Pith Number

pith:S4FET7Y6

pith:2019:S4FET7Y6AQEK365RXZY4BFKBAF

not attested not anchored not stored refs pending

On almost k-covers of hypercubes

Alexander Clifton, Hao Huang

arxiv:1904.12885 v2 · 2019-04-29 · 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{S4FET7Y6AQEK365RXZY4BFKBAF}

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	2026-05-17T23:42:41.744365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

970a49ff1e0408adfbb1be71c095410168b762ebefd485e2fc0333139dd9a8ad

Aliases

arxiv: 1904.12885 · arxiv_version: 1904.12885v2 · doi: 10.48550/arxiv.1904.12885 · pith_short_12: S4FET7Y6AQEK · pith_short_16: S4FET7Y6AQEK365R · pith_short_8: S4FET7Y6

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/S4FET7Y6AQEK365RXZY4BFKBAF \
  | 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: 970a49ff1e0408adfbb1be71c095410168b762ebefd485e2fc0333139dd9a8ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be7df7afc46c8c23177f5a03261989923bdd24c23a5d3e3c6a3bc900ae7deb6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-04-29T18:06:21Z",
    "title_canon_sha256": "4a2efc431b43154d7380c118660efaa026a3632952b8867ae40b7722bd1542f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12885",
    "kind": "arxiv",
    "version": 2
  }
}