Pith Number

pith:LKYPN52E

pith:2018:LKYPN52EBJTMT2CUZSYFUGMONM

not attested not anchored not stored refs pending

A local approach to the Erd\H{o}s-S\'os conjecture

V\'aclav Rozho\v{n}

arxiv:1804.06791 v2 · 2018-04-18 · 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{LKYPN52EBJTMT2CUZSYFUGMONM}

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	2026-05-18T00:02:10.162061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ab0f6f7440a66c9e854ccb05a198e6b100565b2793216351410a10070799810

Aliases

arxiv: 1804.06791 · arxiv_version: 1804.06791v2 · doi: 10.48550/arxiv.1804.06791 · pith_short_12: LKYPN52EBJTM · pith_short_16: LKYPN52EBJTMT2CU · pith_short_8: LKYPN52E

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/LKYPN52EBJTMT2CUZSYFUGMONM \
  | 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: 5ab0f6f7440a66c9e854ccb05a198e6b100565b2793216351410a10070799810

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f5b2fe2ae36e2ea4da42d0347a6735e5ec4ab8b39251115fc0b2a6485043ee3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-18T15:37:25Z",
    "title_canon_sha256": "0a2531e27fed17e05d5a6d6ba4fce386e4835ff4fece707302520fcbf687effa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06791",
    "kind": "arxiv",
    "version": 2
  }
}