Pith Number

pith:7MCI5TOI

pith:2014:7MCI5TOIVPXJNGQPD3HIMKJNCL

not attested not anchored not stored refs pending

Nearly Linear-Work Algorithms for Mixed Packing/Covering and Facility-Location Linear Programs

Neal E. Young

arxiv:1407.3015 v3 · 2014-07-11 · 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{7MCI5TOIVPXJNGQPD3HIMKJNCL}

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	2026-05-18T02:38:36.745746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb048ecdc8abee969a0f1ece86292d12c4a7a725b4e608701075531855d1bbb1

Aliases

arxiv: 1407.3015 · arxiv_version: 1407.3015v3 · doi: 10.48550/arxiv.1407.3015 · pith_short_12: 7MCI5TOIVPXJ · pith_short_16: 7MCI5TOIVPXJNGQP · pith_short_8: 7MCI5TOI

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/7MCI5TOIVPXJNGQPD3HIMKJNCL \
  | 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: fb048ecdc8abee969a0f1ece86292d12c4a7a725b4e608701075531855d1bbb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14d74dd95390880c6585b9b0000218c4cbf40176d8c1ab314f3e74563623e3fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-07-11T03:17:57Z",
    "title_canon_sha256": "de85b55c34e0be9aa086eea11e359e72ea95748de1e6bf8fb305bbba0837d924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3015",
    "kind": "arxiv",
    "version": 3
  }
}