Pith Number

pith:NONCD3VR

pith:2021:NONCD3VR7PXJGKGVUS3DUOLHMZ

not attested not anchored not stored refs pending

Parallel Algorithms for Densest Subgraph Discovery Using Shared Memory Model

Anil Vullikanti, B.D.M. De Zoysa, Indika Perera, M.D.I. Maduranga, Saliya Ekanayake, Y.A.M.M.A. Ali

arxiv:2103.00154 v1 · 2021-02-27 · cs.IR · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NONCD3VR7PXJGKGVUS3DUOLHMZ}

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	2026-07-05T02:19:02.808784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b9a21eeb1fbee9328d5a4b63a3967665467b8ef239972dec11379f532f2815c

Aliases

arxiv: 2103.00154 · arxiv_version: 2103.00154v1 · doi: 10.48550/arxiv.2103.00154 · pith_short_12: NONCD3VR7PXJ · pith_short_16: NONCD3VR7PXJGKGV · pith_short_8: NONCD3VR

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/NONCD3VR7PXJGKGVUS3DUOLHMZ \
  | 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: 6b9a21eeb1fbee9328d5a4b63a3967665467b8ef239972dec11379f532f2815c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1039fa770e571423c91c7b75f13f0a8724f7c219fd7d9e73d83dbc83ae2f4f49",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-02-27T08:07:39Z",
    "title_canon_sha256": "52fe90301bfd15cde0565e58c4596eb25eb6265bff9a4f99e885170f783751a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.00154",
    "kind": "arxiv",
    "version": 1
  }
}