Pith Number

pith:R35CESI5

pith:2017:R35CESI56KVHVY6X6QM7CEQ54R

not attested not anchored not stored refs pending

The Muffin Problem

Daniel Smolyak, Erik Metz, Guangiqi Cui, Jacob Prinz, John Dickerson, Naveen Durvasula, Naveen Raman, Sung Hyun Yoo, William Gasarch

arxiv:1709.02452 v6 · 2017-09-07 · 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{R35CESI56KVHVY6X6QM7CEQ54R}

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	2026-05-17T23:40:43.881490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8efa22491df2aa7ae3d7f419f1121de44cea7cc0b56fe64d041a9e3f1bd8515e

Aliases

arxiv: 1709.02452 · arxiv_version: 1709.02452v6 · doi: 10.48550/arxiv.1709.02452 · pith_short_12: R35CESI56KVH · pith_short_16: R35CESI56KVHVY6X · pith_short_8: R35CESI5

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/R35CESI56KVHVY6X6QM7CEQ54R \
  | 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: 8efa22491df2aa7ae3d7f419f1121de44cea7cc0b56fe64d041a9e3f1bd8515e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "140afd334262c45481479507da0a20c5f5dd11b90304750dc5adc55bb9bc5f65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-09-07T21:04:42Z",
    "title_canon_sha256": "86d99b95878f52b9751450a7b5760ab29a3b1cdd55868be729adf192bfe69bff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02452",
    "kind": "arxiv",
    "version": 6
  }
}