Pith Number

pith:M6VEOFZ3

pith:2016:M6VEOFZ3FNASNAID2TTOEMMM56

not attested not anchored not stored refs pending

Spectral Theory of Unsigned and Signed Graphs. Applications to Graph Clustering: a Survey

Jean Gallier

arxiv:1601.04692 v1 · 2016-01-18 · cs.LG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M6VEOFZ3FNASNAID2TTOEMMM56}

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.

Cited by

1 paper in Pith

Open problems in the spectral theory of signed graphs

Receipt and verification

First computed	2026-05-18T01:22:44.417778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67aa47173b2b41268103d4e6e2318cefa85a25a0891ea55d2072066dabea835d

Aliases

arxiv: 1601.04692 · arxiv_version: 1601.04692v1 · doi: 10.48550/arxiv.1601.04692 · pith_short_12: M6VEOFZ3FNAS · pith_short_16: M6VEOFZ3FNASNAID · pith_short_8: M6VEOFZ3

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/M6VEOFZ3FNASNAID2TTOEMMM56 \
  | 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: 67aa47173b2b41268103d4e6e2318cefa85a25a0891ea55d2072066dabea835d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2cd6aae71954dedba4dfbf4adbbc04dc33b3d2e4ec07325e3fd609c6d36fef7",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-01-18T20:57:41Z",
    "title_canon_sha256": "a4dc19d5b7d6072d50475b7e3bd990caa19750bc7582ca4c81a6357e17897fb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04692",
    "kind": "arxiv",
    "version": 1
  }
}