Pith Number

pith:DUFBDARL

pith:2017:DUFBDARLWHOGDUQ3SP4IJBCJXB

not attested not anchored not stored refs pending

On small $n$-uniform hypergraphs with positive discrepancy

Danila Cherkashin, Fedor Petrov

arxiv:1706.05539 v2 · 2017-06-17 · 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{DUFBDARLWHOGDUQ3SP4IJBCJXB}

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	2026-05-17T23:49:33.897907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d0a11822bb1dc61d21b93f8848449b86dff64a00868fa04537e6f8ffbb4cb8d

Aliases

arxiv: 1706.05539 · arxiv_version: 1706.05539v2 · doi: 10.48550/arxiv.1706.05539 · pith_short_12: DUFBDARLWHOG · pith_short_16: DUFBDARLWHOGDUQ3 · pith_short_8: DUFBDARL

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/DUFBDARLWHOGDUQ3SP4IJBCJXB \
  | 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: 1d0a11822bb1dc61d21b93f8848449b86dff64a00868fa04537e6f8ffbb4cb8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eea8d1155c9a9381cdce5c2d9257f862308cba4ca22f727537d7525fa4f80957",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-06-17T14:00:34Z",
    "title_canon_sha256": "9a543904f8b0bce94e2fbdb5de724d51ba7592e22f4d56fea27743c1b3f3240e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05539",
    "kind": "arxiv",
    "version": 2
  }
}