Pith Number

pith:5GZHELDR

pith:2011:5GZHELDRHMWYRVIWFRUBN5436L

not attested not anchored not stored refs pending

Binary words avoiding a pattern and marked succession rule

Donatella Merlini, Elisa Pergola, Renzo Pinzani, Stefano Bilotta

arxiv:1103.5689 v1 · 2011-03-29 · 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{5GZHELDRHMWYRVIWFRUBN5436L}

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	2026-05-18T04:25:29.063508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9b2722c713b2d88d5162c6816f79bf2e2c7aa74cc856f021d899c85afdbfd60

Aliases

arxiv: 1103.5689 · arxiv_version: 1103.5689v1 · doi: 10.48550/arxiv.1103.5689 · pith_short_12: 5GZHELDRHMWY · pith_short_16: 5GZHELDRHMWYRVIW · pith_short_8: 5GZHELDR

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/5GZHELDRHMWYRVIWFRUBN5436L \
  | 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: e9b2722c713b2d88d5162c6816f79bf2e2c7aa74cc856f021d899c85afdbfd60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ee717e862a719f091ad15edab1dcbb456dc9179dbb7cd063071a1bf5c3f9395",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-03-29T15:49:14Z",
    "title_canon_sha256": "94b5645bc0c71e25560ea3d6157379eaef5d73fefd15f3d6f65790bfa27ea050"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5689",
    "kind": "arxiv",
    "version": 1
  }
}