Pith Number

pith:3E5T7NMD

pith:2009:3E5T7NMDI7T2WGGOXTF5QAKUL4

not attested not anchored not stored refs pending

Local properties of good moduli spaces

Jarod Alper

arxiv:0904.3358 v2 · 2009-04-21 · 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{3E5T7NMDI7T2WGGOXTF5QAKUL4}

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	2026-05-18T04:00:16.259705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d93b3fb58347e7ab18cebccbd801545f2c1d4ec44cb468e4a60833e543592b93

Aliases

arxiv: 0904.3358 · arxiv_version: 0904.3358v2 · doi: 10.48550/arxiv.0904.3358 · pith_short_12: 3E5T7NMDI7T2 · pith_short_16: 3E5T7NMDI7T2WGGO · pith_short_8: 3E5T7NMD

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/3E5T7NMDI7T2WGGOXTF5QAKUL4 \
  | 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: d93b3fb58347e7ab18cebccbd801545f2c1d4ec44cb468e4a60833e543592b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d70aa91ed755a6dd8f0748b34ea0a75cae2de29b1616f083b0b79d33b4ce0e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-04-21T22:48:52Z",
    "title_canon_sha256": "65ebae973924874bd157bbf9146ca4006c18724381cf6fadfb7301f3c465bdab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3358",
    "kind": "arxiv",
    "version": 2
  }
}