Pith Number

pith:A3ZRBOL2

pith:2016:A3ZRBOL23MLD3MTJI2QM4RG3D6

not attested not anchored not stored refs pending

Existence and Non-Existence Results for Strong External Difference Families

Maura B. Paterson, Sophie Huczynska

arxiv:1611.05652 v1 · 2016-11-17 · 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{A3ZRBOL23MLD3MTJI2QM4RG3D6}

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	2026-05-18T00:58:02.977205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06f310b97adb163db26946a0ce44db1fbbf7f8f401f86497eee9a2d4cf0ccd5d

Aliases

arxiv: 1611.05652 · arxiv_version: 1611.05652v1 · doi: 10.48550/arxiv.1611.05652 · pith_short_12: A3ZRBOL23MLD · pith_short_16: A3ZRBOL23MLD3MTJ · pith_short_8: A3ZRBOL2

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/A3ZRBOL23MLD3MTJI2QM4RG3D6 \
  | 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: 06f310b97adb163db26946a0ce44db1fbbf7f8f401f86497eee9a2d4cf0ccd5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "879eb82a643ce7d7685dbfd5fc6728c92a0ea705ed3a4da0debe87cdc2f2e2d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-11-17T12:24:39Z",
    "title_canon_sha256": "21785d4654c05e0b8767c880af7315e1963acc5465dc37f7374176044e34a9d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.05652",
    "kind": "arxiv",
    "version": 1
  }
}