Pith Number

pith:AMET4KLE

pith:2014:AMET4KLEI44KQGZ2EVG6VDCEUN

not attested not anchored not stored refs pending

Spectral radius and traceability of connected claw-free graphs

Binlong Li, Bo Ning

arxiv:1406.5404 v4 · 2014-06-20 · 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{AMET4KLEI44KQGZ2EVG6VDCEUN}

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	2026-05-18T00:54:58.365584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03093e29644738a81b3a254dea8c44a37d29a2b394c543a5e58226fa7aa5a764

Aliases

arxiv: 1406.5404 · arxiv_version: 1406.5404v4 · doi: 10.48550/arxiv.1406.5404 · pith_short_12: AMET4KLEI44K · pith_short_16: AMET4KLEI44KQGZ2 · pith_short_8: AMET4KLE

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/AMET4KLEI44KQGZ2EVG6VDCEUN \
  | 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: 03093e29644738a81b3a254dea8c44a37d29a2b394c543a5e58226fa7aa5a764

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50f3225e6decc8a2b5889829c9366682e5648fb231c9b399c08efc2950442434",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-20T14:34:28Z",
    "title_canon_sha256": "c59dcef4e35b1b118a59ef9382773efbc4af39a57de0db8e318d7df8e8e5d12c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5404",
    "kind": "arxiv",
    "version": 4
  }
}