Pith Number

pith:4GUXUOT5

pith:2008:4GUXUOT57DWRXL4MORZ5L7EJUA

not attested not anchored not stored refs pending

The Duistermaat-Heckman formula and the cohomology of moduli spaces of polygons

Alessia Mandini

arxiv:0811.4062 v3 · 2008-11-25 · 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{4GUXUOT57DWRXL4MORZ5L7EJUA}

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	2026-05-18T03:16:06.817627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1a97a3a7df8ed1baf8c7473d5fc89a0309c03d1c027d9a258a723d08627e774

Aliases

arxiv: 0811.4062 · arxiv_version: 0811.4062v3 · doi: 10.48550/arxiv.0811.4062 · pith_short_12: 4GUXUOT57DWR · pith_short_16: 4GUXUOT57DWRXL4M · pith_short_8: 4GUXUOT5

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/4GUXUOT57DWRXL4MORZ5L7EJUA \
  | 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: e1a97a3a7df8ed1baf8c7473d5fc89a0309c03d1c027d9a258a723d08627e774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99a68d6a19038bf1de763ea2b412e95e74f4903d0b18cf650ee1008a030e2be3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2008-11-25T11:47:10Z",
    "title_canon_sha256": "978ce045f66897a1f54176a062b9fa8668291b26ed4e3b35cd9fe0c48a3aa336"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.4062",
    "kind": "arxiv",
    "version": 3
  }
}