41:03Z",
    "title_canon_sha256": "a9b88e0d6102daebd8df393008b9dd9648df13f74ea5cc1930cea6fa9060370e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04214",
    "kind": "arxiv",
    "version": 1
  }
}