Pith Number

pith:ZAVDL4FA

pith:2013:ZAVDL4FA4RFWJY7SFB55BPQDLO

not attested not anchored not stored refs pending

Very free curves on Fano Complete Intersections

Qile Chen, Yi Zhu

arxiv:1311.7189 v2 · 2013-11-28 · 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{ZAVDL4FA4RFWJY7SFB55BPQDLO}

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	2026-05-18T01:37:28.903773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c82a35f0a0e44b64e3f2287bd0be035b87709272579ed005d240f6a6f105fa1c

Aliases

arxiv: 1311.7189 · arxiv_version: 1311.7189v2 · doi: 10.48550/arxiv.1311.7189 · pith_short_12: ZAVDL4FA4RFW · pith_short_16: ZAVDL4FA4RFWJY7S · pith_short_8: ZAVDL4FA

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/ZAVDL4FA4RFWJY7SFB55BPQDLO \
  | 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: c82a35f0a0e44b64e3f2287bd0be035b87709272579ed005d240f6a6f105fa1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63fe750e53cd74f63505a8197c3b592fb8c396f876e13e5917f8320bd679e0f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-11-28T02:26:55Z",
    "title_canon_sha256": "838cb9dac6bd4e48e242c229c56ecbbd057e84307cfc408f7cdfe3ed1a3fe229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7189",
    "kind": "arxiv",
    "version": 2
  }
}