Pith Number

pith:3HX57N7V

pith:2013:3HX57N7VYJQQYL6NDSHRIH3CSM

not attested not anchored not stored refs pending

The Classification of Regular Surfaces Isogenous to a Product of Curves with $\chi(\mathcal O_S) = 2$

Christian Gleissner

arxiv:1310.3110 v1 · 2013-10-11 · 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{3HX57N7VYJQQYL6NDSHRIH3CSM}

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	2026-05-18T03:10:45.033355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9efdfb7f5c2610c2fcd1c8f141f62931a1d1d7527e73ef7ee2b0966fd0269af

Aliases

arxiv: 1310.3110 · arxiv_version: 1310.3110v1 · doi: 10.48550/arxiv.1310.3110 · pith_short_12: 3HX57N7VYJQQ · pith_short_16: 3HX57N7VYJQQYL6N · pith_short_8: 3HX57N7V

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/3HX57N7VYJQQYL6NDSHRIH3CSM \
  | 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: d9efdfb7f5c2610c2fcd1c8f141f62931a1d1d7527e73ef7ee2b0966fd0269af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae8bc0f5036b842177db7be8e5b972127e36c98b36bc728a7784a0e4e0c4e4d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-10-11T12:51:31Z",
    "title_canon_sha256": "3fe6e34c81e408e550feffff0b8f22abda119e8027cca1a150736bb941b7ac5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3110",
    "kind": "arxiv",
    "version": 1
  }
}