Pith Number

pith:NV3DXG2F

pith:2019:NV3DXG2FON7EQK3ZBQSOCILXLN

not attested not anchored not stored refs pending

Block-avoiding sequencings of points in Steiner triple systems

Donald L. Kreher, Douglas R. Stinson

arxiv:1901.06754 v2 · 2019-01-21 · 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{NV3DXG2FON7EQK3ZBQSOCILXLN}

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	2026-05-17T23:54:02.169666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d763b9b45737e482b790c24e121775b704bd911edae141188ef0c0264f74d94

Aliases

arxiv: 1901.06754 · arxiv_version: 1901.06754v2 · doi: 10.48550/arxiv.1901.06754 · pith_short_12: NV3DXG2FON7E · pith_short_16: NV3DXG2FON7EQK3Z · pith_short_8: NV3DXG2F

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/NV3DXG2FON7EQK3ZBQSOCILXLN \
  | 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: 6d763b9b45737e482b790c24e121775b704bd911edae141188ef0c0264f74d94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7188bb2bfe3c4bb51ef33e5b9c3ef4fbe1d097f5b745e608b114a052720484b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-01-21T00:29:27Z",
    "title_canon_sha256": "b920f278353e822c7a552bc469cf1aa663f2616fa59bf829bc67aa006954a025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06754",
    "kind": "arxiv",
    "version": 2
  }
}