Pith Number

pith:IJK37EWN

pith:2014:IJK37EWNZ4U46BH3EW5K3ZMHSF

not attested not anchored not stored refs pending

Automated Discharging Arguments for Density Problems in Grids

Derrick Stolee

arxiv:1409.5922 v1 · 2014-09-20 · 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{IJK37EWNZ4U46BH3EW5K3ZMHSF}

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.

Cited by

2 papers in Pith

Finding codes on infinite grids automatically

On Iiro Honkala's contributions to identifying codes

Receipt and verification

First computed	2026-05-18T02:42:14.135463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4255bf92cdcf29cf04fb25baade5879144189b8ea12707d854ba62d8368af5af

Aliases

arxiv: 1409.5922 · arxiv_version: 1409.5922v1 · doi: 10.48550/arxiv.1409.5922 · pith_short_12: IJK37EWNZ4U4 · pith_short_16: IJK37EWNZ4U46BH3 · pith_short_8: IJK37EWN

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/IJK37EWNZ4U46BH3EW5K3ZMHSF \
  | 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: 4255bf92cdcf29cf04fb25baade5879144189b8ea12707d854ba62d8368af5af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81f19896def5f39b3df1ea5b409dd6ab2c5549f34755be7153dd4d2cf4606e40",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-09-20T22:02:08Z",
    "title_canon_sha256": "5da46170d62b472b5f75c88a13e66044368c09ac5df42b07e83d9823f0172db5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5922",
    "kind": "arxiv",
    "version": 1
  }
}