Pith Number

pith:B4MDAGPF

pith:2018:B4MDAGPFHETRXGDJL4I4B3XZMF

not attested not anchored not stored refs pending

Symmetries and similarities of planar algebraic curves using harmonic polynomials

Jan Vr\v{s}ek, Juan Gerardo Alc\'azar, Miroslav L\'avi\v{c}ka

arxiv:1801.09962 v1 · 2018-01-30 · math.AG · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4MDAGPFHETRXGDJL4I4B3XZMF}

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	2026-05-18T00:24:46.279488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f183019e539271b98695f11c0eef9616a2a1379a40b74b9abbeb6a82453a63e

Aliases

arxiv: 1801.09962 · arxiv_version: 1801.09962v1 · doi: 10.48550/arxiv.1801.09962 · pith_short_12: B4MDAGPFHETR · pith_short_16: B4MDAGPFHETRXGDJ · pith_short_8: B4MDAGPF

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/B4MDAGPFHETRXGDJL4I4B3XZMF \
  | 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: 0f183019e539271b98695f11c0eef9616a2a1379a40b74b9abbeb6a82453a63e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1462c4fad5c92b56e28fff7ff3af180d5e363e09d198ff50fa5cd09fd90a682",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-01-30T12:44:39Z",
    "title_canon_sha256": "845f17405b8e34c67e1b681bf5d1b3a919a5a21de9a27c2244cd094286122c66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09962",
    "kind": "arxiv",
    "version": 1
  }
}