Pith Number

pith:SDGB6C6A

pith:2014:SDGB6C6AW365UWE3N2H6252CJJ

not attested not anchored not stored refs pending

A lower bound on the entries of the principal eigenvector of a graph

Felix Goldberg

arxiv:1403.1479 v2 · 2014-03-06 · 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{SDGB6C6AW365UWE3N2H6252CJJ}

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	2026-05-18T02:56:51.374181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90cc1f0bc0b6fdda589b6e8fed77424a593a91bd6227d0f619298d0e13474c2f

Aliases

arxiv: 1403.1479 · arxiv_version: 1403.1479v2 · doi: 10.48550/arxiv.1403.1479 · pith_short_12: SDGB6C6AW365 · pith_short_16: SDGB6C6AW365UWE3 · pith_short_8: SDGB6C6A

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/SDGB6C6AW365UWE3N2H6252CJJ \
  | 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: 90cc1f0bc0b6fdda589b6e8fed77424a593a91bd6227d0f619298d0e13474c2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7da521363fc8bbc6a3922213da70fe23251017311b2306efb1de6622fee2a530",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-03-06T16:20:41Z",
    "title_canon_sha256": "e70fe946d8a8970da08cf51adb2bc8d0e55d7a948b105ea107f2bacb18a10b4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1479",
    "kind": "arxiv",
    "version": 2
  }
}