Pith Number

pith:DDW46XU5

pith:2012:DDW46XU52LJG73CCCALMKARV7W

not attested not anchored not stored refs pending

Generators for Cubic Surfaces with two Skew Lines over Finite Fields

Jenny Cooley

arxiv:1205.6392 v2 · 2012-05-29 · 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{DDW46XU52LJG73CCCALMKARV7W}

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	2026-05-18T03:04:14.059160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18edcf5e9dd2d26fec421016c50235fdba2d77dd132f849eb9bf0c9b36c21148

Aliases

arxiv: 1205.6392 · arxiv_version: 1205.6392v2 · doi: 10.48550/arxiv.1205.6392 · pith_short_12: DDW46XU52LJG · pith_short_16: DDW46XU52LJG73CC · pith_short_8: DDW46XU5

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/DDW46XU52LJG73CCCALMKARV7W \
  | 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: 18edcf5e9dd2d26fec421016c50235fdba2d77dd132f849eb9bf0c9b36c21148

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26c80bfefda794b996ba1688037c8f042d8086ca4c6d33b2070777ab4463193b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2012-05-29T15:29:13Z",
    "title_canon_sha256": "e0045cb45ed70e1def278db62d8e7db12251eebad6acbd2f444adc655f8295fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6392",
    "kind": "arxiv",
    "version": 2
  }
}