Pith Number

pith:KGE2ZDVQ

pith:2016:KGE2ZDVQI7TPRMJKUUOMG7BMSE

not attested not anchored not stored refs pending

Zariski-van Kampen theorems for singular varieties --- an approach via the relative monodromy variation

Christophe Eyral, Peter Petrov

arxiv:1609.01427 v1 · 2016-09-06 · 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{KGE2ZDVQI7TPRMJKUUOMG7BMSE}

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	2026-05-18T01:05:39.630152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5189ac8eb047e6f8b12aa51cc37c2c911d30d6d10022edd63cb20989b7f98d91

Aliases

arxiv: 1609.01427 · arxiv_version: 1609.01427v1 · doi: 10.48550/arxiv.1609.01427 · pith_short_12: KGE2ZDVQI7TP · pith_short_16: KGE2ZDVQI7TPRMJK · pith_short_8: KGE2ZDVQ

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/KGE2ZDVQI7TPRMJKUUOMG7BMSE \
  | 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: 5189ac8eb047e6f8b12aa51cc37c2c911d30d6d10022edd63cb20989b7f98d91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcfa43fcd9664eb1853f530f48c748b0d7d0aa29508cd8fa74f418c257225164",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-09-06T08:14:10Z",
    "title_canon_sha256": "bbf90b698ed43d0a64a38e2a8d286bc30fd8c214859aed52eab631176c9f248e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01427",
    "kind": "arxiv",
    "version": 1
  }
}