Pith Number

pith:35LPMBPR

pith:2013:35LPMBPR3DJKNK6ZYWS5JXDHAK

not attested not anchored not stored refs pending

Characterization of ellipsoids through an overdetermined boundary value problem of Monge-Amp\`ere type

Barbara Brandolini, Carlo Nitsch, Cristina Trombetti, Nunzia Gavitone

arxiv:1305.2312 v2 · 2013-05-10 · 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{35LPMBPR3DJKNK6ZYWS5JXDHAK}

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	2026-05-18T03:10:45.782303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df56f605f1d8d2a6abd9c5a5d4dc67029465fed69af41a6f8e136bd2df2fea1c

Aliases

arxiv: 1305.2312 · arxiv_version: 1305.2312v2 · doi: 10.48550/arxiv.1305.2312 · pith_short_12: 35LPMBPR3DJK · pith_short_16: 35LPMBPR3DJKNK6Z · pith_short_8: 35LPMBPR

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/35LPMBPR3DJKNK6ZYWS5JXDHAK \
  | 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: df56f605f1d8d2a6abd9c5a5d4dc67029465fed69af41a6f8e136bd2df2fea1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62bc2b4818b77242f43b91024a175aebf3539676ce558cebabdfcdf99c3fbe71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-05-10T11:28:17Z",
    "title_canon_sha256": "e16cf08061534b3f37cdf36f17c2e423d09039e4cf0e6239cd538b12db066d08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2312",
    "kind": "arxiv",
    "version": 2
  }
}