Pith Number

pith:GXCBJOMR

pith:2011:GXCBJOMRWNXMCPBQTHZSBUVW6L

not attested not anchored not stored refs pending

Auspicious tatami mat arrangements

Alejandro Erickson, Frank Ruskey, Jennifer Woodcock, Mark Schurch

arxiv:1103.3309 v1 · 2011-03-16 · 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{GXCBJOMRWNXMCPBQTHZSBUVW6L}

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	2026-05-18T02:22:18.655563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35c414b991b36ec13c3099f320d2b6f2c095adde9838bf3dad21db265a7e565b

Aliases

arxiv: 1103.3309 · arxiv_version: 1103.3309v1 · doi: 10.48550/arxiv.1103.3309 · pith_short_12: GXCBJOMRWNXM · pith_short_16: GXCBJOMRWNXMCPBQ · pith_short_8: GXCBJOMR

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/GXCBJOMRWNXMCPBQTHZSBUVW6L \
  | 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: 35c414b991b36ec13c3099f320d2b6f2c095adde9838bf3dad21db265a7e565b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1487dccb50975e564c0b5c5e83fcb99e557af06f1394f360523f59a11cf3f309",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-03-16T22:15:29Z",
    "title_canon_sha256": "6e7e453fa8635561ff903f6a26bc36eb20ed9c90cfbed4c96e14db257b7c9c89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3309",
    "kind": "arxiv",
    "version": 1
  }
}