Pith Number

pith:XAELZJPY

pith:2010:XAELZJPYATB6PHKHQ54EUECLCM

not attested not anchored not stored refs pending

Cohomology of local systems on loci of d-elliptic abelian surfaces

Dan Petersen

arxiv:1004.5462 v2 · 2010-04-30 · 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{XAELZJPYATB6PHKHQ54EUECLCM}

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	2026-05-18T03:01:25.605385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b808bca5f804c3e79d4787784a104b13368e508073bb18a490ac664cc8c321bf

Aliases

arxiv: 1004.5462 · arxiv_version: 1004.5462v2 · doi: 10.48550/arxiv.1004.5462 · pith_short_12: XAELZJPYATB6 · pith_short_16: XAELZJPYATB6PHKH · pith_short_8: XAELZJPY

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/XAELZJPYATB6PHKHQ54EUECLCM \
  | 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: b808bca5f804c3e79d4787784a104b13368e508073bb18a490ac664cc8c321bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3a2815e8d86d0db15ef887a8d5016a00f982b80508f61e8a858810e51cb4488",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-04-30T07:50:52Z",
    "title_canon_sha256": "89b2e82fdd17989423a2f443bad4c20862f7734f06e6e70f0dd7ec9fa29b5c67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5462",
    "kind": "arxiv",
    "version": 2
  }
}