Pith Number

pith:JRZXFQXP

pith:2010:JRZXFQXPDIJJ7D4AHMCO5GAZZD

not attested not anchored not stored refs pending

Six Little Squares and How Their Numbers Grow

Matthias Beck, Thomas Zaslavsky

arxiv:1004.0282 v2 · 2010-04-02 · 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{JRZXFQXPDIJJ7D4AHMCO5GAZZD}

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	2026-05-18T01:02:14.551177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c7372c2ef1a129f8f803b04ee9819c8ff639e248e33556ce204a7e1b52e4b3a

Aliases

arxiv: 1004.0282 · arxiv_version: 1004.0282v2 · doi: 10.48550/arxiv.1004.0282 · pith_short_12: JRZXFQXPDIJJ · pith_short_16: JRZXFQXPDIJJ7D4A · pith_short_8: JRZXFQXP

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/JRZXFQXPDIJJ7D4AHMCO5GAZZD \
  | 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: 4c7372c2ef1a129f8f803b04ee9819c8ff639e248e33556ce204a7e1b52e4b3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dd8f1e7471cfe534ee590a39938e2c4e953b31d9c6de6d993bbac9478bc51c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-04-02T04:23:10Z",
    "title_canon_sha256": "7f3517278bc7f7fbed93c81982bdb1818823bc5e58733c53b9182e22633c5706"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0282",
    "kind": "arxiv",
    "version": 2
  }
}