Pith Number

pith:75DAGXK6

pith:2017:75DAGXK63GDTOTCMBOFHBVML5N

not attested not anchored not stored refs pending

LCL problems on grids

Christopher Purcell, Janne H. Korhonen, Joel Rybicki, Juho Hirvonen, Jukka Suomela, Patric R. J. \"Osterg{\aa}rd, Przemys{\l}aw Uzna\'nski, Sebastian Brandt, Tuomo Lempi\"ainen

arxiv:1702.05456 v2 · 2017-02-17 · cs.DC · cs.CC · 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{75DAGXK63GDTOTCMBOFHBVML5N}

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	2026-05-18T00:43:45.060817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff46035d5ed987374c4c0b8a70d58beb5cac15e7247dace558a72c473e9701b0

Aliases

arxiv: 1702.05456 · arxiv_version: 1702.05456v2 · doi: 10.48550/arxiv.1702.05456 · pith_short_12: 75DAGXK63GDT · pith_short_16: 75DAGXK63GDTOTCM · pith_short_8: 75DAGXK6

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/75DAGXK63GDTOTCMBOFHBVML5N \
  | 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: ff46035d5ed987374c4c0b8a70d58beb5cac15e7247dace558a72c473e9701b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58a470350983f8ca782e4d42eeac8be0872687212312b1a545b1e37da8092da6",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2017-02-17T17:48:41Z",
    "title_canon_sha256": "0e1299bdf88834411c41ef8848711f43881fc284220d0cc3d273dfa536d06407"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05456",
    "kind": "arxiv",
    "version": 2
  }
}