Pith Number

pith:WEIWEZ2W

pith:2012:WEIWEZ2W57UZSVT2HT2BOSU56E

not attested not anchored not stored refs pending

Exact Symbolic-Numeric Computation of Planar Algebraic Curves

Alexander Kobel, Eric Berberich, Michael Sagraloff, Pavel Emeliyanenko

arxiv:1201.1548 v1 · 2012-01-07 · cs.CG · cs.MS · cs.SC · math.AG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WEIWEZ2W57UZSVT2HT2BOSU56E}

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	2026-05-18T04:04:44.502186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b111626756efe999567a3cf4174a9df13f4144b45b4f073d72bc071f5a0d2703

Aliases

arxiv: 1201.1548 · arxiv_version: 1201.1548v1 · doi: 10.48550/arxiv.1201.1548 · pith_short_12: WEIWEZ2W57UZ · pith_short_16: WEIWEZ2W57UZSVT2 · pith_short_8: WEIWEZ2W

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/WEIWEZ2W57UZSVT2HT2BOSU56E \
  | 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: b111626756efe999567a3cf4174a9df13f4144b45b4f073d72bc071f5a0d2703

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20e0451d7a17e745a814aadb5ba0d3e2468893d5cf8a43966d68af3075f1e053",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.SC",
      "math.AG",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2012-01-07T11:57:44Z",
    "title_canon_sha256": "c32e887f88d2f5121ef534cfd3c659e0c787c768eb71f86b77a22a1a82a19e65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1548",
    "kind": "arxiv",
    "version": 1
  }
}