Pith Number

pith:I3V4IWHG

pith:2002:I3V4IWHG7NPPKK3BHXNN4YMR6L

not attested not anchored not stored refs pending

Low-Degree Spanning Trees of Small Weight

Balaji Raghavachari, Neal E. Young, Samir Khuller

arxiv:cs/0205043 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{I3V4IWHG7NPPKK3BHXNN4YMR6L}

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	2026-05-18T01:59:53.928234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46ebc458e6fb5ef52b613ddade6191f2cc3c7183a6583938c46843b7d5fc100c

Aliases

arxiv: cs/0205043 · arxiv_version: cs/0205043v1 · doi: 10.48550/arxiv.cs/0205043 · pith_short_12: I3V4IWHG7NPP · pith_short_16: I3V4IWHG7NPPKK3B · pith_short_8: I3V4IWHG

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/I3V4IWHG7NPPKK3BHXNN4YMR6L \
  | 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: 46ebc458e6fb5ef52b613ddade6191f2cc3c7183a6583938c46843b7d5fc100c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "958285cccea17c573544a5f49a9a6ab46737b51baf1e3e08948b46a1d61cde0b",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "",
    "primary_cat": "cs.DS",
    "submitted_at": "2002-05-18T16:37:28Z",
    "title_canon_sha256": "4cd777e9f0365c4fbffaf89653808b8ffb388f3057e808d56a00e4d311d38280"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0205043",
    "kind": "arxiv",
    "version": 1
  }
}