pith. sign in
Pith Number

pith:FCOS6UQG

pith:2017:FCOS6UQGJAZBARMXY32GU7ORHI
not attested not anchored not stored refs pending

Varieties of sums of powers and moduli spaces of (1,7)-polarized abelian surfaces

Alex Massarenti, Michele Bolognesi

arxiv:1704.06964 v2 · 2017-04-23 · math.AG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FCOS6UQGJAZBARMXY32GU7ORHI}

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 2026-05-18T00:21:14.078541Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

289d2f52064832104597c6f46a7dd13a2144420c666fa495fa1e22a8d6d1f593

Aliases

arxiv: 1704.06964 · arxiv_version: 1704.06964v2 · doi: 10.48550/arxiv.1704.06964 · pith_short_12: FCOS6UQGJAZB · pith_short_16: FCOS6UQGJAZBARMX · pith_short_8: FCOS6UQG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FCOS6UQGJAZBARMXY32GU7ORHI \
  | 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: 289d2f52064832104597c6f46a7dd13a2144420c666fa495fa1e22a8d6d1f593
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c8c3dea1f0f2ed8a7b75d5b3bd5160db362ded7fde658d0be1a1f4d606110053",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-04-23T19:33:35Z",
    "title_canon_sha256": "7e6173f81e37a7434e3dcbd1a6346af6573dfaae1ab7409b1b1667ea00d88f8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06964",
    "kind": "arxiv",
    "version": 2
  }
}