Pith Number

pith:IJK5H2F3

pith:2013:IJK5H2F3IXAKVT4SVBS2476DRI

not attested not anchored not stored refs pending

Minimax solutions for a problem with sign changing nonlinearity and lack of strict convexity

Paola Magrone

arxiv:1310.6862 v1 · 2013-10-25 · 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{IJK5H2F3IXAKVT4SVBS2476DRI}

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	2026-05-18T03:08:57.110334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4255d3e8bb45c0aacf92a865ae7fc38a3cb45cd785c28a622688f53d6e5e575a

Aliases

arxiv: 1310.6862 · arxiv_version: 1310.6862v1 · doi: 10.48550/arxiv.1310.6862 · pith_short_12: IJK5H2F3IXAK · pith_short_16: IJK5H2F3IXAKVT4S · pith_short_8: IJK5H2F3

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/IJK5H2F3IXAKVT4SVBS2476DRI \
  | 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: 4255d3e8bb45c0aacf92a865ae7fc38a3cb45cd785c28a622688f53d6e5e575a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07ba27b5b82c99b01a51525d56c7bb00bcc8fa294829737df2273a5bf73203a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-10-25T09:38:20Z",
    "title_canon_sha256": "c0ebf04118d3d974f1997232803a72466ee3e3ebe534c091eb60d649d7bcd53b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6862",
    "kind": "arxiv",
    "version": 1
  }
}