Pith Number

pith:UKFEWJPX

pith:2014:UKFEWJPXZOROURRDSLQBHWDVWN

not attested not anchored not stored refs pending

Forbidden hypermatrices imply general bounds on induced forbidden subposet problems

Abhishek Methuku, D\"om\"ot\"or P\'alv\"olgyi

arxiv:1408.4093 v2 · 2014-08-18 · 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{UKFEWJPXZOROURRDSLQBHWDVWN}

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	2026-05-18T02:43:08.916145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a28a4b25f7cba2ea462392e013d875b37b290dad674473d087cff9c61dd6538a

Aliases

arxiv: 1408.4093 · arxiv_version: 1408.4093v2 · doi: 10.48550/arxiv.1408.4093 · pith_short_12: UKFEWJPXZORO · pith_short_16: UKFEWJPXZOROURRD · pith_short_8: UKFEWJPX

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/UKFEWJPXZOROURRDSLQBHWDVWN \
  | 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: a28a4b25f7cba2ea462392e013d875b37b290dad674473d087cff9c61dd6538a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce9ed417afbbe398cae5f5dffe77aa03543b0ca350d3743ec2f2b0f15fc1020f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-08-18T18:35:00Z",
    "title_canon_sha256": "9851fea96374ff48ee347df1359eb5ed4f4fb2a16375e23413e7b7e8f1cadec6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4093",
    "kind": "arxiv",
    "version": 2
  }
}