Pith Number

pith:2CH6FBWN

pith:2018:2CH6FBWN2RFVDAHPWJRMCZWQCJ

not attested not anchored not stored refs pending

Greedy and Local Ratio Algorithms in the MapReduce Model

Christopher Liaw, Nicholas J. A. Harvey, Paul Liu

arxiv:1806.06421 v1 · 2018-06-17 · 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{2CH6FBWN2RFVDAHPWJRMCZWQCJ}

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	2026-05-18T00:13:02.483337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d08fe286cdd44b5180efb262c166d01257574ec735c3729b1fd7cecca6d0278a

Aliases

arxiv: 1806.06421 · arxiv_version: 1806.06421v1 · doi: 10.48550/arxiv.1806.06421 · pith_short_12: 2CH6FBWN2RFV · pith_short_16: 2CH6FBWN2RFVDAHP · pith_short_8: 2CH6FBWN

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/2CH6FBWN2RFVDAHPWJRMCZWQCJ \
  | 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: d08fe286cdd44b5180efb262c166d01257574ec735c3729b1fd7cecca6d0278a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fd43fc447b5f29313cf1873214c1ce90c2f122f11f4f8b2c95a8b0c06541bff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-06-17T17:51:20Z",
    "title_canon_sha256": "aba2ddb5a3e9fc48d73fbe9f1c9fdf924095d413dd99f22424a25b313db0cbd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06421",
    "kind": "arxiv",
    "version": 1
  }
}