Pith Number

pith:IZLFFS2L

pith:2018:IZLFFS2LIDOCIWGAVOEESCP35U

not attested not anchored not stored refs pending

On the Milnor fiber boundary of a quasi-ordinary surface

Gary Kennedy, Lee McEwan

arxiv:1811.01007 v2 · 2018-11-02 · 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{IZLFFS2LIDOCIWGAVOEESCP35U}

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	2026-05-17T23:43:17.285966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

465652cb4b40dc2458c0ab884909fbed0b8a9e7781e35f4445f7cf4018f53ef5

Aliases

arxiv: 1811.01007 · arxiv_version: 1811.01007v2 · doi: 10.48550/arxiv.1811.01007 · pith_short_12: IZLFFS2LIDOC · pith_short_16: IZLFFS2LIDOCIWGA · pith_short_8: IZLFFS2L

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/IZLFFS2LIDOCIWGAVOEESCP35U \
  | 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: 465652cb4b40dc2458c0ab884909fbed0b8a9e7781e35f4445f7cf4018f53ef5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed9485a097f231c679a557ffc0e866437f371a806bea7265cd390a4c5df2ac5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-11-02T17:44:01Z",
    "title_canon_sha256": "a0ad5a53067d13228b074bc46b9a58bbf5c3bdc9f1166e60a41944bac441f60a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01007",
    "kind": "arxiv",
    "version": 2
  }
}