Pith Number

pith:RXEYAYFW

pith:2018:RXEYAYFWH7FPNJH7HI736XDHTH

not attested not anchored not stored refs pending

Solving a Conjecture on Identification in Hamming Graphs

Tero Laihonen, Tuomo Lehtil\"a, Ville Junnila

arxiv:1805.01693 v1 · 2018-05-04 · 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{RXEYAYFWH7FPNJH7HI736XDHTH}

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	2026-05-18T00:16:47.038932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dc98060b63fcaf6a4ff3a3fbf5c6799f5ccec10f3bbf8ce4f432bb2a872cf92

Aliases

arxiv: 1805.01693 · arxiv_version: 1805.01693v1 · doi: 10.48550/arxiv.1805.01693 · pith_short_12: RXEYAYFWH7FP · pith_short_16: RXEYAYFWH7FPNJH7 · pith_short_8: RXEYAYFW

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/RXEYAYFWH7FPNJH7HI736XDHTH \
  | 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: 8dc98060b63fcaf6a4ff3a3fbf5c6799f5ccec10f3bbf8ce4f432bb2a872cf92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f06fd27791f108a9439fa199b96375df9741e740b877a42ea706b58f94caf38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-05-04T10:02:06Z",
    "title_canon_sha256": "117f5150b32f36fc4107ef36c17d27f1cc56dd757b4b278d61a0bafb843882a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01693",
    "kind": "arxiv",
    "version": 1
  }
}