Pith Number

pith:WLKNFVWR

pith:2019:WLKNFVWRKN677M4CR3P7UJNS7L

not attested not anchored not stored refs pending

A Note on the Frankl Conjecture

Maysam Maysami Sadr

arxiv:1907.09976 v1 · 2019-07-23 · 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{WLKNFVWRKN677M4CR3P7UJNS7L}

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	2026-05-17T23:39:49.528415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2d4d2d6d1537dffb3828edffa25b2facfe1f49a4a8584f21ebd95758b044499

Aliases

arxiv: 1907.09976 · arxiv_version: 1907.09976v1 · doi: 10.48550/arxiv.1907.09976 · pith_short_12: WLKNFVWRKN67 · pith_short_16: WLKNFVWRKN677M4C · pith_short_8: WLKNFVWR

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/WLKNFVWRKN677M4CR3P7UJNS7L \
  | 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: b2d4d2d6d1537dffb3828edffa25b2facfe1f49a4a8584f21ebd95758b044499

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eda691214f54bdb274b95d1134a0ade03aad5803073acb10c240c3893c301303",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-07-23T16:07:35Z",
    "title_canon_sha256": "c259a1b83974447fa1214b3c17500e1bbba0c00ad9ff11510469dd281c5a8520"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09976",
    "kind": "arxiv",
    "version": 1
  }
}