Pith Number

pith:W2YQ3KII

pith:2014:W2YQ3KIIOH7HCNJJFSHCS3Z34Y

not attested not anchored not stored refs pending

Bounds and algorithms for limited packings in graphs

Andrei Gagarin, Vadim Zverovich

arxiv:1407.1637 v1 · 2014-07-07 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2YQ3KIIOH7HCNJJFSHCS3Z34Y}

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	2026-05-18T02:48:10.854548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6b10da90871fe7135292c8e296f3be61ba8a7112b3d39555d4795380ea23559

Aliases

arxiv: 1407.1637 · arxiv_version: 1407.1637v1 · doi: 10.48550/arxiv.1407.1637 · pith_short_12: W2YQ3KIIOH7H · pith_short_16: W2YQ3KIIOH7HCNJJ · pith_short_8: W2YQ3KII

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/W2YQ3KIIOH7HCNJJFSHCS3Z34Y \
  | 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: b6b10da90871fe7135292c8e296f3be61ba8a7112b3d39555d4795380ea23559

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6e773fed950594f34fa07851f506f5e5884e3be76d31f9caa1c58ac30ec5dc0",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-07-07T09:24:17Z",
    "title_canon_sha256": "1a8426dabc4bc756c21b27ea5a82eea1ef30253924febc5fb2efee3d5ec3b075"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1637",
    "kind": "arxiv",
    "version": 1
  }
}