Pith Number

pith:AHX3NQOV

pith:2019:AHX3NQOVRSEIWR4MC3ATUODHSJ

not attested not anchored not stored refs pending

Faster width-dependent algorithm for mixed packing and covering LPs

Digvijay Boob, Di Wang, Saurabh Sawlani

arxiv:1909.12387 v1 · 2019-09-26 · math.OC · cs.DS · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AHX3NQOVRSEIWR4MC3ATUODHSJ}

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	2026-07-05T00:11:36.847626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01efb6c1d58c888b478c16c13a3867927598a62c42a693e120da11b7eded2a33

Aliases

arxiv: 1909.12387 · arxiv_version: 1909.12387v1 · doi: 10.48550/arxiv.1909.12387 · pith_short_12: AHX3NQOVRSEI · pith_short_16: AHX3NQOVRSEIWR4M · pith_short_8: AHX3NQOV

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/AHX3NQOVRSEIWR4MC3ATUODHSJ \
  | 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: 01efb6c1d58c888b478c16c13a3867927598a62c42a693e120da11b7eded2a33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "185dc55beeb1a3862856d796cea54898c0fd844de7149888c454c54ac8bbfa69",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-09-26T21:02:51Z",
    "title_canon_sha256": "ed38f22a2ba3334d81e05b0efee8cf4a6abb3b5e833715cbe607e6e49b538fe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.12387",
    "kind": "arxiv",
    "version": 1
  }
}