Pith Number

pith:D5TZLBPD

pith:2011:D5TZLBPDBMGNHCG54VVS5O7TGT

not attested not anchored not stored refs pending

The cohomology of the moduli space of abelian varieties

Gerard van der Geer

arxiv:1112.2294 v1 · 2011-12-10 · 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{D5TZLBPDBMGNHCG54VVS5O7TGT}

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	2026-05-18T04:06:34.887454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f679585e30b0cd388dde56b2ebbf334e7e758691946173575c2260a3271ce5f

Aliases

arxiv: 1112.2294 · arxiv_version: 1112.2294v1 · doi: 10.48550/arxiv.1112.2294 · pith_short_12: D5TZLBPDBMGN · pith_short_16: D5TZLBPDBMGNHCG5 · pith_short_8: D5TZLBPD

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/D5TZLBPDBMGNHCG54VVS5O7TGT \
  | 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: 1f679585e30b0cd388dde56b2ebbf334e7e758691946173575c2260a3271ce5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c49f36b077ae55a0aecb448987e6f0edc2a350cbab298540627862836feb4450",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-12-10T18:38:18Z",
    "title_canon_sha256": "9b3c7f5bbb114f045a35477cbfbf09252a1b1d96f17840f4ef1e73b2f0397a6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2294",
    "kind": "arxiv",
    "version": 1
  }
}