Pith Number

pith:5BRZLVAF

pith:2002:5BRZLVAFMD7N5XG2DICZLUNFY4

not attested not anchored not stored refs pending

A Network-Flow Technique for Finding Low-Weight Bounded-Degree Spanning Trees

B. Raghavachari, M. Klemmstein, Neal E. Young, S. Fekete, S. Khuller

arxiv:cs/0205050 v1 · 2002-05-18 · cs.DS · 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{5BRZLVAFMD7N5XG2DICZLUNFY4}

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	2026-05-18T01:59:53.883858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e86395d40560fededcda1a0595d1a5c73b409a895d156e094a0c7b41e737c96f

Aliases

arxiv: cs/0205050 · arxiv_version: cs/0205050v1 · doi: 10.48550/arxiv.cs/0205050 · pith_short_12: 5BRZLVAFMD7N · pith_short_16: 5BRZLVAFMD7N5XG2 · pith_short_8: 5BRZLVAF

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/5BRZLVAFMD7N5XG2DICZLUNFY4 \
  | 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: e86395d40560fededcda1a0595d1a5c73b409a895d156e094a0c7b41e737c96f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42288febf3becfefab7bf697de4309d2bc1f299aa2bf2a4d6ad078f06c732d01",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "",
    "primary_cat": "cs.DS",
    "submitted_at": "2002-05-18T19:25:25Z",
    "title_canon_sha256": "9ceae86f5b6af93bba61e23af3167159e26deafaf3832403049445d8efa5d807"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0205050",
    "kind": "arxiv",
    "version": 1
  }
}