Pith Number

pith:3ZWW4CM7

pith:2015:3ZWW4CM7BKJZ5ZRNEZ3F32EOW6

not attested not anchored not stored refs pending

Resolvable h-sun designs

Antoinette Tripodi, Giovanni Lo faro, Mario Gionfriddo, Salvatore Milici

arxiv:1503.01690 v1 · 2015-03-05 · 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{3ZWW4CM7BKJZ5ZRNEZ3F32EOW6}

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	2026-05-18T02:25:33.119336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de6d6e099f0a939ee62d26765de88eb7a3f6bbaa60b8971910e90933917094a4

Aliases

arxiv: 1503.01690 · arxiv_version: 1503.01690v1 · doi: 10.48550/arxiv.1503.01690 · pith_short_12: 3ZWW4CM7BKJZ · pith_short_16: 3ZWW4CM7BKJZ5ZRN · pith_short_8: 3ZWW4CM7

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/3ZWW4CM7BKJZ5ZRNEZ3F32EOW6 \
  | 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: de6d6e099f0a939ee62d26765de88eb7a3f6bbaa60b8971910e90933917094a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e15b1c4d2d314038684fead88812fbcfeefbd477b8fc8d97d375c3a5528f86a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-03-05T17:08:19Z",
    "title_canon_sha256": "3dbdc1a95d8aa20148878d735a1eb19bba7eaed623c184612ea6fc91b0be4fe0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01690",
    "kind": "arxiv",
    "version": 1
  }
}