Pith Number

pith:2EGGFF4V

pith:2015:2EGGFF4VBPAKHCTY4LH5GMNVNC

not attested not anchored not stored refs pending

Computing Heat Kernel Pagerank and a Local Clustering Algorithm

Fan Chung, Olivia Simpson

arxiv:1503.03155 v3 · 2015-03-11 · 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{2EGGFF4VBPAKHCTY4LH5GMNVNC}

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	2026-05-18T00:54:58.277665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d10c6297950bc0a38a78e2cfd331b568a8f0b5a52da96b7ebc45ca6d7e8485e4

Aliases

arxiv: 1503.03155 · arxiv_version: 1503.03155v3 · doi: 10.48550/arxiv.1503.03155 · pith_short_12: 2EGGFF4VBPAK · pith_short_16: 2EGGFF4VBPAKHCTY · pith_short_8: 2EGGFF4V

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/2EGGFF4VBPAKHCTY4LH5GMNVNC \
  | 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: d10c6297950bc0a38a78e2cfd331b568a8f0b5a52da96b7ebc45ca6d7e8485e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdbc0dfa83ef5acf834a6ca89d028736522dc29a4d4ed285b8b63dabfb440f65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-03-11T02:47:50Z",
    "title_canon_sha256": "b7a848ccd672dafabfe2f2c1b0c97ca3f8dab4025e2a5da13daec241b223e678"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03155",
    "kind": "arxiv",
    "version": 3
  }
}