Pith Number

pith:JMWMWTPW

pith:2009:JMWMWTPWARW4ALHW2PDINT7SU7

not attested not anchored not stored refs pending

The Semigroup of Combinatorial Configurations

Klara Stokes, Maria Bras-Amor\'os

arxiv:0907.4230 v3 · 2009-07-24 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMWMWTPWARW4ALHW2PDINT7SU7}

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	2026-05-18T04:32:43.728129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b2ccb4df6046dc02cf6d3c686cff2a7d09f963a4024ea68b6ced13340c9645a

Aliases

arxiv: 0907.4230 · arxiv_version: 0907.4230v3 · doi: 10.48550/arxiv.0907.4230 · pith_short_12: JMWMWTPWARW4 · pith_short_16: JMWMWTPWARW4ALHW · pith_short_8: JMWMWTPW

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/JMWMWTPWARW4ALHW2PDINT7SU7 \
  | 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: 4b2ccb4df6046dc02cf6d3c686cff2a7d09f963a4024ea68b6ced13340c9645a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7096435693c0e69588c675f3c094b1807f5bfafc8d0adaf6de55a111a5a06cce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2009-07-24T07:05:46Z",
    "title_canon_sha256": "2320e093db7991394029961c5b9bd04c61021aa38daa0fb678602888c35ed8f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4230",
    "kind": "arxiv",
    "version": 3
  }
}