Pith Number

pith:FYSYEBGC

pith:2013:FYSYEBGCVT2NWLIAHURRJBNJEJ

not attested not anchored not stored refs pending

Complete arcs and complete caps from cubics with an isolated double point

Daniele Bartoli, Irene Platoni, Massimo Giulietti, Nurdagul Anbar

arxiv:1305.3420 v1 · 2013-05-15 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FYSYEBGCVT2NWLIAHURRJBNJEJ}

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	2026-05-18T03:25:35.845466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e258204c2acf4db2d003d231485a92252bc416694aa947f7fbabed7ecf8fcaf

Aliases

arxiv: 1305.3420 · arxiv_version: 1305.3420v1 · doi: 10.48550/arxiv.1305.3420 · pith_short_12: FYSYEBGCVT2N · pith_short_16: FYSYEBGCVT2NWLIA · pith_short_8: FYSYEBGC

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/FYSYEBGCVT2NWLIAHURRJBNJEJ \
  | 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: 2e258204c2acf4db2d003d231485a92252bc416694aa947f7fbabed7ecf8fcaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d67079f6b2faad3e67cdcb9823af81dfc4014192acee8a97895a4d087e14249",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-05-15T10:29:18Z",
    "title_canon_sha256": "efb8f50150f4847b3044580f77b575a288c236a810a10dff3f925ad717b4428d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3420",
    "kind": "arxiv",
    "version": 1
  }
}