Pith Number

pith:UWZR26SD

pith:2024:UWZR26SDT7Z6TAPJAYUKJI2MJV

not attested not anchored not stored refs pending

On eventually greedy best underapproximations by Egyptian fractions

Vjekoslav Kova\v{c}

arxiv:2406.07218 v3 · 2024-06-11 · math.NT · math.CA · 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{UWZR26SDT7Z6TAPJAYUKJI2MJV}

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	2026-07-05T09:39:07.158978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5b31d7a439ff3e981e90628a4a34c4d68f568463bf2d45d16c1fb5578b4a8d9

Aliases

arxiv: 2406.07218 · arxiv_version: 2406.07218v3 · doi: 10.48550/arxiv.2406.07218 · pith_short_12: UWZR26SDT7Z6 · pith_short_16: UWZR26SDT7Z6TAPJ · pith_short_8: UWZR26SD

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/UWZR26SDT7Z6TAPJAYUKJI2MJV \
  | 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: a5b31d7a439ff3e981e90628a4a34c4d68f568463bf2d45d16c1fb5578b4a8d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8af93da51121fdacbb15a4dd4a31da33325091f21793423779e28b7d7d6219b",
    "cross_cats_sorted": [
      "math.CA",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2024-06-11T12:53:57Z",
    "title_canon_sha256": "61a228556d104aad78193f68490fbe04d24a3ca11fac84af3b3d26566afd816a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.07218",
    "kind": "arxiv",
    "version": 3
  }
}