Pith Number

pith:KRIXF2T2

pith:2008:KRIXF2T2JBHSCF7HTKI5HIJ5KJ

not attested not anchored not stored refs pending

A new characteristic property of rich words

Alessandro De Luca, Amy Glen, Luca Q. Zamboni, Michelangelo Bucci

arxiv:0807.2303 v1 · 2008-07-15 · math.CO · 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{KRIXF2T2JBHSCF7HTKI5HIJ5KJ}

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	2026-07-04T17:23:16.379010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

545172ea7a484f2117e79a91d3a13d5255e31a6a99dcc934b931aa4958709919

Aliases

arxiv: 0807.2303 · arxiv_version: 0807.2303v1 · doi: 10.48550/arxiv.0807.2303 · pith_short_12: KRIXF2T2JBHS · pith_short_16: KRIXF2T2JBHSCF7H · pith_short_8: KRIXF2T2

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/KRIXF2T2JBHSCF7HTKI5HIJ5KJ \
  | 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: 545172ea7a484f2117e79a91d3a13d5255e31a6a99dcc934b931aa4958709919

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78c060a4d6a4b25d92a5de1fe0ffbe70fd9eb65f74a5cddda3be6f50e65d6284",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2008-07-15T05:11:39Z",
    "title_canon_sha256": "ecca7b52e9a1edef96c2c819a63d69e2dad6f158a425c74ba1a1ae8c9b16eb76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2303",
    "kind": "arxiv",
    "version": 1
  }
}