Pith Number

pith:HJE46EL7

pith:2016:HJE46EL7IDT6CA2YDPLGR24WOD

not attested not anchored not stored refs pending

Exploring modular forms and the cohomology of local systems on moduli spaces by counting points

Gerard van der Geer

arxiv:1604.02654 v1 · 2016-04-10 · math.AG · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJE46EL7IDT6CA2YDPLGR24WOD}

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	2026-05-18T01:17:22.509824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a49cf117f40e7e103581bd668eb9670fb4b6f296e5a7cafe9c8fd64e1b2fbf2

Aliases

arxiv: 1604.02654 · arxiv_version: 1604.02654v1 · doi: 10.48550/arxiv.1604.02654 · pith_short_12: HJE46EL7IDT6 · pith_short_16: HJE46EL7IDT6CA2Y · pith_short_8: HJE46EL7

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/HJE46EL7IDT6CA2YDPLGR24WOD \
  | 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: 3a49cf117f40e7e103581bd668eb9670fb4b6f296e5a7cafe9c8fd64e1b2fbf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "450b17d4a57a2a8ec7ca0f20ce6d0de8ec50bbb49a66d02c38dfc791ad95d3a9",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-04-10T08:57:17Z",
    "title_canon_sha256": "5e63ccf05d304b4c3d7e5c5ac32d11091f866d07488197ab7b60ffa7a647fb19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02654",
    "kind": "arxiv",
    "version": 1
  }
}