Pith Number

pith:TBR6B33N

pith:2019:TBR6B33N23HQWNQZMIPFURLZDO

not attested not anchored not stored refs pending

Erd\"os-P\'osa property of minor-models with prescribed vertex sets

D\'aniel Marx, O-joung Kwon

arxiv:1904.00879 v2 · 2019-04-01 · 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{TBR6B33N23HQWNQZMIPFURLZDO}

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.

Cited by

1 paper in Pith

Colorful Minors

Receipt and verification

First computed	2026-05-17T23:49:20.102774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9863e0ef6dd6cf0b3619621e5a45791b94ac59bb696695d39124ee67ceec6e2f

Aliases

arxiv: 1904.00879 · arxiv_version: 1904.00879v2 · doi: 10.48550/arxiv.1904.00879 · pith_short_12: TBR6B33N23HQ · pith_short_16: TBR6B33N23HQWNQZ · pith_short_8: TBR6B33N

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/TBR6B33N23HQWNQZMIPFURLZDO \
  | 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: 9863e0ef6dd6cf0b3619621e5a45791b94ac59bb696695d39124ee67ceec6e2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88a839a0c00b09a7043db2a11980a21d1b47edeb7479bcc5ee073b118bb6a5c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-04-01T14:23:38Z",
    "title_canon_sha256": "228893fd1bf9bade70a63e65f2a3677a3090d5881f0f5f8f649b077798e7419a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00879",
    "kind": "arxiv",
    "version": 2
  }
}