Pith Number

pith:OVCI5S6R

pith:2014:OVCI5S6R3UCFDQ5QTPSPFGBONZ

not attested not anchored not stored refs pending

Quasihomogeneous free divisors with only normal crossings in codimension one

Mathias Schulze, Xia Liao

arxiv:1402.2937 v3 · 2014-02-12 · 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{OVCI5S6R3UCFDQ5QTPSPFGBONZ}

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	2026-05-18T00:02:50.287960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75448ecbd1dd0451c3b09be4f2982e6e6d40d6a76630674d110f80415b668704

Aliases

arxiv: 1402.2937 · arxiv_version: 1402.2937v3 · doi: 10.48550/arxiv.1402.2937 · pith_short_12: OVCI5S6R3UCF · pith_short_16: OVCI5S6R3UCFDQ5Q · pith_short_8: OVCI5S6R

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/OVCI5S6R3UCFDQ5QTPSPFGBONZ \
  | 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: 75448ecbd1dd0451c3b09be4f2982e6e6d40d6a76630674d110f80415b668704

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4009a31e5d378e767fd05a2b1aed01d4edae18ad34310fcaa186e579b1cbbaef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-02-12T19:22:01Z",
    "title_canon_sha256": "3fe1b667b5aa88d08daecf2a7b9854578ffd5dcbf290d1ebbe28bfc2d6372413"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2937",
    "kind": "arxiv",
    "version": 3
  }
}