Pith Number

pith:USM43EVQ

pith:2017:USM43EVQTXDTY6Z42SATYL72US

not attested not anchored not stored refs pending

Monotonicity and symmetry of nonnegative solutions to $ -\Delta u=f(u) $ in half-planes and strips

Alberto Farina, Berardino Sciunzi

arxiv:1701.04720 v1 · 2017-01-17 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USM43EVQTXDTY6Z42SATYL72US}

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	2026-05-18T00:51:01.781360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a499cd92b09dc73c7b3cd4813c2ffaa4a72d0c321c32870f131738a1d2aa49f5

Aliases

arxiv: 1701.04720 · arxiv_version: 1701.04720v1 · doi: 10.48550/arxiv.1701.04720 · pith_short_12: USM43EVQTXDT · pith_short_16: USM43EVQTXDTY6Z4 · pith_short_8: USM43EVQ

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/USM43EVQTXDTY6Z42SATYL72US \
  | 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: a499cd92b09dc73c7b3cd4813c2ffaa4a72d0c321c32870f131738a1d2aa49f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e710d8dddd8fa91d409642a1635cd466cb3e5a5f8079156526f1ae1d32d98ac6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-01-17T15:15:48Z",
    "title_canon_sha256": "3bd3f83e505b93c1f5d1826f1f590fe753f6b56fb41e59293c8903cd769fa726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04720",
    "kind": "arxiv",
    "version": 1
  }
}