Pith Number

pith:H4H5AWLZ

pith:2015:H4H5AWLZZ5RTS5USXW6XS7XV73

not attested not anchored not stored refs pending

On prefixal factorizations of words

Aldo de Luca, Luca Q. Zamboni

arxiv:1505.02309 v1 · 2015-05-09 · 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{H4H5AWLZZ5RTS5USXW6XS7XV73}

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	2026-05-18T02:16:19.240238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f0fd05979cf63397692bdbd797ef5feff780679f29e65685da6f9d7b610512a

Aliases

arxiv: 1505.02309 · arxiv_version: 1505.02309v1 · doi: 10.48550/arxiv.1505.02309 · pith_short_12: H4H5AWLZZ5RT · pith_short_16: H4H5AWLZZ5RTS5US · pith_short_8: H4H5AWLZ

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/H4H5AWLZZ5RTS5USXW6XS7XV73 \
  | 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: 3f0fd05979cf63397692bdbd797ef5feff780679f29e65685da6f9d7b610512a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da0e0b479a55a47cdba4519f670e4f3301ab23e64e1699ee06db6e471948e470",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-05-09T20:00:16Z",
    "title_canon_sha256": "fc835a788929536f6af50f40774cf03f5710f8789c0220a292fed4e6748e92f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02309",
    "kind": "arxiv",
    "version": 1
  }
}