Pith Number

pith:PXMT2EHU

pith:2012:PXMT2EHUGHAGJY7INJ7KFA43PM

not attested not anchored not stored refs pending

Numerical characterization of nef arithmetic divisors on arithmetic surfaces

Atsushi Moriwaki

arxiv:1201.6124 v4 · 2012-01-30 · 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{PXMT2EHUGHAGJY7INJ7KFA43PM}

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	2026-05-18T03:52:38.605962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dd93d10f431c064e3e86a7ea2839b7b165cdfdbbb1ecbab738240878efd8b2e

Aliases

arxiv: 1201.6124 · arxiv_version: 1201.6124v4 · doi: 10.48550/arxiv.1201.6124 · pith_short_12: PXMT2EHUGHAG · pith_short_16: PXMT2EHUGHAGJY7I · pith_short_8: PXMT2EHU

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/PXMT2EHUGHAGJY7INJ7KFA43PM \
  | 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: 7dd93d10f431c064e3e86a7ea2839b7b165cdfdbbb1ecbab738240878efd8b2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b5bcc5576f6686daebe52d703f77580cbfe9819ad20d14f313337219e867f9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-01-30T07:46:36Z",
    "title_canon_sha256": "e1b663daa552777fa8d1c315a831dff6fa7d96194ebe6d1e3b8f1d65d7888250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6124",
    "kind": "arxiv",
    "version": 4
  }
}