Pith Number

pith:QQFMJZQJ

pith:2019:QQFMJZQJWCNT5KSAFGUT4HW3VO

not attested not anchored not stored refs pending

Targeted sampling from massive block model graphs with personalized PageRank

Fan Chen, Karl Rohe, Yini Zhang

arxiv:1910.12937 v2 · 2019-10-04 · cs.SI · cs.CC · cs.DL · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQFMJZQJWCNT5KSAFGUT4HW3VO}

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	2026-07-05T01:15:23.253521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

840ac4e609b09b3eaa4029a93e1edbab88aa0190f1da101b9371a81e452a4489

Aliases

arxiv: 1910.12937 · arxiv_version: 1910.12937v2 · doi: 10.48550/arxiv.1910.12937 · pith_short_12: QQFMJZQJWCNT · pith_short_16: QQFMJZQJWCNT5KSA · pith_short_8: QQFMJZQJ

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/QQFMJZQJWCNT5KSAFGUT4HW3VO \
  | 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: 840ac4e609b09b3eaa4029a93e1edbab88aa0190f1da101b9371a81e452a4489

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b618420a7944824b212aaf2e0f437a4afaec75e2ae634e21c29986d466639d4e",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DL",
      "stat.ME",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-10-04T01:48:57Z",
    "title_canon_sha256": "26630dd7eb9de1c48ba61019d6f3b5afcf1b63eb30c20e9d63a8a368e3039c59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.12937",
    "kind": "arxiv",
    "version": 2
  }
}