Pith Number

pith:2I4OZMHH

pith:2014:2I4OZMHH4UEALJCLHR3L5S3LGJ

not attested not anchored not stored refs pending

A note on the no-three-in-line problem on a torus

Aleksander Misiak, Alicja Szymaszkiewicz, Lucjan Szymaszkiewicz, Maciej Zwierzchowski, Zofia St\c{e}pie\'n

arxiv:1406.6713 v4 · 2014-06-25 · 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{2I4OZMHH4UEALJCLHR3L5S3LGJ}

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	2026-05-18T01:34:25.728360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d238ecb0e7e50805a44b3c76becb6b32734e0782952035536f664f030256a3eb

Aliases

arxiv: 1406.6713 · arxiv_version: 1406.6713v4 · doi: 10.48550/arxiv.1406.6713 · pith_short_12: 2I4OZMHH4UEA · pith_short_16: 2I4OZMHH4UEALJCL · pith_short_8: 2I4OZMHH

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/2I4OZMHH4UEALJCLHR3L5S3LGJ \
  | 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: d238ecb0e7e50805a44b3c76becb6b32734e0782952035536f664f030256a3eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f214072458b4bda9e28abf0756be82290785af1dc877165d158d0254b067bfd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-25T20:39:38Z",
    "title_canon_sha256": "9c54232d854b9dae16dd2bda383b50ad5b96d81dbf33b538e1e0a08da9c71bcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6713",
    "kind": "arxiv",
    "version": 4
  }
}