Pith Number

pith:6CT2RNBH

pith:2014:6CT2RNBH2ORSO7VWKWW74KZCU3

not attested not anchored not stored refs pending

Tur\'an's Problem for Trees

Lin-Lin Wang, Zhi-Hong Sun

arxiv:1410.7213 v1 · 2014-10-27 · 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{6CT2RNBH2ORSO7VWKWW74KZCU3}

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	2026-05-18T02:39:17.798994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0a7a8b427d3a3277eb655adfe2b22a6d63d002a0cf26b75e1785a083e7f0d8f

Aliases

arxiv: 1410.7213 · arxiv_version: 1410.7213v1 · doi: 10.48550/arxiv.1410.7213 · pith_short_12: 6CT2RNBH2ORS · pith_short_16: 6CT2RNBH2ORSO7VW · pith_short_8: 6CT2RNBH

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/6CT2RNBH2ORSO7VWKWW74KZCU3 \
  | 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: f0a7a8b427d3a3277eb655adfe2b22a6d63d002a0cf26b75e1785a083e7f0d8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b8992b41489093771c2272d90e4007e0381426a897231341f06f2e6191a8884",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-10-27T12:56:19Z",
    "title_canon_sha256": "fb8e1d416e37277d466420e9edcc784c543a724e91a6c413d6c7b1eaaa9a1058"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7213",
    "kind": "arxiv",
    "version": 1
  }
}