Pith Number

pith:PFGCDVEY

pith:2010:PFGCDVEYUECLI7T5EUWX5FYNT2

not attested not anchored not stored refs pending

On Column-restricted and Priority Covering Integer Programs

Deeparnab Chakrabarty, Elyot Grant, Jochen Koenemann

arxiv:1003.1507 v1 · 2010-03-07 · 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{PFGCDVEYUECLI7T5EUWX5FYNT2}

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	2026-05-18T02:08:45.204513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

794c21d498a104b47e7d252d7e970d9e925018c12d402770fe0886a83faafece

Aliases

arxiv: 1003.1507 · arxiv_version: 1003.1507v1 · doi: 10.48550/arxiv.1003.1507 · pith_short_12: PFGCDVEYUECL · pith_short_16: PFGCDVEYUECLI7T5 · pith_short_8: PFGCDVEY

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/PFGCDVEYUECLI7T5EUWX5FYNT2 \
  | 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: 794c21d498a104b47e7d252d7e970d9e925018c12d402770fe0886a83faafece

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d4e0e7c12d16ccb7e17f441687356dd5600202bf58585df2916a6b23d43c2a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-03-07T18:08:12Z",
    "title_canon_sha256": "3573804dd95dff59614d8c5ddcc016535aa6d810f24ebfe488d1d5611b3465c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1507",
    "kind": "arxiv",
    "version": 1
  }
}