Pith Number

pith:LCXJX3D5

pith:2013:LCXJX3D5UATOMWAYG6MPUTKISC

not attested not anchored not stored refs pending

Surfaces isogenous to a product of curves, braid groups and mapping class groups

Matteo Penegini

arxiv:1311.5671 v1 · 2013-11-22 · 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{LCXJX3D5UATOMWAYG6MPUTKISC}

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	2026-05-18T03:06:23.572534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58ae9bec7da026e658183798fa4d4890ba77aa2d00dc8c4fcd4b8099775108ed

Aliases

arxiv: 1311.5671 · arxiv_version: 1311.5671v1 · doi: 10.48550/arxiv.1311.5671 · pith_short_12: LCXJX3D5UATO · pith_short_16: LCXJX3D5UATOMWAY · pith_short_8: LCXJX3D5

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/LCXJX3D5UATOMWAYG6MPUTKISC \
  | 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: 58ae9bec7da026e658183798fa4d4890ba77aa2d00dc8c4fcd4b8099775108ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06c0355a3f917792ec0859df7c0f57dd124cbdc46134640740ba5ae3e154e0bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-11-22T08:05:50Z",
    "title_canon_sha256": "40bd4154aac781f04c90d44940908e65f30aad4115a26a344176b97954a68ae1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5671",
    "kind": "arxiv",
    "version": 1
  }
}