Pith Number

pith:CPTDXRSY

pith:2013:CPTDXRSYLIBLNAMSLOLSMSZ2TW

not attested not anchored not stored refs pending

Two Reflected Gray Code based orders on some restricted growth sequences

Ahmad Sabri, Vincent Vajnovszki

arxiv:1306.5464 v1 · 2013-06-23 · 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{CPTDXRSYLIBLNAMSLOLSMSZ2TW}

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	2026-05-18T03:20:08.032895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e63bc6585a02b681925b97264b3a9da5b8bc1e31ad3137236df8eba237b970

Aliases

arxiv: 1306.5464 · arxiv_version: 1306.5464v1 · doi: 10.48550/arxiv.1306.5464 · pith_short_12: CPTDXRSYLIBL · pith_short_16: CPTDXRSYLIBLNAMS · pith_short_8: CPTDXRSY

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/CPTDXRSYLIBLNAMSLOLSMSZ2TW \
  | 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: 13e63bc6585a02b681925b97264b3a9da5b8bc1e31ad3137236df8eba237b970

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "790a5f953db5564fc4f24d43d803c9f9c77cd9d0c57f030ea0be2f7fe7f602ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-06-23T19:59:55Z",
    "title_canon_sha256": "cdabcc7d7d1565d91f445dc92656d4162e73ea33cb44eec689f956148701e0b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5464",
    "kind": "arxiv",
    "version": 1
  }
}