Pith Number

pith:IYYJEXS6

pith:2013:IYYJEXS6DKBD3VJP3J4FTUQGNR

not attested not anchored not stored refs pending

Counting rational points on del Pezzo surfaces with a conic bundle structure

M. Swarbrick Jones, T.D. Browning

arxiv:1311.1665 v1 · 2013-11-07 · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYYJEXS6DKBD3VJP3J4FTUQGNR}

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	2026-05-18T03:07:43.695802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4630925e5e1a823dd52fda7859d2066c785b087f712be13f73279605cf90e464

Aliases

arxiv: 1311.1665 · arxiv_version: 1311.1665v1 · doi: 10.48550/arxiv.1311.1665 · pith_short_12: IYYJEXS6DKBD · pith_short_16: IYYJEXS6DKBD3VJP · pith_short_8: IYYJEXS6

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/IYYJEXS6DKBD3VJP3J4FTUQGNR \
  | 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: 4630925e5e1a823dd52fda7859d2066c785b087f712be13f73279605cf90e464

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e13634eab04f8a73081ba6548976e7bd8d46d32204760ebe0d22199027034aef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2013-11-07T13:11:48Z",
    "title_canon_sha256": "62ac667b601099ea5c7fcd58ddb8dcee72321cb8f21d23d51be667e522ed3a63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1665",
    "kind": "arxiv",
    "version": 1
  }
}