Pith Number

pith:5DQNO4X6

pith:2014:5DQNO4X6KM27EQHNT4NALWM7WF

not attested not anchored not stored refs pending

On the Zariski-Lipman conjecture for normal algebraic surfaces

Indranil Biswas, R.V. Gurjar, Sagar U. Kolte

arxiv:1403.5613 v1 · 2014-03-22 · 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{5DQNO4X6KM27EQHNT4NALWM7WF}

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	2026-05-18T02:55:49.361814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8e0d772fe5335f240ed9f1a05d99fb150a0adc053409257d9ce10da84ed0663

Aliases

arxiv: 1403.5613 · arxiv_version: 1403.5613v1 · doi: 10.48550/arxiv.1403.5613 · pith_short_12: 5DQNO4X6KM27 · pith_short_16: 5DQNO4X6KM27EQHN · pith_short_8: 5DQNO4X6

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/5DQNO4X6KM27EQHNT4NALWM7WF \
  | 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: e8e0d772fe5335f240ed9f1a05d99fb150a0adc053409257d9ce10da84ed0663

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12393bff520fe521727211b8e1a62c09bf0420bb5ed74e8d30898256bc059e13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-03-22T04:20:10Z",
    "title_canon_sha256": "c438bf5227f02b0a4f26aa89921ae3cd86e4efccb874b3cd2d2617c1635a5c29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5613",
    "kind": "arxiv",
    "version": 1
  }
}