Pith Number

pith:Y2LWE6US

pith:2013:Y2LWE6US27CSPKE5QF2S6CMRWP

not attested not anchored not stored refs pending

Maximizing the number of nonnegative subsets

Hao Huang, Harout Aydinian, Noga Alon

arxiv:1312.0248 v2 · 2013-12-01 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y2LWE6US27CSPKE5QF2S6CMRWP}

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	2026-05-18T03:00:51.218245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c697627a92d7c527a89d81752f0991b3fb60aa837fd7b65748180353b8cda33d

Aliases

arxiv: 1312.0248 · arxiv_version: 1312.0248v2 · doi: 10.48550/arxiv.1312.0248 · pith_short_12: Y2LWE6US27CS · pith_short_16: Y2LWE6US27CSPKE5 · pith_short_8: Y2LWE6US

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/Y2LWE6US27CSPKE5QF2S6CMRWP \
  | 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: c697627a92d7c527a89d81752f0991b3fb60aa837fd7b65748180353b8cda33d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "956ee2822c953bb67b355b64ec5530605eb691b48777ea8c5c6c5409bb133040",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-12-01T16:51:44Z",
    "title_canon_sha256": "32bcb8c0ca96001fbe4830313c564607da266e2c336788661a509288281a03ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0248",
    "kind": "arxiv",
    "version": 2
  }
}