Pith Number

pith:JSDCTA2M

pith:2011:JSDCTA2MQZRRLA7TUSIUL4CV3B

not attested not anchored not stored refs pending

Polynomials constant on a hyperplane and CR maps of spheres

Han Peters, Jiri Lebl

arxiv:1105.2343 v2 · 2011-05-12 · math.AG · math.CO · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JSDCTA2MQZRRLA7TUSIUL4CV3B}

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	2026-05-18T03:05:35.918697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c8629834c86631583f3a49145f055d85581db80ff167054891f5c86d120dace

Aliases

arxiv: 1105.2343 · arxiv_version: 1105.2343v2 · doi: 10.48550/arxiv.1105.2343 · pith_short_12: JSDCTA2MQZRR · pith_short_16: JSDCTA2MQZRRLA7T · pith_short_8: JSDCTA2M

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/JSDCTA2MQZRRLA7TUSIUL4CV3B \
  | 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: 4c8629834c86631583f3a49145f055d85581db80ff167054891f5c86d120dace

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0e84a3d438e71978b88fab6d9446ec344b7fa57745dbcce2daa8cb051ca22bf",
    "cross_cats_sorted": [
      "math.CO",
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-05-12T00:31:12Z",
    "title_canon_sha256": "511ac7c7a46d20cadc8c6b7469d61425a1cd5138306e6e74a67ec9f91f2fb67f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2343",
    "kind": "arxiv",
    "version": 2
  }
}