Pith Number

pith:E5XJS6QJ

pith:2017:E5XJS6QJB3EQB2LITJWKB4UK7B

not attested not anchored not stored refs pending

Counting Steiner triple systems with classical parameters and prescribed rank

Dieter Jungnickel, Vladimir D. Tonchev

arxiv:1709.06044 v2 · 2017-09-18 · 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{E5XJS6QJB3EQB2LITJWKB4UK7B}

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	2026-05-18T00:08:55.109634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

276e997a090ec900e9689a6ca0f28af86855236ef19414f1446bb75951de1c55

Aliases

arxiv: 1709.06044 · arxiv_version: 1709.06044v2 · doi: 10.48550/arxiv.1709.06044 · pith_short_12: E5XJS6QJB3EQ · pith_short_16: E5XJS6QJB3EQB2LI · pith_short_8: E5XJS6QJ

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/E5XJS6QJB3EQB2LITJWKB4UK7B \
  | 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: 276e997a090ec900e9689a6ca0f28af86855236ef19414f1446bb75951de1c55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97c3793c56e3acffd20b4dff428a1cd01e103f316b1bb453022d0d6a805e3de0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-09-18T17:00:26Z",
    "title_canon_sha256": "04687a7c3132103c451301e58709535a1e96fda3d4f5c6fce238ef631349be1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06044",
    "kind": "arxiv",
    "version": 2
  }
}