Pith Number

pith:EQOE6NQV

pith:2024:EQOE6NQV3TMTD3JDIBVSCUEJI5

not attested not anchored not stored refs pending

Steiner systems S(2,6,121/126), S(2,7,169) based on difference families

Ivan Hetman

arxiv:2401.08274 v5 · 2024-01-16 · math.CO · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQOE6NQV3TMTD3JDIBVSCUEJI5}

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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

1 paper in Pith

Enumerations of 1-rotational Steiner systems

Receipt and verification

First computed	2026-07-05T10:46:36.043032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

241c4f3615dcd931ed23406b215089476f026516d39cfcffd1100a08d6c54d13

Aliases

arxiv: 2401.08274 · arxiv_version: 2401.08274v5 · doi: 10.48550/arxiv.2401.08274 · pith_short_12: EQOE6NQV3TMT · pith_short_16: EQOE6NQV3TMTD3JD · pith_short_8: EQOE6NQV

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/EQOE6NQV3TMTD3JDIBVSCUEJI5 \
  | 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: 241c4f3615dcd931ed23406b215089476f026516d39cfcffd1100a08d6c54d13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff4b9c5bdb3a919150a8e4939ff0f661839248a1cdca2e3fbeb1d753e55da47a",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2024-01-16T10:54:33Z",
    "title_canon_sha256": "a9f943d168b649cea67e04f77aa57b41baa797c03104636455b4d8755ba805aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.08274",
    "kind": "arxiv",
    "version": 5
  }
}