Pith Number

pith:L5U4P7KK

pith:2023:L5U4P7KKYAEAKTFG4MDNH6WTJG

not attested not anchored not stored refs pending

Effective Whitney Stratification of Real Algebraic Varieties

Anton Leykin, Martin Helmer, Vidit Nanda

arxiv:2307.05427 v4 · 2023-07-11 · 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{L5U4P7KKYAEAKTFG4MDNH6WTJG}

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.

Cited by

1 paper in Pith

Geometric Singularities of Feynman Integrals

Receipt and verification

First computed	2026-07-05T12:03:21.052005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f69c7fd4ac008054ca6e306d3fad349b809ba65c6aaa5b6ce40891abc334f54

Aliases

arxiv: 2307.05427 · arxiv_version: 2307.05427v4 · doi: 10.48550/arxiv.2307.05427 · pith_short_12: L5U4P7KKYAEA · pith_short_16: L5U4P7KKYAEAKTFG · pith_short_8: L5U4P7KK

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/L5U4P7KKYAEAKTFG4MDNH6WTJG \
  | 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: 5f69c7fd4ac008054ca6e306d3fad349b809ba65c6aaa5b6ce40891abc334f54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ccb206472297291f11a544239396a6876f3b078d5d2a99e349412ae6ab0bed8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2023-07-11T16:48:05Z",
    "title_canon_sha256": "00af1b78be60ae9951b65e2ef0763ce9df5d813ea53594b66da62e307f73f351"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.05427",
    "kind": "arxiv",
    "version": 4
  }
}