Pith Number

pith:XQ5PJ7TN

pith:2017:XQ5PJ7TNOEDL3QR5J4L3Z757Q2

not attested not anchored not stored refs pending

Eigenvalues of weakly balanced signed graphs and graphs with negative cliques

Ranveer Singh, Ravindra B. Bapat

arxiv:1702.06322 v4 · 2017-02-21 · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQ5PJ7TNOEDL3QR5J4L3Z757Q2}

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	2026-05-18T00:14:34.747730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc3af4fe6d7106bdc23d4f17bcffbf869a17df35b8f91673e4a608eb162ddf89

Aliases

arxiv: 1702.06322 · arxiv_version: 1702.06322v4 · doi: 10.48550/arxiv.1702.06322 · pith_short_12: XQ5PJ7TNOEDL · pith_short_16: XQ5PJ7TNOEDL3QR5 · pith_short_8: XQ5PJ7TN

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/XQ5PJ7TNOEDL3QR5J4L3Z757Q2 \
  | 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: bc3af4fe6d7106bdc23d4f17bcffbf869a17df35b8f91673e4a608eb162ddf89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ff6dcf20778860a6c6e33a3522eee0536a38e53849e755734c377fca1d369b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-02-21T10:45:27Z",
    "title_canon_sha256": "4b1cab6ceadbe7132ad17ff038051894564e522b685f5605f8a1d8e6a308d5be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06322",
    "kind": "arxiv",
    "version": 4
  }
}