Pith Number

pith:IZDH6ETA

pith:2015:IZDH6ETA6SBE7ARNXCPW52HPZL

not attested not anchored not stored refs pending

Full Degree Two del Pezzo Surfaces over Small Finite Fields

Amanda Knecht, Kristofer Reyes

arxiv:1510.04621 v2 · 2015-10-15 · 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{IZDH6ETA6SBE7ARNXCPW52HPZL}

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	2026-05-18T01:17:25.259725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46467f1260f4824f822db89f6ee8efcadfdc349fc31073b0087614b785e3c5a8

Aliases

arxiv: 1510.04621 · arxiv_version: 1510.04621v2 · doi: 10.48550/arxiv.1510.04621 · pith_short_12: IZDH6ETA6SBE · pith_short_16: IZDH6ETA6SBE7ARN · pith_short_8: IZDH6ETA

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/IZDH6ETA6SBE7ARNXCPW52HPZL \
  | 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: 46467f1260f4824f822db89f6ee8efcadfdc349fc31073b0087614b785e3c5a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aaa392f6ea427537145c8a4498fd3f3a8e278d5d25066ac5c396e959f4d3d6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-10-15T16:50:18Z",
    "title_canon_sha256": "4573216b8796d206d795a28b94bc8102daffcef29cf270e77882af359a5ebe09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04621",
    "kind": "arxiv",
    "version": 2
  }
}