Pith Number

pith:47U4QABV

pith:2017:47U4QABVKFLSKKD6T7ZT7LLLT3

not attested not anchored not stored refs pending

Packing Cycles Faster Than Erd\H{o}s-P\'osa

Amer E. Mouawad, Daniel Lokshtanov, Meirav Zehavi, Saket Saurabh

arxiv:1707.01037 v1 · 2017-07-04 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47U4QABVKFLSKKD6T7ZT7LLLT3}

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	2026-05-18T00:40:56.329380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7e9c80035515725287e9ff33fad6b9edfaf784098172c352e8569bc4284335a

Aliases

arxiv: 1707.01037 · arxiv_version: 1707.01037v1 · doi: 10.48550/arxiv.1707.01037 · pith_short_12: 47U4QABVKFLS · pith_short_16: 47U4QABVKFLSKKD6 · pith_short_8: 47U4QABV

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/47U4QABVKFLSKKD6T7ZT7LLLT3 \
  | 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: e7e9c80035515725287e9ff33fad6b9edfaf784098172c352e8569bc4284335a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d901b2e7dbf82c64d87e49f611b1d2d5f5f7d7ddee20a1ea52d8890edc561c4",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-07-04T15:29:17Z",
    "title_canon_sha256": "ff8e58c7ec4b9361960a75e04f7e5ad0d8ab15caa5e9e62226c24d8a2032269e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01037",
    "kind": "arxiv",
    "version": 1
  }
}