Pith Number

pith:WPJHYVUN

pith:2012:WPJHYVUNLAW3L6QX5ADYIS5N5V

not attested not anchored not stored refs pending

A Computer-Assisted Uniqueness Proof for a Semilinear Elliptic Boundary Value Problem

Dagmar Roth, Filomena Pacella, Michael Plum, Patrick J. McKenna

arxiv:1210.5893 v1 · 2012-10-22 · 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{WPJHYVUNLAW3L6QX5ADYIS5N5V}

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	2026-05-18T03:42:34.751528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3d27c568d582db5fa17e807844baded679d856bc9774a255f666c909f4a941d

Aliases

arxiv: 1210.5893 · arxiv_version: 1210.5893v1 · doi: 10.48550/arxiv.1210.5893 · pith_short_12: WPJHYVUNLAW3 · pith_short_16: WPJHYVUNLAW3L6QX · pith_short_8: WPJHYVUN

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/WPJHYVUNLAW3L6QX5ADYIS5N5V \
  | 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: b3d27c568d582db5fa17e807844baded679d856bc9774a255f666c909f4a941d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2806becd93a78abf32f42a247d843bf8b63179a7e5b60dcac302224d64604b46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-10-22T13:24:59Z",
    "title_canon_sha256": "becc0267221efe98359bae1b992692de644da4f973616f982f9187f622676031"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5893",
    "kind": "arxiv",
    "version": 1
  }
}