Pith Number

pith:LH5RWJDY

pith:2026:LH5RWJDYJDSIK6CFJRME4SKVL2

not attested not anchored not stored refs pending

A note on piercing discrete rectangles

Wei Rao

arxiv:2604.04024 v2 · 2026-04-05 · 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{LH5RWJDYJDSIK6CFJRME4SKVL2}

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	2026-06-08T01:04:03.653789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59fb1b247848e48578454c584e49555ea619d288cdc15cadf632447dbdac7b0a

Aliases

arxiv: 2604.04024 · arxiv_version: 2604.04024v2 · doi: 10.48550/arxiv.2604.04024 · pith_short_12: LH5RWJDYJDSI · pith_short_16: LH5RWJDYJDSIK6CF · pith_short_8: LH5RWJDY

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/LH5RWJDYJDSIK6CFJRME4SKVL2 \
  | 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: 59fb1b247848e48578454c584e49555ea619d288cdc15cadf632447dbdac7b0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aac82031248105f3263347c19f66e9a939df19782c3495595b107c3850a96770",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-04-05T08:45:03Z",
    "title_canon_sha256": "45e0f1b67aec8a67492d1dbb572bdb8ba3213b80fa576b1b91e212dc7d88f502"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.04024",
    "kind": "arxiv",
    "version": 2
  }
}