Pith Number

pith:MY2FYGZN

pith:2012:MY2FYGZN3QIAL654LMXBLNYQST

not attested not anchored not stored refs pending

Polynomials invertible in k-radicals

Askold Khovanskii, Yuri Burda

arxiv:1209.5137 v1 · 2012-09-24 · 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{MY2FYGZN3QIAL654LMXBLNYQST}

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	2026-05-18T03:44:59.108259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66345c1b2ddc1005fbbc5b2e15b71094c7f36a73204691d26efc6b1c1c406375

Aliases

arxiv: 1209.5137 · arxiv_version: 1209.5137v1 · doi: 10.48550/arxiv.1209.5137 · pith_short_12: MY2FYGZN3QIA · pith_short_16: MY2FYGZN3QIAL654 · pith_short_8: MY2FYGZN

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/MY2FYGZN3QIAL654LMXBLNYQST \
  | 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: 66345c1b2ddc1005fbbc5b2e15b71094c7f36a73204691d26efc6b1c1c406375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bca6b84a1c8a7746e583e2fb7949045ddfe2c21c6c509c18ca7aef88e968aa55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-09-24T02:14:28Z",
    "title_canon_sha256": "ea3696ed86793fee0ad0f000363f0fc351e33bbbf037a9c1b9055b26bdc85f1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5137",
    "kind": "arxiv",
    "version": 1
  }
}