Pith Number

pith:N47XXIMU

pith:2018:N47XXIMUS3RPHTWVRGUGH6M7TL

not attested not anchored not stored refs pending

Caustics of Poncelet polygons and classical extremal polynomials

Milena Radnovic, Vladimir Dragovic

arxiv:1812.02907 v1 · 2018-12-07 · math.DS · math.AG · math.CA · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N47XXIMUS3RPHTWVRGUGH6M7TL}

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	2026-05-17T23:58:51.454292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f3f7ba19496e2f3ced589a863f99f9af7a902316321765cfd91b506a993d411

Aliases

arxiv: 1812.02907 · arxiv_version: 1812.02907v1 · doi: 10.48550/arxiv.1812.02907 · pith_short_12: N47XXIMUS3RP · pith_short_16: N47XXIMUS3RPHTWV · pith_short_8: N47XXIMU

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/N47XXIMUS3RPHTWVRGUGH6M7TL \
  | 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: 6f3f7ba19496e2f3ced589a863f99f9af7a902316321765cfd91b506a993d411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c4963acef7698eb7a90e9092019fd354c6fd897fb58f384d09f7c845f8b5251",
    "cross_cats_sorted": [
      "math.AG",
      "math.CA",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-12-07T04:58:05Z",
    "title_canon_sha256": "8cd0fe5a8245d235373c5673563c911a08a642edbbb2ba7fa6274f4f3529846d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02907",
    "kind": "arxiv",
    "version": 1
  }
}