Pith Number

pith:OE2BK47H

pith:2012:OE2BK47H5O5DIRWK3MBYJ2JCRP

not attested not anchored not stored refs pending

Kummer covers and braid monodromy

Enrique Artal Bartolo, Jorge Ortigas-Galindo, Jose I. Cogolludo-Agustin

arxiv:1205.5427 v2 · 2012-05-24 · math.AG · math.GR · 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{OE2BK47H5O5DIRWK3MBYJ2JCRP}

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	2026-05-18T00:16:57.088880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71341573e7ebba3446cadb0384e9228bcdcd331d4d2814c772ec8d90f6535492

Aliases

arxiv: 1205.5427 · arxiv_version: 1205.5427v2 · doi: 10.48550/arxiv.1205.5427 · pith_short_12: OE2BK47H5O5D · pith_short_16: OE2BK47H5O5DIRWK · pith_short_8: OE2BK47H

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/OE2BK47H5O5DIRWK3MBYJ2JCRP \
  | 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: 71341573e7ebba3446cadb0384e9228bcdcd331d4d2814c772ec8d90f6535492

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa546435e5e29929f27e9031b8ac9da1352a4fb73119ff77588a81e7c740308c",
    "cross_cats_sorted": [
      "math.GR",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-05-24T13:03:16Z",
    "title_canon_sha256": "9a9cae1051bfc59baa7c5cbcbe1d8e3486f7e12f2b357b92f3faaa9840dc038b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5427",
    "kind": "arxiv",
    "version": 2
  }
}