Pith Number

pith:4P5ASM57

pith:2017:4P5ASM57KPHDV6XEUOIQQIEHNM

not attested not anchored not stored refs pending

Maximal arcs and extended cyclic codes

Cunsheng Ding, Stefaan De Winter, Vladimir D. Tonchev

arxiv:1712.00137 v1 · 2017-12-01 · 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{4P5ASM57KPHDV6XEUOIQQIEHNM}

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	2026-05-18T00:29:07.202927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3fa0933bf53ce3afae4a3910820876b1a45baf81908745b151eaf82ffaffa09

Aliases

arxiv: 1712.00137 · arxiv_version: 1712.00137v1 · doi: 10.48550/arxiv.1712.00137 · pith_short_12: 4P5ASM57KPHD · pith_short_16: 4P5ASM57KPHDV6XE · pith_short_8: 4P5ASM57

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/4P5ASM57KPHDV6XEUOIQQIEHNM \
  | 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: e3fa0933bf53ce3afae4a3910820876b1a45baf81908745b151eaf82ffaffa09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fb694c2f57dee6bf8da3420cb21227ec9049701e2687677fac514915a90239d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-12-01T00:35:41Z",
    "title_canon_sha256": "a86a937d11b7fd454e8ba8942a5df4f59b553ec5a399fd75480d6b592bfa69c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00137",
    "kind": "arxiv",
    "version": 1
  }
}