Pith Number

pith:SOVUUBKM

pith:2019:SOVUUBKMD5EHPHJTZFE5E65H75

not attested not anchored not stored refs pending

A Constant Factor Approximation for Capacitated Min-Max Tree Cover

Lavina Jain, Nikhil Kumar, Syamantak Das

arxiv:1907.08304 v2 · 2019-07-18 · 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{SOVUUBKMD5EHPHJTZFE5E65H75}

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	2026-07-05T00:25:39.061219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93ab4a054c1f48779d33c949d27ba7ff7feca7f1fda14c7916bfd336ce6cd2ef

Aliases

arxiv: 1907.08304 · arxiv_version: 1907.08304v2 · doi: 10.48550/arxiv.1907.08304 · pith_short_12: SOVUUBKMD5EH · pith_short_16: SOVUUBKMD5EHPHJT · pith_short_8: SOVUUBKM

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/SOVUUBKMD5EHPHJTZFE5E65H75 \
  | 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: 93ab4a054c1f48779d33c949d27ba7ff7feca7f1fda14c7916bfd336ce6cd2ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4364acfe8aa8042db2dd69661fdf1d357cec9763392783f3abc9be253bc7fa3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-07-18T21:59:33Z",
    "title_canon_sha256": "5a51a69016c9ef5ebb6cb8d637db3a8316a9c41895412fbba21c77e583daa96c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08304",
    "kind": "arxiv",
    "version": 2
  }
}