Pith Number

pith:BNT6YOHE

pith:2019:BNT6YOHELR64D7HRMWPIGVLWMX

not attested not anchored not stored refs pending

On the spectral radii of the unicyclic hypergraphs with fixed matching number

Chao Yan, Guanglong Yu, Hailiang Zhang, Yarong Wu

arxiv:1906.10614 v1 · 2019-06-25 · 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{BNT6YOHELR64D7HRMWPIGVLWMX}

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	2026-05-17T23:42:15.796667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b67ec38e45c7dc1fcf1659e83557665f9ecdccfef4ca3e97364bff5d04ec9cb

Aliases

arxiv: 1906.10614 · arxiv_version: 1906.10614v1 · doi: 10.48550/arxiv.1906.10614 · pith_short_12: BNT6YOHELR64 · pith_short_16: BNT6YOHELR64D7HR · pith_short_8: BNT6YOHE

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/BNT6YOHELR64D7HRMWPIGVLWMX \
  | 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: 0b67ec38e45c7dc1fcf1659e83557665f9ecdccfef4ca3e97364bff5d04ec9cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7ad9d254e9802c98831a919e47f55d94ee64755bf479f947ef761211b69db32",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-06-25T15:45:29Z",
    "title_canon_sha256": "1baa1180b3ff8f343effae8d30511123a4248b8e39f3f329318459407fee530f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10614",
    "kind": "arxiv",
    "version": 1
  }
}