Pith Number

pith:YBKKQH6I

pith:2014:YBKKQH6IMQKE2EQOLO4NRZGY2D

not attested not anchored not stored refs pending

Bounds on the Number of Edges in Hypertrees

Gyula Y. Katona, P\'eter G. N. Szab\'o

arxiv:1404.6430 v1 · 2014-04-25 · 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{YBKKQH6IMQKE2EQOLO4NRZGY2D}

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	2026-05-18T00:36:41.781659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c054a81fc864144d120e5bb8d8e4d8d0d014b2a9bbc38699806a1ec6d2cd426e

Aliases

arxiv: 1404.6430 · arxiv_version: 1404.6430v1 · doi: 10.48550/arxiv.1404.6430 · pith_short_12: YBKKQH6IMQKE · pith_short_16: YBKKQH6IMQKE2EQO · pith_short_8: YBKKQH6I

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/YBKKQH6IMQKE2EQOLO4NRZGY2D \
  | 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: c054a81fc864144d120e5bb8d8e4d8d0d014b2a9bbc38699806a1ec6d2cd426e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9e5862daa9778a6610acdc5ef3ba4687abecd209d8f51fcb35a26c715bbb66c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-04-25T14:25:47Z",
    "title_canon_sha256": "0cc008d7ffc0d8b06444036bc620694f8024c0cb6d76baef23a2f114559ed7c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6430",
    "kind": "arxiv",
    "version": 1
  }
}