Pith Number

pith:OLYH7TNU

pith:2018:OLYH7TNULBMPCT5KDKJ6HDBEHW

not attested not anchored not stored refs pending

Incidence structures near configurations of type $(n_3)$

Kaoruko Iwasaki, Peter Dukes

arxiv:1801.10326 v2 · 2018-01-31 · 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{OLYH7TNULBMPCT5KDKJ6HDBEHW}

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	2026-05-18T00:17:32.829663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72f07fcdb45858f14faa1a93e38c243d8e7a1c54a0160d3e41f43aae9d88f49d

Aliases

arxiv: 1801.10326 · arxiv_version: 1801.10326v2 · doi: 10.48550/arxiv.1801.10326 · pith_short_12: OLYH7TNULBMP · pith_short_16: OLYH7TNULBMPCT5K · pith_short_8: OLYH7TNU

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/OLYH7TNULBMPCT5KDKJ6HDBEHW \
  | 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: 72f07fcdb45858f14faa1a93e38c243d8e7a1c54a0160d3e41f43aae9d88f49d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a01e5a796b70816fc7d335c57abd3ad81575eaac25f951b6af0565302e4abee8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-01-31T07:45:41Z",
    "title_canon_sha256": "85639aa39266cd0dd7175d4b90238255a2cb558112399e67e582c5bc0ae043bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10326",
    "kind": "arxiv",
    "version": 2
  }
}