Pith Number

pith:YYMYW3VP

pith:2013:YYMYW3VPR6JP6RQYG4WHNWBS7D

not attested not anchored not stored refs pending

The transcendental lattice of the sextic Fermat surface

Asher Auel, Christian B\"ohning, Hans-Christian Graf v. Bothmer

arxiv:1306.6798 v2 · 2013-06-28 · 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{YYMYW3VPR6JP6RQYG4WHNWBS7D}

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	2026-05-18T00:35:09.711845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6198b6eaf8f92ff4618372c76d832f8d80776b57948f5a1e373d236b7f6de90

Aliases

arxiv: 1306.6798 · arxiv_version: 1306.6798v2 · doi: 10.48550/arxiv.1306.6798 · pith_short_12: YYMYW3VPR6JP · pith_short_16: YYMYW3VPR6JP6RQY · pith_short_8: YYMYW3VP

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/YYMYW3VPR6JP6RQYG4WHNWBS7D \
  | 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: c6198b6eaf8f92ff4618372c76d832f8d80776b57948f5a1e373d236b7f6de90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acb22f21e9f2fa2a23d26576112a072a53a113389f3f38cfa227b42040abaf68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-06-28T11:24:41Z",
    "title_canon_sha256": "6f7cc2a3ef7a32cb2b4e802e05eea7889adebfd8efca3e8d8dab1d83f9f4b290"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6798",
    "kind": "arxiv",
    "version": 2
  }
}