Pith Number

pith:5KET2YOK

pith:2014:5KET2YOKF3QU5ZNXZFKOXJUPRT

not attested not anchored not stored refs pending

Semistable Reduction of a Normal Crossing $\mathbb{Q}$-Divisor

Jorge Mart\'in-Morales

arxiv:1401.3926 v1 · 2014-01-16 · 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{5KET2YOKF3QU5ZNXZFKOXJUPRT}

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	2026-05-18T03:02:06.015497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea893d61ca2ee14ee5b7c954eba68f8cce1e25d1d4a2b5dadaeb143f9b9f3d9e

Aliases

arxiv: 1401.3926 · arxiv_version: 1401.3926v1 · doi: 10.48550/arxiv.1401.3926 · pith_short_12: 5KET2YOKF3QU · pith_short_16: 5KET2YOKF3QU5ZNX · pith_short_8: 5KET2YOK

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/5KET2YOKF3QU5ZNXZFKOXJUPRT \
  | 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: ea893d61ca2ee14ee5b7c954eba68f8cce1e25d1d4a2b5dadaeb143f9b9f3d9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08ed3d01e86c2bee530d502402b87114a26502b427d97bc652ddcce2b49fddf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-01-16T08:24:35Z",
    "title_canon_sha256": "92204a8f898e3ffe8cb3ed9b171fbdaba58682767f26e6a414469e73521931e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3926",
    "kind": "arxiv",
    "version": 1
  }
}