Pith Number

pith:7NWUMNCR

pith:2008:7NWUMNCRHLBJYPOK4BYCFTFPT2

not attested not anchored not stored refs pending

Torelli theorem for the Deligne--Hitchin moduli space

Indranil Biswas, Marina Logares, Norbert Hoffmann, Tomas L. Gomez

arxiv:0901.0021 v1 · 2008-12-30 · 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{7NWUMNCRHLBJYPOK4BYCFTFPT2}

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	2026-05-18T02:15:03.573431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb6d4634513ac29c3dcae07022ccaf9ea45af7e06600e63d09fc67a48fd23c94

Aliases

arxiv: 0901.0021 · arxiv_version: 0901.0021v1 · doi: 10.48550/arxiv.0901.0021 · pith_short_12: 7NWUMNCRHLBJ · pith_short_16: 7NWUMNCRHLBJYPOK · pith_short_8: 7NWUMNCR

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/7NWUMNCRHLBJYPOK4BYCFTFPT2 \
  | 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: fb6d4634513ac29c3dcae07022ccaf9ea45af7e06600e63d09fc67a48fd23c94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc91f931cb387552609b74acdf541f70d68ae9c9beb586237e265b535b4df507",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-12-30T22:13:35Z",
    "title_canon_sha256": "34f740891904fb3b05652dba63e13e20ad014bea23a5fe3613512abb57d098d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0021",
    "kind": "arxiv",
    "version": 1
  }
}