Pith Number

pith:HZKELSFZ

pith:2020:HZKELSFZHQ4O5HNMSATW4U7EU7

not attested not anchored not stored refs pending

Epsilon local rigidity and numerical algebraic geometry

Alexander Heaton, Andrew Frohmader

arxiv:2002.06154 v2 · 2020-02-14 · math.MG · 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{HZKELSFZHQ4O5HNMSATW4U7EU7}

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	2026-07-05T01:40:24.060972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e5445c8b93c38ee9dac90276e53e4a7efd758c94ebd74374d9aed1671390480

Aliases

arxiv: 2002.06154 · arxiv_version: 2002.06154v2 · doi: 10.48550/arxiv.2002.06154 · pith_short_12: HZKELSFZHQ4O · pith_short_16: HZKELSFZHQ4O5HNM · pith_short_8: HZKELSFZ

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/HZKELSFZHQ4O5HNMSATW4U7EU7 \
  | 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: 3e5445c8b93c38ee9dac90276e53e4a7efd758c94ebd74374d9aed1671390480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dde0c7da183828c7c8d34be4d35ceaa5c09f63d109faea49f16fa4f0b9cd4b1",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2020-02-14T18:05:19Z",
    "title_canon_sha256": "67df80a4031f6c8123eb36a39c29d53c4db649071e95182cfff427e8a995155e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.06154",
    "kind": "arxiv",
    "version": 2
  }
}