Pith Number

pith:XIINAXKZ

pith:2018:XIINAXKZIC72HTSXCUPKGHQA6C

not attested not anchored not stored refs pending

On quadratic polynomial mappings from the plane into the $n$ dimensional space

Micha{\l} Farnik, Piotr Migus, Zbigniew Jelonek

arxiv:1803.10984 v1 · 2018-03-29 · 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{XIINAXKZIC72HTSXCUPKGHQA6C}

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	2026-05-18T00:19:49.615472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba10d05d5940bfa3ce57151ea31e00f0833e60b85bdb28d92fc1692072ff5d8e

Aliases

arxiv: 1803.10984 · arxiv_version: 1803.10984v1 · doi: 10.48550/arxiv.1803.10984 · pith_short_12: XIINAXKZIC72 · pith_short_16: XIINAXKZIC72HTSX · pith_short_8: XIINAXKZ

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/XIINAXKZIC72HTSXCUPKGHQA6C \
  | 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: ba10d05d5940bfa3ce57151ea31e00f0833e60b85bdb28d92fc1692072ff5d8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43ccf87ddf2aabb10b0223c624f8a0b39e77b54ea6da34ea9f51c982ecadce7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-03-29T09:41:43Z",
    "title_canon_sha256": "e980098c75b21c3e987a98f8978c1c147ca6be62d1bf5f6468816fde95f18a28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10984",
    "kind": "arxiv",
    "version": 1
  }
}