Pith Number

pith:YUCRDLGC

pith:2013:YUCRDLGC53FFI2SB25NI6G2FTD

not attested not anchored not stored refs pending

Edge covering with budget constrains

G. Kortsarz, Rajiv Gandhi

arxiv:1311.0713 v1 · 2013-11-04 · 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{YUCRDLGC53FFI2SB25NI6G2FTD}

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	2026-05-18T03:08:05.071520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c50511acc2eeca546a41d75a8f1b4598e83946b02bd2114959793f945cdba56a

Aliases

arxiv: 1311.0713 · arxiv_version: 1311.0713v1 · doi: 10.48550/arxiv.1311.0713 · pith_short_12: YUCRDLGC53FF · pith_short_16: YUCRDLGC53FFI2SB · pith_short_8: YUCRDLGC

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/YUCRDLGC53FFI2SB25NI6G2FTD \
  | 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: c50511acc2eeca546a41d75a8f1b4598e83946b02bd2114959793f945cdba56a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82443dafabe596dd646e9e36271796fb735ea99bbf7f2bc7a9ca4fb4c18be509",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-11-04T14:36:54Z",
    "title_canon_sha256": "832ac2323404ed96fbcd6efa31902a557984a3a00bdf1016fdc7ff3281e21abf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0713",
    "kind": "arxiv",
    "version": 1
  }
}